Sika Boom 121-Insulation Spray Foam 27oz - 775g

Enhance your home's energy efficiency and comfort with Sika Boom -121 Insulation.INSULATION SOLUTION: Sika Boom -121 Insulation is a high-quality expanding foam sealant designed for heat and sound insulation. STRAY INCLUDED: User-friendly design and application straw make Sika Boom -121 Insulation easy to use, suitable for both professionals and DIYers. GAP FILLER: Expanding formula expands to fill voids and gaps, providing an airtight seal and enhancing energy efficiency. VERSATILE USE: Ideal for insulating large gaps in Rim joists, Roofs, Attics, Basements, Walls and Interfloor overlapping in a variety of substrates, including Concrete, Wood and Metal. QUICK CURING: Rapid-curing formula dries quickly, allowing for fast and efficient application. YIELD: Up to 3 ft² with 1in thickness for one layer when applied from a distance of

• 40 cm.

1 inch layer offer R-5.66 Insulation factor.