1. Asphalts Asphalt is a material refined from crude oil and used in road construction and roofing application as well as a wide range of specialty products

2. Adhered roofing systems from Sika Roofing provide an aesthetically-pleasing roofing application that delivers superior, watertight protection — this protection is the result of time tested membranes, hot-air welded seams and a wide variety of system configurations to match the unique needs of individual building designs.