Top 10 Best sealing 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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Loctite

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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Expands To Fill: Loctite Tite Foam Gaps & Cracks fills, seals, and insulates effectively around gaps and cracks up to 1 inch in size
•Premium Durability: Polymer foam based on purified and concentrated ingredients withstands harsh UV rays for long-lasting results
•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

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$6.98

$8.99

-22%

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STANLEY

Stanley F993 Expanding Foam Sealant Spray – (2x12oz) Gaps & Cracks Filler, PestBlocker for Indoor/Outdoor Use – Paintable, Waterproof, Polyurethane Insulation Foam with Straw Applicator | 2 Pack

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Powerful and Long-Lasting Seal: Strengthen your home’s defenses with Stanley Block Spray Foam, a high-expansion formula that seals gaps and cracks from 1" to 3". Ideal for use around doors, windows, pipes, and wall openings to create a secure and protected environment.
•Total Coverage for Entry Points: This versatile foam expands to fill cavities, joints, and structural gaps, helping block unwanted air and environmental elements from entering. An excellent choice for use in garages, attics, crawl spaces, and basements.
•Strong Adhesion Across Surfaces: Bonds firmly to wood, concrete, drywall, and more—delivering tight insulation with durable sealing. Ideal for reducing drafts and improving energy efficiency in both residential and commercial settings.
•Weather-Resistant and Durable: Cures into a rigid, waterproof barrier that stands up to sunlight and changing temperatures. Meets fire class B3 standards for added peace of mind and long-term performance.
•Clean, Paintable Finish: Designed for smooth application and clean results—this foam is odor-free, easy to trim, and fully paintable once cured, making it ideal for exposed areas and final touches.

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$19.49

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Storystore

Storystore Foam Insulation Tape Self Adhesive, 1/2In x 1/4In x 33Ft Weather Stripping for Doors and Windows, Sound Proof Soundproofing Door Seal, Weatherstrip, Air Conditioning Seal Strip

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Foam Insulation Tape: The foam seal tape is made from Neoprene, which has excellent sealing and resistance to deformation feature, toxic free, stripping door can be used from -50 ℃ to 150 ℃
•High Density Foam Tape: Air-tight sealing, sound proofing, heat insulation, weather proofing, oil resistance, corrosion resistance, dust proofing, shock absorption, buffering, sealing, flame retardancy, anti-skidding and insulation
•Closed Cell Foam Strip: Weather stripping features adjustability and flexibility. The Neoprene sponge foam tape can be easily customized and cut to the desired size using scissors or a blade, and it can also bend effortlessly to conform to various shapes
•Wide Range of Applications: The adhesive foam strips are widely used in various door seal and window insulation, furniture, electrical cabinets, cars, speakers, toys, handicrafts, sports equipments, etc
•Strong Adhesive: Foam Weather Seal Strip is designed for both industrial and commercial use. We used a high quality, ultra-strong adhesive backing that ensures this insulation foam tape stays in place indefinitely once applied

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$8.99

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Red Devil

Red Devil 0909 Spray Foam, Fill Large Gaps & Cracks Expanding Insulation Polyurethane Foam Sealant, 12 Oz, Off White

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•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
•SOLVENT CLEAN UP: Requires the use of a solvent for cleanup
•12 oz aerosol great for smaller jobs
•Seals bonds and insulates
•Fills large and small holes in ceilings floorboards concrete and cinder block walls
•Seals around ducts cables plumbing areas and central heating pipes
•This item is not for sale in Catalina Island

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$7.19

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Thermwell

THERMWELL Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 2-1/4 by 42-Inch

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•For Weather-Stripping Around Window Air Conditioners
•Resilient, Compressible Strip For Sealing Out Air, Insects & Dust
•Open Cell Foam Tape

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$4.10

$5.99

-32%

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GORILLA

Gorilla Spray Foam Sealant, Light Gray Color, 12 Ounce (Pack of 2) - Multi-Purpose Expanding Foam, Polyurethane Spray, Fills Gaps & Cracks

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Multi-purpose formula: This polyurethane sealant is an ideal foam insulation and gap filler of up to 1 inch voids or cracks
•Fast dry: Gorilla insulation foam dries fast and is trimmable in 45 minutes, sealing out air, moisture, pests, and insects quickly
•No warping/bowing formula: Our spray insulation meets AAMA 812-19, meaning no warping or bowing
•No shrinkage: When cured, our spray foam insulation maintains its integrity even in extreme temperature swings
•Use on: Our polyurethane foam is ideal for wood, metal, glass, masonry, plumbing, HVAC, electrical**, basements, crawlspaces, attics, ceilings, skylights, and more.

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$17.68

$22.99

-23%

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KRAKEN BOND

Kraken Bond Gaps & Cracks Expanding Foam Sealant - (2x12oz) High Expansion Polyurethane Spray Foam for Window & Door, Straw Use Waterproof High Yield Gap Filler - 2 Pack

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•EASY TO DISPENSE: Kraken Bond Spray Foam Insulation features a single-component, moisture-curing, and self-expanding aerosol polyurethane foam. Designed for easy dispensing through the straw adapter included with each can.
•SAFETY & QUALITY ASSURED – Kraken Bond expanding foam sealant is UL certified, meeting strict safety and performance standards for ultimate reliability.
•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.
•VERSATILE USE: Perfect for filling window and door frames, large gaps, joints, cavities, electrical outlets, water pipes, and wall penetrations. A dependable solution for multiple applications.
•SAFE AND EFFECTIVE: Recommended for use with Kraken Bond Spray Foam Cleaner (sold separately). Ensure safety by wearing protective gloves, safety glasses, and protective clothing during application.

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$14.95

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DAP

DAP Wall and Cavity Foam with Wide Spray Applicator Aerosol, Off White, 20 oz. (7565000370)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Use foam insulation sprayer to fill, air seal, and insulate stud wall cavities, rim joists, crawlspaces, attics and basements on homes and buildings
•Closed cell spray foam formula keeps moisture out of structures and is Class A Fire Rated to meet building codes; interior use on a variety of materials: including wood, masonry, metals, drywall
•Foam dries tack free in 7 to 12 minutes and fully cures in 4 hours (depending on foam thickness, temperature/humidity)
•Patent pending technology provides spray similar to a two-component product in an easy one part system; Wide spray applicator with responsive flow control trigger and a consistent wide-angle pattern
•Enhances R-Value of structures, seals out air and provides thermal insulation savings year round; saves energy and up to 30% on energy costs - meets ASTM C518 Aged R-Value of 4.1 at 1" (25mm)

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$26.53

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Great Stuff

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

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•THE GAP AND CRACK ATTACKER! Reduce drafts and save energy
•THE GAP AND CRACK ATTACKER! Reduce drafts and save energy
•No drips, less mess - foam stops where you stop
•Reusable for up to 30 days - use again and again
•Precise, greater control

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$8.18

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