MTS Filler Foam 750ml Aerosol Can (12-Pack)

MTS Filler Foam is a professional-grade polyurethane expanding foam aerosol designed for sealing gaps, cracks, and voids in building envelopes and electrical installations. Each 750ml can delivers rapid expansion and excellent adhesion to most surfaces, curing to a rigid foam that can be trimmed, sanded, and painted. Ideal for electricians, builders, and facilities managers requiring fast, reliable gap-filling for thermal and acoustic insulation.