APP Waterproofing Membrane application & Characteristics
APP uses polyester reinforcement or fiberglass reinforcement as the original source, and APP, APAO, as the modifier, and covers the insulation materials as polyethylene, sands, or gravels. A.P.P. Atactic polypropylene elastomeric type modified membrane is a specially formulated bituminous compound of modified distilled asphalt with selected high-grade visco-elastic polymer and reinforced with the high-quality non-woven polyester conductor. An APP Waterproofing Membrane is coated with either a sanded or talc top surface finish, while the bottom surface is embossed and protected by a heat-sensitive polythene film. This type of finish for the lower surface has been chosen for two specific purposes. General-purpose APP waterproofing membrane designed and manufactured for the specific requirements of roofing contractors. The elastomeric modified bitumen polymer (BPP) which is used gives excellent flexibility and workability on any roof. The carrier is a non-woven reinforced polyester ...