Top 10 Best black expanding foam in 2026

Last Updated - 6/29/2026

🏆Best Choice

Loctite

Loctite Tite Foam Big Gaps Spray Foam Sealant, 12 fl oz Can, 1 Pack - Polyurethane Expanding Insulation

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Expands To Fill: Loctite Tite Foam Big Gaps fills, seals, and insulates effectively around gaps and cracks up to 3 inches in size
•High Density Foam: Offers high density with a uniform cell structure for durability and overall insulation for your remodeling needs
•Superior Flexibility: Withstands building and material movement without compromising its seal
•Strong Adhesion: Sealant bonds to most building materials like wood, concrete, brick, stone, metal, pvc, and more
•UV Resistance: Withstands harsh UV rays for long lasting results

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$7.98

$9.99

-20%

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CALPALMY

Moldable Cosplay Foam Clay (Black) – High Density and Hiqh Quality for Intricate Designs | Air Dries to Perfection for Cutting with a Knife or Rotary Tool, Sanding or Shaping

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Create Works of Art: Shape and mold this high-density clay into any design your mind can envision! It holds any crevice, notch, knot or shape you mold into it! Fills silicon molds easily!
•Dries with Precision and Reliability: Let your work air dry for 48 hours then marvel at your artistic endeavors! It will display all of the fine details you worked so hard to create! Note: may need additional drying time for thicker projects.
•Design for Cosplaying Characters, Costumes and Crafts: Get creative! If you can mold it, you can create it with our fantastic moldable foam clay!
•Adheres Great: Use an adhesive agent (not included) to easily attach this foam to itself or other surface types, such as other foams, wood, tile, fabric, ceramic and so much more! A little contact cement or super glue is all you need!
•Professional Strength: Even if you’re working to create costumes or props for plays or movie sets, you can depend on this fantastic foam clay to outlast any other types of moldable foam!

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$12.99

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Great Stuff

Great Stuff 99112876 Smart Dispenser Multipurpose Black, 12 Oz.

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Multipurpose black foam for interior/exterior use
•Comes with NEW SMART DISPENSER Straw
•Reusable for up to 30 days - use again and again
•Precise, greater control, no drips and less mess
•Fills, seals and insulates gaps up to 3/4"
•Allows cured foam to hide well and not be noticeable in shadows
•Adheres well to stone, eliminating the need for a caulk adhesive (depending on the project)

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$10.98

$12.99

-15%

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KRAKEN BOND

Kraken Bond Black Spray Waterfall Foam Sealant - (2x12oz) Expanding Polyurethane Pond Foam Sealer Black, UV Resistant Insulating Spray for Landscape & Exterior, Straw Use, 2 Pack

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•UNIQUE BLACK FOAM SOLUTION: Specialized black expanding foam designed for discreet and aesthetic filling in waterfall and landscape settings. Seamlessly blends into the environment, providing a professional and natural finish.
•ALL-SEASON PERFORMANCE: Features black spray foam insulation that remains effective even in low temperatures. Perfect for year-round applications, particularly in cold climates, ensuring reliable performance.
•OPTIMAL TEMPERATURE GUIDANCE FOR BEST RESULTS: Achieve peak performance by ensuring the can is at an optimal temperature of 68°F before use. Application is effective in a range of 41°F to 86°F, allowing for flexibility in varying weather conditions. For cold climates, let the can acclimate to room temperature to maintain top-notch results without any compromise in product quality or performance.
•AQUATIC AND WILDLIFE SAFETY: Environmentally friendly and non-toxic, making it safe for aquatic life and wildlife. Ideal for use in sensitive environments where safety is a top priority.
•VERSATILE AND DURABLE APPLICATION: Suitable for a wide range of uses, from pond spray foam in water landscapes to foam adhesive spray for insulation in automotive and marine settings. Offers strong bonding, water resistance, and UV protection.

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$18.99

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SPRAYMAN

Sprayman Black Waterfall Foam Sealant - (2x12oz) Expanding Polyurethane Pond Foam Sealer, UV Resistant, Water Proof Spray for Landscape & Exterior, Straw Use, 2 Pack

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•SPECIALIZED BLACK FOAM FOR LANDSCAPE & WATER FEATURES – Formulated in black to visually blend into rocks, waterfalls, and outdoor landscaping for a clean, natural look.
•STRAW APPLICATOR FOR EASY HANDHELD USE – No gun needed! Convenient straw application makes this foam ideal for quick fixes and DIY projects in landscaping, ponds, and more.
•RELIABLE PERFORMANCE IN ALL SEASONS – Performs efficiently in cold and variable temperatures, with an application range from 21°F to 86°F (-6°C to +30°C). Store can at room temperature for best expansion.
•UV RESISTANT FOR LONG-LASTING RESULTS – Built-in resistance to sunlight, water, and mildew makes it perfect for outdoor use around water features and garden structures.
•MULTI-PURPOSE USAGE – Ideal for ponds, pools, waterfalls, RVs, boats, garden rock gaps, and insulation jobs. Bonds well to stone, concrete, wood, and metal.

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$19.99

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Great Stuff

GREAT STUFF Pond & Stone Gap Filler | Insulating Foam Sealant, 12 oz. Can – Black

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•POND & STONE GAP FILLER. This black colored closed-cell polyurethane foam sealant bonds to porous and nonporous rocks or stones without the use of mortar. Expanding up to 1", create a long-lasting, airtight and water-resistant seal for outdoor projects.
•STRAW-APPLIED. 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.
•SPRAY ANYWHERE. Specifically designed to blend in and withstand moist conditions, use on retaining walls, water features, landscaping and more. Bonds without mortar and can be applied to damp and dry surfaces. Lasts for years in wet conditions.
•NATURAL LANDSCAPING. Designed to blend with stones and shadows, this black-colored, waterproof expanding foam helps direct water over, not under, rocks. Create a water-shedding bond safe for ornamental fish and plants.
•SAME–DAY RESULTS. Get your projects done right the first time with expanding foam from GREAT STUFF. Cures in 8 hours. Mist with water to speed cure. Trim, sand, stain and paint for a truly GREAT finish to your DIY projects.

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$24.17

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DAP

DAP Landscape Exterior Filler-Adhesive Foam, Black, 12 oz (7565040440)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Black landscape foam offers superior adhesion, fills gaps and voids providing superior adhesion for landscaping projects
•Bonds quickly to porous or non-porous rock, stone, cement, wood and cloth - ideal for replacing loose mortar in rock walls
•Foam dries in less than 30 minutes and fully cures in 4 hours (depending on foam thickness, temperature/humidity)
•Weatherproof, waterproof formula works for a variety of projects and may be used to direct water flow in a pond and is safe to use around fish and plants
•Black color foam is UV resistant and will not fade even in direct sunlight
•Touch ‘n Foam Landscape Exterior Filler Adhesive 12 ounce
•Black foam blends into shadows
•Easier and less expensive than mortar; ideal for repairing rock walls and ponds
•Superior adhesion; bonds with rock, stone, wood and most pond materials
•This item is not for sale in Catalina Island

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$11.55

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HANDI-FOAM

HANDIFOAM Black Gun Foam SEALANT 24 OZ

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•HandiFoam Black is ideally suited for areas where product appearance could be a factor such as landscaping, pond and waterfall design or vehicle undercarriages.

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$9.99

$13.18

-24%

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STANLEY

STANLEY F903P Black Spray Foam Pro – 2x24 oz, Expanding Foam Sealant for RV, Automotive & Landscaping, Waterproof, UV Resistant, Strong Adhesion, Gun Use – Gun & Cleaner NOT Included | 24oz, 2 Pack

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Transformative Adhesive Foam: Stanley Waterfall & Landscape Professional Black Foam is a revolutionary adhesive foam that rapidly changes from a foam form to a gel adhesive in seconds, ensuring quick and reliable bonding.
•Fast-Curing, One-Component Solution: This adhesive foam is a one-component, fast-curing formula, making it exceptionally easy to use during construction projects.
•Interior and Exterior Use: Suitable for both interior and exterior applications, providing a durable solution for various projects. Ideal for bonding a variety of construction elements such as brick, aerated block, stone, natural stone, and more.
•Secure and Permanent: Achieve fixed, permanent positioning of stone or concrete products in water feature and pond projects with confidence.
•Economical and Lightweight: An economical, practical, and lightweight alternative that won't burden your building with unnecessary weight.
•Optimized for Low Temperatures: Can be applied in temperatures from 10 F° to 86 F°, with the best results at 68 F°. Designed for use in colder environments as low as 10 F°.
•UL Certified Safety: This product is UL certified, meeting the highest standards of safety and quality. Designed for your peace of mind.

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$35.99

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M-D Building Products

M-D Building Products 03115 1-1/2 in. Black Expandable Foam Platinum™ Weatherseal for Uneven Gaps

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Expandable open cell foam window seal ensures a tailored fit as it fills gaps gradually
•Versatile sealant for window seal and weatherstripping requirements
•8 ft. L x 1-1/2 in. W x 1-1/2 in. H
•Black color
•Simple peel-and-stick application for easy installation
•Prevents heat or air conditioning loss for substantial energy savings and a watertight seal when compressed by 80%

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$15.45

$23.93

-35%

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