Polyurethane Expanding Foam Filler 750ml

This 750ml polyurethane expanding foam filler is designed for sealing gaps, cracks, and voids in construction, electrical installations, and general building applications. The foam expands to fill cavities completely and hardens to a rigid, durable finish that can be trimmed and sanded flush with surrounding surfaces. Ideal for electricians, builders, and maintenance professionals requiring quick, reliable gap-filling solutions.