... gas insulation, filling up the structural vacancy, work hole and other various crack and gap. It is a perfect sealing ... and filling joint project.Product purposelSealing the gap: door frame, window frame, roof of the house, external wall joint, binding ... in sealant, filling of gap .lFelt: ceilings, decorative panels, door felting.lSeal: the pipe periphery and The insulation protection of wiring ...