Top 10 Best foam sealant in 2026

Last Updated - 6/29/2026

🏆Best Choice

Alabrocon

Steel Wool Mice Control, 2 Pack 3" x10 Ft Hole Filler, Gap Blocker, Barrier, Protect Against Animals in Holes Holes, Siding, Pipeline, Vents for Garden, House, Garage

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【Keep The Mice Away.】: Mice and all sorts of small animals will enter your home through holes of any shape and size. Steel wool can clog up drains, cracks in walls, ventilation holes, etc. in the house. To create a barrier that pests are unable or unwilling to go through. Effectively prevents mice from entering.
•【Widely Use】: Steel wool can be used for indoor and outdoor filling. Such as holes or crevices in brick walls, around plumbing pipes air conditioning units, windows, vents, siding, garage, kitchen, attic and more. Effectively deter rodents, insects and other pests from entering homes or office buildings.
•【Flexibility of Use】: The steel wool can be cut with scissors to the corresponding size according to the size of the hole to be filled, and filled into the hole. Take care to wear the gloves provided when cutting to avoid cuts from the steel wool.
•【High Quality Material】: Steel wool is made of thousands of high-quality metal fibers, similar to wool, which is thick and strong and can be flexibly bent to every corner. Non-corrosive material ensures durable and reliable performance, that small creature cannot chew through the steel fibers, But air can still pass through.
•【Package and Note】: Two separate 10 foot long pieces of steel wool, a pair of gloves. Note: Please inspect the steel wool parts regularly and replace damaged steel wool. Please keep steel wool away from pets and children to avoid being cut by steel wool.

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$9.99

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Tomcat

Tomcat Repellents Rodent Repellent Ready-to-Use, For Indoor and Outdoor Mouse and Rat Prevention with Peppermint, Cinnamon and Garlic Essential Oils, 1 gal.

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Tomcat Repellents Rodent Repellent Ready-to-Use prevents rodent entry, nesting, and foraging both indoors and outdoors
•Our rodent repellent is formulated with an essential oil blend of garlic, peppermint and cinnamon oils that deliver a smell and taste that deter mice and rats with a no-stink formula safe for use around kids and pets (when used as directed)
•This rat and mouse repellent is rain-resistant and long-lasting with an application that should be repeated every 30 days
•Repel mice and rats by spraying at potential entry points around your home, including around doors, windows, cracks and crevices, pipes, and vents
•This 1 gal. ready-to-use indoor and outdoor rodent repellent spray covers approximately 2,550 sq. ft. with an easy application via a battery operated Comfort Wand

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$24.96

$32.49

-23%

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Loctite

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

9.5

ChoiceComparer.com Score

9.5

/ 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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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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$10.39

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Tomcat

Tomcat Rodent Block Expanding Foam Barrier, Fills Gaps to Keep Mice From Entering the Home, 12 oz.

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Tomcat Rodent Block Expanding Foam Barrier fills gaps and cracks to block mice from coming inside your home
•Our spray foam is the pesticide-free way to create a rodent barrier
•This expanding foam provides a long-lasting, airtight, and water-resistant bond to most building materials
•Spray in crevices inside and outside your house, including the garage, attic, basement, and foundation
•Tomcat Rodent Block Expanding Foam Barrier can be trimmed, sanded, and painted if desired

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$9.97

$12.99

-23%

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PAMAZY

Rodent Barrier Kit, 3PCS Steel Wool Included PU Foam Hole Filler, 3.2"x7.5’ Steel Wool for Mice Control, Rodent Control Fill Fabric, Gloves, Scissors, Gap Blocker in Hole Pipeline Vent in House Garage

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•[Ultimate Rodent Control Solution] Say goodbye to low-quality steel wool that breaks apart and causes a mess. Our product combines premium steel wool with a powerful foam sealant to create a durable, reliable barrier against rodents and other annoying aminals. This long-lasting solution ensures your home remains critter-free, giving you peace of mind knowing you’re protected from unwanted guests all year long.
•[High-Quality Steel Wool Fiber] Crafted from high-quality metallic fibers, our steel wool is thick, fluffy, and flexible, easily shaping to fit any gap or crack, providing long-term protection. Plus, with tight-wound fine structure, it is hard for rodents to chew through it, making it a strong and reliable barrier that ensures your home stays secure from rats and rodents for a long time.
•[Perfect Combination with Spray Foam] Our rodent control kit includes a spray polyurethane (PU) foam with excellent adhesion and insulation that effectively fills even large holes and gaps, ensuring a complete seal. This foam expands to cover entry points. It will be combined with inner steel wool for medium to large holes, making a super strong barrier that provides long-lasting protection against critters.
•[Simple & Versatile Installation] This steel wool is easy to cut to any desired size with the included scissors, allowing you to fill gaps and holes of all shapes. The foam sealant is simple to use—just shake the can for 30 seconds and spray it into smaller holes. For larger gaps, fill the entry points with steel wool first, then apply the foam outside for a more complete, secure seal.
•[Complete Rodent Barrier Kit—Keep Your Space Safe] This steel wool and foam sealant kit is perfect for blocking entry points around your home, including in garages, kitchens, attics, basements, windows, around pipes, and more. It also works for polishing surfaces and removing stains like paint and dirt, making it a versatile tool for both mice & rodent control and cleaning tasks throughout your home. PACKAGING: 3x Steel Wool (3.2"x7.5 FT), 1x Spray Foam (350ml), 1x Gloves, 1x Scissors

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$23.99

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DAP

DAP Touch 'n Foam Mouse Shield Foam Sealant & Blocker, Off White, 12 Oz (7565012506)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•For Interior & Exterior, Pest Blocker Air-Seals & Insulates
•EPA Registered Pesticide That Protects The Foam From Attack By Mice & Other Pests Such As Birds, Tree Squirrels, Blocks Ants, Roaches, Spiders & Bees
•Use To Seal Gaps & Cracks Inside Your Garage

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$12.78

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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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SPRAYMAN

Pest Block Spray Foam - (1x12oz) 100% Odor-Free! Mouse - Rodent Repellent & Hardens Strong Polyurethane Mouse Blocker Foam Sealant Use Wall Foam Filler for Holes and Cracks, Over Paintable- 1 Pack

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•ODOR-FREE & HIGH-PERFORMANCE EXPANDING FOAM: Our upgraded spray foam insulation formula is completely odorless, making it ideal for smart home applications. Expands quickly to seal gaps and cracks, acting as a gap filler and concrete crack filler to create a secure barrier.
•DURABLE, LONG-LASTING INSULATION: Once dried, this polyurethane foam sealant hardens into a weather-resistant shield, perfect for spray foam insulation kits, insulating foam spray, and caulking sealant applications. Ideal for sealing gaps in walls, windows, and doors.
•EASY-TO-APPLY WITH PRECISION NOZZLE: Designed for DIY home improvement, this spray insulation foam in a can provides mess-free application with its clog-resistant nozzle. Works as a foam spray insulation and caulking sealant for smooth, controlled coverage.
•COMPATIBLE WITH REINFORCEMENT MATERIALS: Works best with additional protective barriers like steel mesh or foam blocks to enhance sealing performance. This expanding foam spray ensures a strong, airtight seal for long-term efficiency.
•FAST-DRYING & EXTENDED SHELF LIFE: Our foam sealant gap filler dries quickly and can be trimmed for a clean finish. The advanced formulation prevents foam drying inside the can, ensuring consistent performance every time.

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$11.99

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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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