Timco B3 expanding PU foam (750ml, gun grade) for thermal/acoustic insulation - fills gaps and provides temporary fixes for windows & doors.
The Timco B3 General Purpose Fill & Fix Expanding Foam is a high-quality, polyurethane-based sealing solution that offers excellent thermal and acoustic insulation properties. Expanding up to 30 times its original volume, this foam is quick-drying and can be easily sawn, sanded, or painted once fully cured, making it a versatile choice for various applications.
Designed for both interior and exterior use, this gun-grade foam is ideal for filling irregular or awkward gaps where expansion is required to prevent heat loss and sound transmission. It can also serve as a temporary fix before installing mechanical anchors around windows and door frames.
Key Features:
Free standard shipping on U.S. mainland orders. Express shipping options and international shipping available at checkout.
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