8+ Best Expandable Foam Weather Seal Tapes & Kits

expandable foam weather seal

8+ Best Expandable Foam Weather Seal Tapes & Kits

This type of sealant is a single-component polyurethane product that expands upon application to fill gaps and cracks, creating an airtight and water-resistant barrier. A common example is its use around window and door frames to prevent drafts and energy loss.

Effective sealing against the elements contributes significantly to energy efficiency in buildings by reducing air leakage. This leads to lower heating and cooling costs and a smaller carbon footprint. Furthermore, a properly sealed building envelope protects against moisture intrusion, which can lead to structural damage, mold growth, and other costly repairs. The development of these sealants has revolutionized building practices, offering a simple yet highly effective solution for improving building performance and occupant comfort.

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