ValuWeld® G is an APP membrane with a polyester reinforcement mat with cermaic-coated granules used as a cap, flashing, or base sheet in APP multi-ply roofing systems. It incorporates the features of a non-woven polyester mat with the benefits of an APP modified asphalt.

Industrial Roofing Systems Manual for APP Flashing Specifications and Details. APP details will begin with the prefix “WFE.” 2.0 Membrane Substrate 2.1 The surface on which the APP modified bitumen roofing mem-brane is to be applied should be one of the following JM products: DuraBoard, JM APP Base Sheet, Ventsulation Felt, DuraFoam,

DIBITEN® is a superior APP modified bitumen membrane reinforced with a high-quality nonwoven polyester mat and is one of the finest heat weld applied modified bitumen membranes ever produced not only for residential roofing but for commercial and industrial roofing as well.

DIBITEN is a superior APP modified bitumen membrane reinforced with a high-quality nonwoven polyester mat and is one of the finest heat weld applied modified bitumen membranes ever produced not only for residential roofing but for commercial and industrial roofing as well.

APPeX® 4.5M is a cap or flashing sheet with ceramic-coated roofing granules that are specifically engineered for optimal embedment in the APP-blended sheet. The membrane is made up of anAPP (Atactic Polypropylene) polymer and asphalt blend that provides an extremely durable sheet with excellent weathering characteristics, flexibility and ...

Fiber glass, polyester, and composite reinforcement choices allow you to choose which membrane fits your needs. Performance from a company you can trust with more than 160 years of roofing system expertise and integrity.

APPeX 4.5M is used as a cap or flashing sheet in APP multi-ply roofing systems. Ceramic-Coated Roofing Granules: Specifically engineered for optimal embedment in the APP-blended sheet. The ceramic coating promotes excellent long-term adhesion. APP (Atactic Polypropylene) Polymer and Asphalt Blend:

• DIBITEN APP Modified Bitumen membranes meet or exceed the criteria for ASTM 6222, Type I, Grades G (Slate Surfaced) and S (Smooth). • UL Class A, R 10167 fire ratings.

2025年1月20日 · The asphalt coating on APP membranes consists of a high-quality base asphalt that is modified with APP (atactic polypropylene) polymers for improved durability, UV protection, flexibility, and strength.

Johns Manville’s liquid-applied systems provide a seamless waterproof membrane that is easily applied and conforms to any penetration shape. This is ideal when faced with a confined urban space, numerous roof penetrations or restricted use of hot asphalt or heat welding.