This strongly expanding, flame-resistant foam filler is suitable for spray-on application and is used for rapid filling of cavities, consolidation, sealing, stopping of water intrusions and cavity stabilisation.
WilkitFoam F, Comp. A is a modified water glass, and component B is a modified isocyanate. After mixing the resin starts producing carbon dioxide gas and water vapour within a few seconds, thus forming a light-weight foam.
In free-rise foaming, the surface has a brittle touch in the beginning (“sanding off”), but after some hours, the foam becomes semi elastic throughout.