Highpower Multi-Purpose Expandable PU Foam Insulation Sealant

• Polyurethane (PU) expanding foam aerosol sealant for insulation and sealing. • Ideal for thermal insulation, soundproofing, and sealing gaps around door/window frames, pipes, and wall cavities. • Features an extension straw for precise application. • Requires upright storage when not in use. • Suitable for DIY and professional construction projects. • Provides a durable, airtight seal once cured. • Can be trimmed or sanded after curing for a finished look.