mounting foam - polyurethane foam sealant. the foam consists of 2 main components, methylene diphenyl diisocyanate and

architecture break build building chink cleft concrete conservation construction crack cranny daub efficiency efficient extruded fill finish fissure flaw foam foaming fracture gap house industrial installation insulated insulation joint material mounting parget pargeting plaster plastering polyurethane pu renewal renovation repair rift seal slit split spray stucco wall weathered work