Everbuild ThermoFoam (750ml, Gun Grade) is a high-performance, one-component polyurethane expanding foam with enhanced thermal insulation properties, designed for sealing and insulating gaps, voids, and penetrations in walls, floors, and roofs. The gun-grade formulation delivers precise, controlled application with minimal overspray, making it ideal for professional use on energy efficiency and insulation projects.

Suitable for use around window and door frames, loft hatches, pipe penetrations, and any area where both an airtight seal and improved thermal performance are required. Once cured, it can be trimmed, plastered, or painted.

• Size: 750ml
• Application: Gun grade — requires professional foam gun
• Cure type: Moisture-curing polyurethane
• Key property: Enhanced thermal insulation
• Suitable for: Window frames, door frames, loft hatches, pipe penetrations, insulation gaps
• Properties: Expanding, thermally insulating, airtight, trimmable when cured

Also available: Everbuild Ever Foam Gun Cleaner 500ml. Browse the full Sika Everbuild range.