All-season PU adhesive foam with very low expansion. Tec7 Foam Tack 750ml is the best choice for mounting and bonding PIR insulation boards where speed, strength and insulating capacity are important. Tec7 Foam Tack guarantees good adhesion to all building materials, with excellent thermal and acoustic insulation capacity. One 750ml can is sufficient for bonding 8 to 10m² of PIR insulation boards.