Gorilla MS Expanding Foam is the first ”isocyanate free” expanding foam in the world! It is great for filling cavities, mounting and sealing of windows and doorframes, creation of a soundproof screen.
Gorilla MS Foam utilizes a moisture-curing system and performs best on moderately wet, porous surfaces (wood, concrete, stone). On non-porous surfaces, the best performance is achieved when the surface is almost dry.
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