The best grill covers for flat top griddles are the ones that shed water off a low, wide steel cooktop instead of sagging into a puddle over it, and that stay anchored in wind without needing four separate fasteners. We spent six weeks comparing ten covers across the 22, 28, 36 and 46 inch classes, checking stated fabric weight, closure systems, ventilation and how each one handles the fit problem that catches almost everyone out: a 36 inch griddle is not one size, it is four.
Start with the problem, because a cover is not the obvious win it sounds like. A flat top griddle has a wide, nearly horizontal carbon steel cooking surface with no dome to run water off, so a soft cover stretched across it creates a shallow bowl. Rain lands, the fabric sags, water collects in the middle directly over the seasoning, and the cover you bought to prevent rust becomes the thing that causes it. That single failure mode separates the covers in this roundup more than price or brand does.
A note on terminology first, since it comes up constantly in the forums: a griddle and a flat top are the same appliance. Flat top describes the cooking surface, griddle describes the appliance. There is no separate category of grill to buy a cover for, and any listing that says flat top grill cover means the cover for a griddle.
Our picks below are organised by griddle configuration rather than by cooktop width, because that is how covers actually fit. We weighted four things: whether water runs off rather than pools, whether the closure system holds in an exposed location, whether the fabric matches the climate, and whether the manufacturer states clearly which models it does not fit. We did not lab-test these covers in a rain tunnel. Instead we validated each one against published dimensions, stated compatibility lists and the volume of verified owner feedback, because a cover cannot meaningfully be lab-tested for a four-season outdoor life anyway.
Table of Contents
Top 3 Picks for Flat Top Griddle Covers (October 2026)
These three cover the most common ownership situations: an OEM-matched cover for a 36 inch griddle with a side shelf, a wider aftermarket cover for exposed or high-wind decks, and a 28 inch cover for single-shelf griddles.
Blackstone 36 inch Griddle…
- 600D water-resistant polyester
- Poly-resin buckle clips under the base
- Form-fitted to the 36 inch griddle with shelf
NettyPro 36 inch Griddle Cover
- Widest 36 inch envelope at 67 x 27 x 32 in
- PU-coated and fully seam-taped
- Wide front vent plus four bottom buckles
Unicook 28 inch Single…
- Center support prop stops standing water
- Vinyl-lined polyester with sealed seams
- Hook-and-loop side cinches apply in seconds
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The Best Grill Covers for Flat Top Griddles at a Glance in 2026
Every cover below, with the griddle size class it is built for and the single feature that decides whether it works on your setup.
| Product | Key Features | |
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Blackstone 36 inch Griddle Cover
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Check Latest Price |
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NettyPro 36 inch Flat Top Cover
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Check Latest Price |
 Utheer 600D Weber Slate Cover
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Check Latest Price |
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Unicook 28 inch Single Shelf Cover
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Check Latest Price |
 iCOVER 36 inch Griddle Cover
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Check Latest Price |
 KINGLY 1000D Heavy Duty Cover
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Check Latest Price |
 SHINESTAR 36 inch Griddle Cover
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Check Latest Price |
 Turtle Life 46 inch Flat Top Cover
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Check Latest Price |
 SunPatio 60 inch Pro Series Cover
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Check Latest Price |
 Guisong 68 inch Royal Gourmet Cover
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Check Latest Price |
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1. Blackstone 36 Inch Griddle Cover – Best Overall for Factory-Matched Fit
Blackstone® 36 inch Griddle Cover
- 600D water-resistant polyester
- Double-layered canvas with reinforced stitching
- Poly-resin buckle clips under the griddle base
Pros
- Highest owner satisfaction here at 4.8 stars
- Factory-matched fit for the 36 inch griddle with shelf
- Buckle closure anchors under the base in wind
- Double-layered fabric resists tearing and cracking
- Hose or wipe clean
Cons
- Exclusively fits the 36 inch griddle with shelf and the Tailgater
- Will not stretch to other brands or sizes
- Higher cost than the budget covers in this roundup
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If you own the 36 inch Blackstone griddle with a side shelf attached, this is the cover the manufacturer built for it, and the fit is the reason to buy it. The 600D polyester is water-resistant rather than sealed, and the double-layered canvas construction with reinforced stitching is what stops the corners from cracking after a couple of seasons.
Owners on r/blackstonegriddle describe it as well made, durable and completely waterproof in practice, and it holds the highest owner satisfaction rating of anything we covered. The one-star share is 1 percent, which is close to unheard of for an outdoor accessory.
The closure detail is the part most aftermarket covers skip: a poly-resin buckle that clips under the griddle base rather than a strap that ties around it. Because it anchors underneath, wind cannot get a grip on the skirt, which is why this cover stays put on an exposed deck where lighter covers flap off and land in the neighbour’s yard.
There is a genuine trade-off. This is an exclusive fit, so it will not cover a 28 inch griddle, a 22 inch portable or a different brand at all, and it costs roughly double the price of the entry-level covers here. Owners on forums who have replaced worn OEM covers with it treat it as a long-term fix rather than a seasonal purchase.
Who this cover suits
It suits the largest single ownership group in this category: a 36 inch Blackstone with a side shelf, kept outdoors year-round. The form-fitted black profile also looks intentional on a patio in a way that a baggy universal cover does not.
What to watch for it
Measure before ordering if your griddle is not the 36 inch model with shelf. The fit is deliberately narrow by design, so a loose guess here ends with a returned package. Owners replace theirs every few seasons at most rather than annually.
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2. NettyPro 36 Inch Flat Top Grill Cover – Best for Exposed Decks and Heavy Rain
NettyPro Griddle Cover for Blackstone 36 inch Griddle, Waterproof UV Resistant 4 Burner Flat Top Gas Grill Cover 36″ Cooking Station, Black
- Fits griddles up to 67 x 27 x 32 in
- PU-coated fabric with fully taped seams
- Wide front vent, two side straps and four bottom buckles
Pros
- Widest 36 inch envelope in this roundup at 67 x 27 x 32 in
- Seam-taped PU coating for genuine waterproofing
- Front vent reduces condensation under the cover
- Four bottom buckles hold firm in high wind
- Colour options beyond black
- including brown and beige
Cons
- A five-year owner reports noticeable fading and small holes
- Some fits require removing side bars
- No storage bag included
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This is the cover to shortlist if your griddle lives somewhere exposed. Its envelope of 67 by 27 by 32 inches is the largest among the 36 inch covers we compared, which gives it the tolerance to swallow taller carts, side shelves in the up position and air fryer style griddle attachments that narrower covers simply miss.
The construction is the more interesting story. Rather than a coated fabric alone, it uses a high-density UV-resistant fabric with a PU coating and fully taped seams, so the usual leak path, needle holes along the stitching, is closed off. Owners report a completely dry griddle after the first substantial rain, including in hilly, windy locations.
Two adjustable side straps and four bottom buckles give it the most robust anchoring system in the group. Buckles rather than hook-and-loop matters in exposed locations, where the repeated open-and-close cycle of a velcro strap is what eventually lets a cover go. Reviewers single this out repeatedly as the best thought-out fastening system in the category.
The wide covered front vent is the quiet feature. It lets trapped moisture escape rather than condensing under the cover overnight, which is a common cause of the musty smell owners complain about with cheaper covers. It also keeps the fabric from billowing in a gust.
Who this cover suits
It suits owners in rainy, coastal or high-wind locations, and anyone whose griddle has grown attachments that push past the stock footprint. The brown and beige colourways also solve the problem of a black cover that looks like a tarp on a nicely built deck.
What to watch for it
One long-term owner reports significant fading and two small holes after five years, calling the fade resistance overstated, so treat the UV claim as good but not permanent. A few buyers also needed to remove side bars to get a true fit, so measure the full station rather than just the cart.
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3. Utheer 600D Cover for Weber Slate Griddles – Most Compact for Sun and Fade
Utheer 600D Grill Cover for Weber Slate 28″ Rust-Resistant Griddle 3401060
- Cover size 61.4 x 35.4 x 25.6 in
- 600D waterproof oxford with PVC liner
- Passed SGS 1100-hour UV exposure testing
Pros
- Only cover here with documented UV exposure testing
- Dual fastening with hook-and-loop straps and a drawstring
- Handles at the top make removal easier
- Model-specific variants for many griddles and smokers
Cons
- Sizing details on the listing can be confusing
- Highest cost in this roundup
- One owner expects to repurchase every two years
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If your griddle is a Weber Slate rather than a Blackstone, the aftermarket cover market is thinner and this is the strongest option in our set. It is cut for the Weber Slate 28 inch griddles, models 1501345 and 1501479, and also listed for the 36 inch 1501006 and the 28 inch 1501005, with dozens of other model-specific variants in the same range.
The differentiator is testing rather than marketing language. The fabric is 600D fade-resistant waterproof polyester oxford with an extra PVC liner, and it passed SGS UV exposure testing at 1100 hours with a grey scale rating of 4 to 5. That is the only documented UV test result among the ten covers we looked at, and it matters most in hot, bright climates where fabric failure is the reason covers get replaced.
Fastening is dual: hook-and-loop side straps combined with a bottom elastic drawstring. Owners like that this cover is more pliable than a factory cover, which is the difference between putting it on after every cook and leaving it off because it is a chore. Several mention the top handles as the reason removal is quick on a wet surface.
Reinforced stitching thickens the fabric at the stress points, which is where cheaper covers tear first. The same owners who praise that report long-term life as the weak point, with one buyer planning on an annual replacement rather than trusting a multi-year service life.
Who this cover suits
It suits Weber Slate owners and anyone in a high-UV climate who wants a documented fade rating rather than a printed claim. It is also the pick for a smoker or secondary cooking station if you want model-specific sizing rather than a universal guess.
What to watch for it
Check the two different dimension sets carefully, because the listed item size and the stated cover size are not the same measurement and mixing them up causes a return. It is also the most expensive cover in this roundup, which only makes sense if you plan to keep it for seasons.
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4. Unicook 28 Inch Griddle Cover – Best Value for Single-Shelf Griddles
Unicook Griddle Cover for Blackstone 22″ 28″ Single Shelf Griddle
- 28 inch size measures 45 x 23 x 25 in
- Polyester with waterproof vinyl lining
- Hot melt seam sealing tape on the seams
Pros
- Center support prop stops standing water over the cooktop
- Vinyl lining and hot melt seam tape for waterproofing
- Hook-and-loop cinches apply and release in seconds
- Handles for fitting
- removal and storage
- Owners report it survives hail
- high wind and Texas heat
Cons
- Not compatible with Blackstone 28 inch ProSeries or counter-height models 1856 and 1924
- Velcro straps can tear off after a couple of years
- Not machine washable
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This is the cover that solves the water pooling problem rather than ignoring it. The odd-looking prop at the centre of the cover holds the fabric up off the cooktop, so rainwater runs to the edges instead of sitting in a shallow bowl directly over the seasoning. In a category where almost every competing cover is a flat sheet, that is a real design decision.
It is also the most common upgrade path owners describe, because a worn OEM 28 inch cover is what most people replace first. Owners bought a second one after the first lasted roughly four years, which is a reasonable service life for an outdoor cover and better than the two-year figure reported by some owners of other covers in this roundup.
Waterproofing comes from a heavy-duty fade-resistant polyester outer with a waterproof vinyl lining, plus hot melt seam sealing tape along the seams. That is a three-layer approach against the same rain that gets through a single coated sheet, and owners in wet climates report a dry griddle the morning after storms.
The hook-and-loop side cinches hug the griddle and go on in seconds, which is the difference between a cover you actually use and one that ends up folded in the garage. Handles at the top let you lift it off one-handed and hang it to dry.
Who this cover suits
It suits 28 inch single-shelf griddles, including NEXGRILL and similar sizes, especially on patios where the griddle is covered after nearly every cook. The support prop makes it the better choice on a griddle with no hood, where pooling is most likely.
What to watch for it
It does not fit the Blackstone 28 inch ProSeries or the counter-height 1856 and 1924 models, which is the single most common fit mistake with 28 inch covers. The velcro straps can also let go after a couple of seasons, and it needs hose cleaning rather than a washing machine.
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5. iCOVER 36 Inch Griddle Cover – Most Versatile with the Broadest Compatibility List
iCOVER 36 inch Griddle Cover for Blackstone, Waterproof Flat Top Grill Cover, Fits Camp Chef, Blackstone 1528 & 4 Burner Griddle
- Sized 65 x 22.5 x 26 in for hoodless four-burner griddles
- Oxford polyester with water-resistant PVC coating
- Side buckle straps plus bottom drawstring
Pros
- Lowest-cost 36 inch cover that still uses PVC-coated oxford
- Side buckles and a bottom drawstring hold it in wind
- Double-reinforced corners resist tearing at the table elbows
- Water-repellent finish makes hose-down cleaning easy
- Lists a wide range of compatible griddle models
Cons
- Does not fit the Blackstone 36 inch ProSeries
- Lowest average rating in this roundup
- Owners report the fabric eventually thins
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This is the highest-volume listing in the grill cover category, and the reason is straightforward: it fits a lot of griddles for very little money. The stated compatibility list covers Blackstone 1554, 1560, 1565, 1825, 1836 and 1868, the 1819 charcoal combo, Camp Chef FTG600 and Weber 44310401, which is most hoodless four-burner flat tops you are likely to own.
The fabric is oxford polyester with a water-resistant PVC coating, plus a UV-resistant outer vinyl coating and double-reinforced corners. Those corners matter more than they sound, because the sharp elbow of the griddle table is exactly where a cover tears first when it is being dragged across a patio or stuffed into position.
Fit is secured with buckle straps on both sides plus a bottom drawstring closure, which is the correct pairing for an exposed location and better than a single tie. A water-repellent finish means maintenance is a hose-down rather than a scrub, and the cover folds small enough to be practical to put back on several nights a week.
Buyers credit an exact fit on 36 inch hoodless griddles, strong wind security from the straps and drawstring, and effective rain and snow protection. The recurring criticism is durability over multiple years, and the exclusion of the 36 inch ProSeries model.
Who this cover suits
It suits first-time griddle owners on a budget, and anyone whose griddle brand is not one of the big names, since the compatibility list is broader than most. It is a sensible first cover to buy before deciding you need something more.
What to watch for it
The 4.4 star average is the lowest here, with a 5 percent one-star share, and long-term owners describe the fabric thinning over a few seasons. It also will not cover the 36 inch ProSeries, so confirm your model number first.
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6. KINGLY 1000D Heavy Duty Cover – Best for Tear Resistance
1000D Heavy Duty Griddle Cover for Blackstone 36″ Griddle,100% Waterproof
- Measures 67 x 23 x 26 in
- 1000D Oxford fabric with sealed double-stitched seams
- UPF 50+ fabric with two side air vents
Pros
- Heaviest fabric in this roundup at 1000D
- Sealed double-stitched seam tape for full waterproofing
- UPF 50+ UV protection fabric
- Lowest cost of the ten covers compared
- Side handles and two air vents
Cons
- Only 23 inches deep
- narrower than the NettyPro 36 inch option
- Excludes ProSeries
- rangetop
- air fryer
- cabinet
- hood and Culinary variants
- Fewer reviews than most picks
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Denier is only one specification rather than the deciding factor, but when a cover claims 1000D Oxford fabric, roughly twice as strong as the 420D and 600D material most competitors use, that is a meaningful difference in puncture and abrasion resistance. It is the heaviest weave in this group and the most likely to survive contact with a cart, a dog or a sharp shelf edge.
Waterproofing is specified at both layers, with sealed double-stitched seam tape closing the usual leak path. The fabric is rated UPF 50+, blocking 99.99 percent of harmful UV rays, and there are two side air vents that reduce condensation and stop the cover ballooning in a gust, which is what pulls a loose cover off a griddle in the first place.
Adjustable side straps have been lengthened and widened, with additional bottom straps for wind security, and side handles make it quick to fit, remove, hang and store. Owners highlight the fabric weight and tear resistance for the money as the main reason to buy it, along with sealed seams that keep water out and vents that keep the cover flat.
It is fitted for Blackstone 36 inch griddles, Camp Chef 600, Royal Gourmet four-burner and similar four-burner griddles. The 23 inch depth is the constraint to note, because it is the shallowest of the 36 inch covers here.
Who this cover suits
It suits griddles in busy or rough conditions, around children or pets, and anyone who has watched a lighter cover tear at a corner. The vents and sealed seams make it a good all-rounder for mixed weather.
What to watch for it
At 23 inches deep and 26 inches high it will not clear the ProSeries, rangetop, air fryer, cabinet, hood or Culinary variants, so it is a hoodless-and-low cover only. The review base is also the second smallest in the roundup, so long-term durability data is thinner.
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7. SHINESTAR 36 Inch Griddle Cover – Best for Harsh Sun Exposure
SHINESTAR Griddle Cover for Blackstone 36 Inch Griddle Without Hood, Heavy Duty Waterproof Flat Top Gas Grill Cover with Click-Close Straps, UV-Resistant BBQ Cover for More 4-Burner Griddle
- Measures 66.5 x 22.5 x 26 in
- Tear-resistant polyester with reinforced stitching
- Inner silver lining reflects and blocks UV rays
Pros
- Silver UV-reflective inner lining most competitors lack
- Click-close bottom straps lock the cover down in gusts
- Coating and upgraded sewing form a tight seal
- Reinforced stitching holds shape through heat and cold
- Low cost for a 36 inch four-burner fit
Cons
- Does not fit the Blackstone 36 inch ProSeries
- Narrower at 22.5 inches deep than the NettyPro option
- Second smallest review base in this roundup
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The idea here is simple and most competing covers do not do it: a silver inner lining that reflects and blocks UV rays. For a griddle that sits in direct sun on a west-facing deck all afternoon, that is a meaningful difference in how slowly the fabric fades and cracks, which is the most common reason owners end up replacing a cover that is otherwise still watertight.
Waterproofing comes from a coating on the tear-resistant polyester combined with an upgraded sewing technique for a tight seal. Owners report the griddle staying rust-free overnight through heavy rain, and the reinforced stitching helping the cover hold its shape across summer heat and winter cold.
The bottom click-close straps are the fastening detail worth noting. They lock shut rather than tying, so once the cover is on you are not chasing it across the yard after a storm, and there is no loose tail of cord to work loose over a season. It is fitted for Blackstone 36 inch hoodless griddles, Camp Chef FTG600 and Royal Gourmet four-burner flap-top models.
The cover measures 66.5 by 22.5 by 26 inches, which puts it in the narrower band of the 36 inch class. That is fine for a standard four-burner on a cart, and too shallow for anything with a hood or a raised back.
Who this cover suits
It suits griddles in high, direct sun, particularly in southern and southwestern climates where UV damage shortens cover life. The click-close straps also suit anyone tired of retrieving a blown-away cover.
What to watch for it
It is a hoodless, standard-depth cover only, and explicitly not the 36 inch ProSeries. The 22.5 inch depth is among the shallowest here, so measure depth as well as width before ordering.
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8. Turtle Life 46 Inch Flat Top Grill Cover – Best for Smaller Stations
Turtle Life BBQ Grill Cover, 46 Inch Heavy Duty Waterproof Barbecue Gas Grill Covers for Flat Top Griddle, Anti-Fading Cover for Gas Grill, Black
- Measures 47 x 24 x 39 in
- Heavy-duty Oxford fabric with upgraded PVC coating
- Storage bag, air vent hole and base rope anchors
Pros
- Only cover in this roundup that includes a storage bag
- Air vent hole stops moisture collecting underneath
- Rope
- eyelets and bottom stoppers for wind anchoring
- Owners report it intact after a full year of Colorado weather
- Handles make fitting and removal straightforward
Cons
- Fabric is thin
- with one report of a tear after 18 months
- Fit is not guaranteed on very large grills without measuring
- Lowest BSR alongside the smaller picks
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This one covers a different slot in the market: smaller stations. At 47 by 24 by 39 inches it fits most two and three burner flat top griddles and gas grills up to 44 inches wide, including Weber, Blackstone and Char-Broil models, which makes it a realistic option for a 22 inch tabletop griddle on a stand or a compact two-burner unit.
The fabric is heavy-duty Oxford with an upgraded PVC coating, described as waterproof, dustproof, rip resistant and UV resistant. An air vent hole keeps the griddle dry and clean underneath, which is the simplest form of the venting that stops condensation from becoming a rust problem.
Wind anchoring here goes beyond basic straps: rope, eyelets and bottom stoppers at the base give it more holding power than a cover with simple ties, and several owners report it staying in place through major storms on connected velcro straps alone. Handles at the top make fitting and removal simple, and the included storage bag is genuinely useful for someone who takes the cover off every cook.
Most owners call it well made, appropriately heavy and attractive, with the storage bag and vent hole standing out. The recurring weakness is fabric thickness, with reports of thinning and small tears within 18 months to a few years, while a few multi-year owners in harsh sun report it still looking new.
Who this cover suits
It suits owners of a 22 inch portable griddle, a two or three burner unit, or a full-size gas grill that also needs occasional covering. The storage bag makes it the tidier option for a griddle that is uncovered daily.
What to watch for it
The 39 inch height suits lower-profile units and is not a match for a griddle with a hood or a tall cabinet. Thin fabric is the main durability question, so check the stated dimensions against your station before buying.
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9. SunPatio 60 Inch Griddle Cover – Best Fit for the Blackstone 28 Inch Pro Series
SunPatio 60 Inch Griddle Grill Cover for Blackstone 28″ Pro Series, Black
- Measures 60 x 23 x 35 in
- Polyester with vinyl coating and sealed seams
- Fadestop treatment with fastening straps
Pros
- One of very few covers here made for the 28 inch ProSeries
- Cleanest rating distribution with no one or two star reviews
- Sealed seams plus vinyl coating for waterproofing
- Straps secure the cover against wind
Cons
- Sized for 2-burner griddles
- not 36 inch four-burner models
- Narrowest fit selection of the roundup
- Fewer customer reviews than the other picks
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Most 28 inch covers on the market explicitly exclude the Blackstone 28 inch ProSeries, and that is why this one earns its place. The 60 by 23 by 35 inch envelope is cut for the ProSeries and other two-burner flat top griddles of similar size, which leaves a large group of owners without a compatible option in any other cover here.
Construction is polyester with a vinyl coating and sealed seams, plus a Fadestop treatment to limit sun damage and fading, and fastening straps for wind resistance. The 35 inch height is taller than most 28 inch covers, which is what allows it to enclose a ProSeries with its rear shelf structure intact.
What stands out in the review data is consistency rather than volume. Its rating distribution shows 83 percent five-star and zero one-star or two-star reviews, the cleanest spread in the roundup, and owners who have bought it generally report a good fit and effective weather sealing.
Its value is fit coverage, not popularity. It does not attempt the 36 inch four-burner market at all, and its ranking in the category is the lowest of the ten we compared, which reflects a narrow size range rather than weak performance.
Who this cover suits
It suits 28 inch ProSeries owners who have found their aftermarket options exclude their model, and anyone with a two-burner griddle of similar height who wants sealed seams without paying for a universal cover that never quite fits.
What to watch for it
Do not buy it for a 36 inch four-burner griddle, which is what most people in this category own. Measure your station, because the fit is narrow by design, and expect a smaller selection of sizes from this brand if you need a second cover later.
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10. Guisong 68 Inch Cover for Royal Gourmet GD401 – Best for Tall Stations
68 Inch Flat Top Grill Cover for Royal Gourmet GD401 4-Burner 36″ Griddle
- Measures 68 x 23 x 35.8 in
- High-density Oxford fabric with PVC content, waterproof and dustproof
- Two side snaps, buckle straps and a bottom drawstring
Pros
- Tallest profile in this roundup at 35.8 inches
- Snaps
- buckles and a drawstring secure a tall griddle
- Handles make it easy to get on and off
- Wipe-clean maintenance
- Longest length at 68 inches suits 36 inch four-burner carts
Cons
- Listed mainly for the Royal Gourmet GD401 family
- only 1012 reviews
- No ventilation feature listed
- which can trap condensation on a tall cover
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Height is the dimension most covers get wrong, and this one is built for it. At 35.8 inches tall and 68 inches long, it encloses a Royal Gourmet GD401 four-burner propane griddle comfortably, along with the GD402 and GD403 variants and the Blackstone 1554, which makes it one of the more accommodating envelopes in the group for a tall, high-back 36 inch station.
The fabric is high-density Oxford with PVC content, described as waterproof and dustproof and wear resistant. It wipes clean with a damp cloth and needs no laundering, which suits a cover that lives outside on a cart.
Security uses three points at once: two side snaps, adjustable buckle straps and a bottom drawstring. That combination is well matched to a tall covered griddle, where a single low strap would leave a lot of fabric free to act like a sail. Two handles make fitting and removal straightforward even with the snaps done up.
It is the cover with the widest rating spread in the roundup, at 75 percent five-star and a 3 percent one-star share, so fit and durability are more variable here than with the higher-rated covers. That is worth weighing against the roomy dimensions if your station is unusual.
Who this cover suits
It suits Royal Gourmet GD401 family owners, and anyone with a tall 36 inch four-burner griddle whose height defeats the 26 inch covers that dominate the market. The extra headroom also helps if you store things on the rear shelf.
What to watch for it
No ventilation feature is listed, and on a cover this tall that is a real drawback because condensation has more volume to collect. With a 1,012 review base it also has the least owner history here, so treat longevity as unproven.
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How to Measure Your Griddle for a Cover
Fit is the biggest source of returns and disappointment in this category, and it is not a size-label problem. A 36 inch griddle is a 36 inch cooktop; the cover has to clear the hood, the side shelves, the cart, the rear burner shelf and anything you have added. Measure these five things in the configuration you actually plan to store the griddle in.
1. Width across the full station, including side shelves in their stored position. A shelf folded down changes the footprint completely, and a cover bought for the down position can be far too short when the shelf is up. Decide first, then measure.
2. Depth of the unit, not the depth of the cart legs. The 22.5 inch covers here suit a standard four-burner, while a 23 inch depth and a 27 inch depth are meaningfully different envelopes. Measure from the front of the griddle body to the back of the rear shelf or control panel.
3. Height from the ground to the highest point, including a hood. Anything over about 26 inches tall needs a tall cover: the SunPatio at 35 inches or the Guisong at 35.8 inches. Standard hoodless four-burners sit closer to 26 inches.
4. Model number, and the ProSeries question. The ProSeries, rangetop, air-fryer, cabinet, hood and Culinary variants have different shapes from the standard models. Six of the ten covers here explicitly exclude the 36 inch ProSeries, and two exclude the 28 inch ProSeries, so this single check prevents most returns.
5. Add a few inches in every direction. Covers that fit exactly are hard to put on and easy to tear. A cover that is slightly generous drapes and pulls down under its own straps, which is what stops water finding a way in at the hem.
Match your configuration to the right cover class
22 inch tabletop or portable griddle: look for a compact cover in the 46 to 47 inch class, such as the Turtle Life, or a model-specific cover. A 36 inch cover will drape to the ground and collect mud. For a 22 inch griddle on a stand, measure the stand, not just the griddle.
28 inch single-shelf griddle: the Unicook at 45 by 23 by 25 inches is the standard fit. Skip it entirely if you own a ProSeries, a counter-height 1856 or 1924, in which case the SunPatio is the option here.
36 inch hoodless four-burner: this is the largest group, and the covers here span 22.5 to 27 inches deep and 26 to 32 inches high. The iCOVER, KINGLY and SHINESTAR suit a standard cart, while the NettyPro and Blackstone covers fit taller carts and attachments.
36 inch with a hood, hard cover or attachments: only covers with real height and depth will work. Look at the 32 inch NettyPro or the 35.8 inch Guisong, and measure with the hood closed.
Material and Denier: What Actually Matters
The best material for an outdoor grill cover is a coated polyester oxford, either 600D with a PVC or PU coating, or 1000D where the fabric will take abuse. Vinyl-coated and PU-coated polyesters shed water well, resist UV and stay flexible, where cheap untreated nylon fades, stretches and fails at the seams first.
Treat denier as one specification rather than the deciding factor. 600D is the industry standard and is genuinely durable. 1000D, as on the KINGLY cover, adds real tear and abrasion resistance for roughly double the material strength, which matters on a busy deck but is not a licence to skip fit checks.
Two fabric details outrank weight. Sealed or taped seams matter more than coating thickness, because a coated sheet with stitched needle holes leaks through those holes. And fade resistance matters more than most buyers expect, since a faded cover usually fails at the fabric a year or two after it stops looking new.
Water-Resistant vs Waterproof: Why Sealed Shells Backfire
The counterintuitive point: a fully sealed, non-breathable cover can cause more rust than no cover at all. Water that gets past the fabric, or that condenses from overnight temperature swings, has nowhere to evaporate, so it sits on the seasoned steel surface until the next cook. A water-resistant cover with a vent lets that moisture out.
This is why the best covers in this roundup pair a coated fabric with a deliberate vent. The NettyPro has a wide covered front vent, the KINGLY has two side vents, the Turtle Life has an air vent hole. On a griddle with a support prop or a hard cover beneath, water never reaches the fabric and the argument becomes academic, but on a hoodless griddle the vent is doing real work.
Best of all is layering. Forum consensus strongly favours a hard cover or hood first, then the soft cover on top, and owners running both report no puddling at all because the hard cover sheds water off the soft one rather than the soft cover doing the work alone.
Wind Security, Venting and Condensation
For an exposed deck, look for buckles plus a bottom strap or drawstring, and ideally a middle under-grill strap. Buckles outperform hook-and-loop in sustained wind because they do not fatigue from repeated open-and-close cycles, which is the failure mode that eventually lets a cover sail away. Only the Turtle Life adds rope and eyelets at the base for a similar reason.
For venting, one or two covered vents are enough. Their job is to release condensation and to stop the cover ballooning, because a puffed cover catches wind like a sail even when the straps are tight. Covers with no listed vent, such as the Guisong, are worth treating cautiously on a tall station where condensation has room to build.
OEM vs Aftermarket Covers
An OEM cover is guaranteed to fit the model it was designed for, and it is usually the strongest choice when your griddle is a mainstream configuration. The Blackstone cover in this roundup has the highest owner satisfaction rating of the ten and a one-star share of 1 percent. Its limitation is scope: it fits one configuration and nothing else.
Aftermarket covers win on construction quality and on coverage of awkward models. The aftermarket options here offer taped seams, vents, 1000D fabric and documented UV testing that most OEM covers do not claim, and they are the only source of a cover for a 28 inch ProSeries or a tall high-back station. The forum complaint that OEM covers fall apart after about two years is not unusual, and the practical response is to buy the OEM cover for fit and keep a soft cover over it for winter.
Soft Cover vs Hard Cover vs Silicone Mat
These are three different products, and buyers regularly confuse them. A soft cover is fabric, goes over the whole station, and handles rain, UV, dust and pollen. A hard cover, or hinged hood, is rigid and sits at or above griddle level, shedding water off anything beneath it. A silicone griddle mat lies flat on the cooking surface and does nothing for the body, burners or controls.
Should you put a cover on a Blackstone griddle? Yes if it lives outdoors, and the best approach on a hoodless griddle is a soft cover with a support prop so water runs off, or a hard cover with a soft cover over it for full protection. A silicone mat is a useful extra layer that makes a visible difference against dust and pollen between cooks, but it is not a substitute for exterior protection, and owners who treat it as one end up skipping a cover entirely.
Is a hood better than a hard cover? They solve the same problem in different ways. A hood is better if you cook with the griddle uncovered in bad weather, since it gives you working clearance. A hard cover is better if the griddle is purely seasonal and you want the simplest water shedding with nothing to swing out of the way.
Getting a Covered Griddle Through Winter
A cover is one part of winter protection, not the whole of it. Before covering, scrape and wipe the cooktop dry, empty the grease cup so rainwater has nothing to sit in, and let the griddle cool fully. Covering a warm or damp griddle is the most common route to a rusty surface in spring.
Leave the cover loose enough not to seal tightly, so freeze-thaw cycles can vent rather than trap ice against the steel. In heavy snow areas, check the seams in spring, since snow load and ice are what break stitching. If a cover starts trapping condensation, the right fix is a vent or a lighter layer, not a thicker cover.
Frequently Asked Questions
What is the best cover for a flat top griddle?
The best cover for a flat top griddle is one that sheds water off the low cooktop, stays anchored in wind and vents condensation. A factory-matched 600D polyester cover with an under-base buckle is the strongest all-round choice for a 36 inch griddle with a side shelf. A wider, seam-taped cover with a front vent is better for exposed decks. A cover with a center support prop is better where there is no hood, because it stops water pooling directly over the steel.
How do I know what size grill cover to buy?
Measure the full station, not the cooktop: width across the side shelves in the position you will store them, depth from the front of the griddle body to the back of the rear shelf, and height from the ground to the highest point including a hood. Then check the model number, since ProSeries, rangetop, air fryer, cabinet and hood variants are excluded by many covers. Add a few inches in every direction so the cover drapes rather than fitting exactly.
Should I put a cover on my Blackstone griddle?
Yes, if the griddle lives outdoors. A carbon steel cooking surface rusts when water sits on it, and a sagging soft cover can hold rainwater directly over the seasoning. On a hoodless griddle, choose a cover with a support prop or a peaked shape, or run a hard cover beneath the soft one. Let the griddle cool and dry first, and empty the grease cup, because covering a warm or damp griddle causes the rust the cover was meant to prevent.
What is the best fabric for a grill cover?
A coated polyester oxford is the best fabric for a grill cover, either 600D with a PVC or PU coating, or 1000D where the fabric will take physical abuse. Look for sealed or taped seams, since a coated sheet with unstitched needle holes leaks through the holes. Vinyl-coated polyester sheds water, resists UV and stays flexible in cold weather, while untreated nylon fades and cracks at the seams first.
What is the best waterproof grill cover?
A fully sealed waterproof shell is not the safest choice for a griddle, because it traps condensation against the steel and can cause more rust than leaving the griddle uncovered. The best performing covers pair a coated, seam-taped fabric with a deliberate vent, such as a covered front panel or side air holes. On a griddle with a hood or hard cover beneath, waterproofing matters more because water is shed off the soft cover entirely.
Final Verdict: Which Grill Cover to Buy
The best grill covers for flat top griddles are the ones that solve water, not the ones that merely cover your griddle. Buy the factory-matched Blackstone cover if you own the 36 inch griddle with a shelf and want the highest-rated, most exact fit available. Buy the NettyPro if your deck is exposed, since its wider envelope, taped seams and four bottom buckles handle wind and rain best. Buy the Unicook for a 28 inch single-shelf griddle, because its center support prop is the only direct answer to pooling we found in this group.
Measure your station in the configuration you will actually store it in, check the model number against the compatibility list, and prefer buckles and a vent over velcro in any location the wind can reach. Then dry the cooktop, empty the grease cup, and cover it loose.