Fischer PU S 750 B2 Expanding Foam 750ml – Polyurethane Insulation & Gap Filling Foam Sealant

Fischer PU S 750 B2 Expanding Foam (750ml) is a high-performance polyurethane foam designed for sealing, insulating, and filling gaps in construction and home improvement projects. Ideal for windows, doors, wall cavities, and pipe penetrations, it expands to fill spaces effectively, providing strong adhesion and thermal insulation. Easy to apply with excellent coverage, this foam ensures airtight sealing, reduces energy loss, and improves sound insulation. Suitable for both professional and DIY use.