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Gorilla Waterproof Patch & Seal Paste

Gorilla Waterproof Patch & Seal Paste

3.3· 455 ratings

Best price now

$14.98at Lowe'sObserved at 7:07 PM

36% under what the other stores charge

Compared across 5 stores. Prices are checked against each store and labelled with when.

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Our take on the Gorilla Waterproof Patch & Seal Paste

Gorilla Waterproof Patch & Seal Paste is a rubberized sealant in a 1 lb can, meant for stopping and preventing leaks and filling large gaps, cracks and holes on wood, aluminum, fiberglass, metal and tile. It goes on with a putty knife or trowel, cures in 24 to 48 hours, and is waterproof, mildew resistant, flexible, shrink resistant and paintable. It is an exterior product and needs surface temperatures between 40 and 120°F to apply. The best new price is $14.98 at Lowe's as of November 4, 2026, with 5 stores listing it new.

Best forSealing roof, gutter and flashing leaksFilling large cracks and holes before paintingRepairs on metal, wood, fiberglass and tileOutdoor jobs where a flexible patch is needed
Pros
  • Waterproof and mildew resistant
  • Fills large gaps rather than just hairline cracks
  • Flexible and shrink resistant once cured
  • Can be painted over
  • Works on several common exterior surfaces
Cons
  • Cure time of 24 to 48 hours
  • Cannot be applied below 40°F
  • Paste needs a putty knife or trowel, not a caulk gun
  • Rated only 3.3 out of 5 from 455 ratings

Gorilla Waterproof Patch & Seal Paste prices at every store

  • WalmartNew

    In stockSold by Supply the Home

    $23.59Observed at 7:07 PM
    Visit store
  • MotionNew

    In stock

    $24.54Observed at 7:07 PM
    Visit store
  • ZoroNew

    In stock

    $25.39Observed at 7:07 PM
    Visit store
  • Lowe'sNew

    Availability unknown

    $14.98Observed at 7:07 PM
    Visit store
  • eBayNew

    Availability unknownSold by robb0284 (100% positive, 28 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $17.50Free shippingVerified
    Visit store

Also available at

  • eBayCheck price at eBay
  • Carr HardwareCheck price at Carr Hardware
  • Do it BestCheck price at Do it Best
  • Grainger Industrial SupplyCheck price at Grainger Industrial Supply
  • Grange Co-opCheck price at Grange Co-op
  • True ValueCheck price at True Value
  • WebstaurantStore.comCheck price at WebstaurantStore.com

Gorilla Waterproof Patch & Seal Paste price history

Lowest price we've seen: $14.98 on Nov 5 at Lowe's. Tracked across 11 stores since Nov 5.

What reviewers say

Ratings are mixed at 3.3 out of 5 from 455 ratings. Owners who get a good bond report it seals leaks well, while others report adhesion or curing problems.

Pros
  • Seals leaks when applied to a clean, dry surface
  • Thick paste fills gaps that caulk cannot
  • Holds up outdoors once fully cured
Cons
  • Can fail to adhere on some surfaces
  • Takes a long time to cure
  • Messy to apply without the right tools

Specifications

Form
Paste
Resistance
Waterproof, Mildew resistant
Cure Time
24 to 48 hr
Temperature Resistance
Temperature Resistant
Service Life
Long shelf life
Product Type
Sealant
Chemical Basis
Polymer
Formula
High Strength Formulas
Material
Rubberized sealant paste
Free Of
Non-flammable
Application Location
Exterior
Application Substrate
Wood, Aluminum, Fiberglass, Metal, Tile
Application Use
Stops and prevents leaks
Application Method
Trowel, Putty Knife
Application Temperature Range
40 to 120 deg F
Container Volume
16 oz
Container Type
Can, Tight-seal container
Container Size
1 Pound Can
Adhesion
Clings to multiple surfaces
Coverage
128.52 linear ft
Flexibility
Flexible
Paintability
Yes
Shrinkage
Shrink-resistant

Questions and answers

Is Gorilla Patch & Seal Paste worth it?
It is a reasonable choice for filling large exterior cracks and holes where a flexible, paintable seal is needed. At $14.98 at Lowe's as of November 4, 2026, it costs little to try, but plan for a 24 to 48 hour cure.
How long does it take to cure?
Gorilla lists a cure time of 24 to 48 hours. Keep the area dry and above 40°F during that window for the best bond.
What surfaces can I use it on?
It is made for exterior use on wood, aluminum, fiberglass, metal and tile. Clean and dry the surface first, since adhesion is the most common complaint.
Can I paint over it?
Yes, the paste is paintable. Wait until it is fully cured, then apply exterior paint if you want the patch to blend in.
What temperature can I apply it in?
Apply it when surface and air temperatures are between 40 and 120°F. Below 40°F the paste may not bond or cure properly.
How much does one can cover?
The 1 lb can covers about 128.52 linear feet, depending on gap width and how thick you spread it. Wide or deep holes will use more.
Where is the Gorilla Waterproof Patch & Seal Paste cheapest?
At Lowe's, for $14.98, 36% under what the other stores charge, as of our latest check.
What do buyers say about the Gorilla Waterproof Patch & Seal Paste?
Rated 3.3 out of 5 from 455 ratings.
Where can I buy the Gorilla Waterproof Patch & Seal Paste?
11 stores we checked sell it, including eBay, Lowe's, Motion, Zoro, Walmart.

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