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Great Stuff Big Gap Filler Yellow Insulating Foam Sealant 20 oz

$12.74

In stock

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    Available for MO, AR, KS, OK addresses at checkout

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Great Stuff Big Gap Filler Yellow Insulating Foam Sealant is a high-expansion polyurethane foam designed to seal and insulate large gaps and cracks up to 3 inches wide. It provides excellent airtight and moisture-resistant sealing for interior and exterior applications, helping to improve energy efficiency, block drafts, and prevent pest entry. The foam cures to a durable, yellow-colored finish that is moisture resistant and can be trimmed or painted once fully cured.

Key Features of Great Stuff Big Gap Filler Yellow Insulating Foam Sealant

Designed for filling and sealing large gaps and cracks up to 3 inches wide.
Yellow color helps with visibility during application and inspection.
Expands significantly to provide an airtight, moisture-resistant seal.
Cures to a durable, rigid foam that can be trimmed, sanded, or painted.
Suitable for both interior and exterior use.
Helps improve energy efficiency by reducing air infiltration.
Provides pest and moisture barrier.

Additional Information

Brand: Great Stuff
Product Type: Big Gap Filler Insulating Foam Sealant
Model:
Product Use: Sealing and insulating large cracks, gaps, and voids in walls, around doors and windows, and other building penetrations.
Size: 20 oz
Material: Polyurethane foam
Height:
Length:
Width:

This foam sealant is ideal for filling bigger gaps where standard foam sealants are insufficient. It offers reliable long-term sealing performance and contributes to energy savings by blocking drafts and moisture. The product is easy to apply with the included straw applicator and is intended for use by professionals and DIY homeowners alike.

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