Formed in 1997, Cromar Building Products provide a wide range of flat and pitched roofing products as well as building chemicals, timber treatments, adhesives and sealants. Shop from our wide range of Cromar Building Products which includes PRO GRP, Leadax, Vent 3 breather membranes, fibreglass roofing kits, roofing resin, fire retardant topcoat and much more.