Chemicals used in industry; cement waterproofing chemicals excluding paints; waterproofing chemicals for masonry except paints; concrete-aeration chemicals
ChemicalsConstruction, repair and maintenance of heat insulation systems; building insulating; thermal insulation for buildings; insulating of internal and external walls, ceilings and roofs; installation of insulating materials in buildings, roofs and structures; sealing services; basement waterproofing
Building Construction and Repair