Celling repairing work in vallam Rvs waterproofing construction chemicals Application chemicals supplier distributor SikaShield® P35 MG IN 3 mm is an APP modified bituminous waterproofing membrane with a thickness of 3 mm. It is reinforced with a non-woven polyester fabric and is flexible at -5 °C. The top surface is coated with mineral granules, which allows the permanent exposure to UV radiation.