The GREAT STUFF Fireblock 16oz Insulating Foam Expanding Sealant is a high-quality insulation spray designed for both exterior and interior walls. Made of foam and spray foam, this sealant is ideal for insulating various surfaces. With its orange color and expanding properties, it provides a reliable barrier to protect against heat and sound. Perfect for professional use in construction and home improvement projects, this product is a must-have for anyone looking to enhance the energy efficiency of their building. This is NOS.
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