Top 9 Expanding Foam Sealant Waterproof – Industrial Adhesives, Sealants & Lubricants

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1. Red Devil

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Off-White, Pack of 1, Red Devil 0912 Foam & Fill Large Gaps & Cracks Expanding Polyurethane Sealant, 20 oz.

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Red Devil #ad - Solvent clean up: Requires the use of a solvent for cleanup. Fills large holes, gaps & cracks: Ideal for insulating and preventing drafts. Use inside or outside: Can be used anywhere around the home. Sandable, paintable & stainable: Can be sanded, painted or stained after curing. Adheres to: painted and unpainted wood, concrete, cinder block, aluminum & fiberglass.
BrandRed Devil #ad
ManufacturerRed Devil Inc. #ad
Height12 Inches
Length2.5 Inches
Weight0.1 Pounds
Width2.5 Inches
Part Number0912
Model0912

2. Great Stuff

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Each, Black, Great Stuff 283064 12OZ GS Pond&Stone Foam Sealant

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Great Stuff #ad - Same–day results. Create a water-shedding bond safe for ornamental fish and plants. Natural landscaping. Expanding up to 1", create a long-lasting, airtight and water-resistant seal for outdoor projects. Specifically designed to blend in and withstand moist conditions, use on retaining walls, water features, landscaping and more.

Straw-applied. Spray anywhere. Lasts for years in wet conditions. Pond & stone gap filler. Cures in 8 hours. Trim, sand, stain and paint for a truly GREAT finish to your DIY projects. This black colored closed-cell polyurethane foam sealant bonds to porous and nonporous rocks or stones without the use of mortar. Mist with water to speed cure. Bonds without mortar and can be applied to damp and dry surfaces.

Save time on your projects with this simple to use spray foam — the straw applicator makes any project a breeze and helps you deliver the right amount of insulating foam even in hard to reach spaces. Get your projects done right the first time with expanding foam from GREAT STUFF. Designed to blend with stones and shadows, this black-colored, waterproof expanding foam helps direct water over, not under, rocks.
BrandGreat Stuff #ad
ManufacturerGreat Stuff #ad
Height8 Inches
Length2.63 Inches
Weight1 Pounds
Width2.63 Inches
Part Number283064
Model283064

3. Red Devil

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Orange, Pack of 1, Red Devil 0915 Foam & Fill Fire Block Expanding Polyurethane Foam Sealant, 12 oz

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Red Devil #ad - Inhibits the passage of Fire Through Residential Utility Penetrations. Type v residential Firelock. Excellent sealing Against Gas, Smoke and Energy Loss.
BrandRed Devil #ad
ManufacturerRed Devil Inc. #ad
Height8.5 Inches
Length9 Inches
Weight0.1 Pounds
Width11.5 Inches
Part Number0915
Model0915

4. Red Devil

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Pack of 1, 20 oz, Red Devil 0920 Foam & Fill Small Gaps & Cracks Expanding Polyurethane Sealant, Off-White

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Red Devil #ad - Fills small holes, gaps & cracks: Ideal for insulating and preventing drafts. Adheres to: painted and unpainted wood, cinder block, concrete, aluminum & fiberglass. Use inside or outside: Can be used anywhere around the home. Solvent clean up: Requires the use of a solvent for cleanup. Sandable, paintable & stainable: Can be sanded, painted or stained after curing.
BrandRed Devil #ad
ManufacturerRed Devil Inc. #ad
Height12 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part Number0920
Model0920

5. DAP

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12Oz, DAP 7565000043 Touch 'n Foam 4001031212 MaxFill Maximum Expanding Sealant, Tan

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DAP #ad - Triple expansion to fill gaps greater than 1". Interior / exterior use. Weather-resistant bond seals out drafts. Reusable adapter + bonus straw for more projects per can and less waste. Paintable / sandable.
BrandDAP #ad
ManufacturerTouch 'n Foam #ad
Height8.63 Inches
Length2.8 Inches
Weight0.75 Pounds
Width2.8 Inches
Part Number7565000043
Model7565000043
WarrantyManufacturers Warranty Product Defect

6. Loctite

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12-Ounce Can Packaging may vary, Gaps & Cracks, Loctite TITE FOAM Insulating Foam Sealant

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Loctite #ad - Superior flexibility: Withstands building and material movement without compromising its seal. Strong adhesion: sealant bonds to most building materials like wood, pvc, concrete, metal, brick, stone, and more. Straw applicator: For application simply use the attached straw applicator for a quick solution. Expands to fill: loctite tite foam gaps & Cracks fills, seals, and insulates effectively around gaps and cracks up to 1 inches in size. Uv resistance: Withstands harsh UV rays for long lasting results.
BrandLoctite #ad
ManufacturerHenkel Corp #ad
Height7.87 Inches
Length2.56 Inches
Weight0.92 Pounds
Width2.56 Inches
Part Number1988753
Model1988753

7. Gorilla

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White, Pack of 2, 14 Ounces, Gorilla Waterproof Patch & Seal Spray

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Gorilla #ad - Temperature and uv resistant: when dried, gorilla waterproof patch & Seal Spray is temperature and UV resistant resulting in lasting repairs SERVICE TEMPERATURE: -40°F to 160°F.

Use on: roofs, skylights, chimneys*, pvc pipe joints, gutters, Flashing, windows, RVs, DIY Projects and More. Easy to use: the applicator nozzle has a controlled spray pattern providing a clean, even coat; Once applied, the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal. Great for: metal, rubber**, concrete, fabric, Tile, Brick, aluminum, wood, Glass and More. Paintable: works with both latex and oil based paint; When coating with oil based paint, use a primer first before painting. Seals out water, air and moisture: gorilla waterproof Patch and Seal Spray is a flexible, rubberized coating that seals out water, air and moisture to stop and prevent leaks.
BrandGorilla #ad
ManufacturerThe Gorilla Glue Company #ad
Height9.5 Inches
Length5.2 Inches
Weight0.88 Pounds
Width4.2 Inches
Part NumberWhite
ModelWhite

8. Great Stuff

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Cream, 12 Ounce, Great Stuff 99108824 Smart Dispenser Gaps & Cracks

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Great Stuff #ad - Reusable for up to 30 days - use again and again. Adheres to most construction materials. Expands to fill, seal, and insulate gaps up to 1”. It is a simple, cost-effective solution to improve energy efficiency. Helps keep insects, moisture/condensation and allergens out. Comes with new smart dispENSER Straw. No drips, less mess - foam stops where you stop. Tack-free in 5-15 minutes; trims in one hour. The gap and crack attacker! reduce drafts and save energy. Precise, greater control.
BrandGreat Stuff #ad
ManufacturerDow #ad
Height8 Inches
Length3 Inches
Weight0.6 Pounds
Width3 Inches
Part Number99108824
Model99108824

9. Gorilla

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Pack of 1, Gorilla Waterproof Patch & Seal Spray, 16 Ounces, Black

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Gorilla #ad - Use on: roofs, flashing, chimneys*, Gutters, windows, rvs, pvc pipe Joints, Skylights, DIY Projects and More. Seals out water, air and moisture: gorilla Waterproof Patch and Seal Spray is a flexible, rubberized coating that seals out water, air and moisture to stop and prevent leaks.

Easy to use: the applicator nozzle has a controlled spray pattern providing a clean, even coat; Once applied, the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal. Paintable: works with both latex and oil based paint; When coating with oil based paint, use a primer first before painting. Great for: metal, tile, rubber**, Brick, Concrete, Aluminum, fabric, Wood, Glass and More. Temperature and uv resistant: when dried, gorilla waterproof patch & Seal Spray is temperature and UV resistant resulting in lasting repairs SERVICE TEMPERATURE: -40°F to 160°F.
BrandGorilla #ad
ManufacturerThe Gorilla Glue Company #ad
Height9 Inches
Length2.5 Inches
Weight1.3 Pounds
Width2.5 Inches
Part NumberBlack
ModelBlack