SAFEWELD™ PREMIUM APP MODIFIED BITUMEN MEMBRANES are manufactured from the exclusive “DuraWeld™” formulas using the highest quality materials available in the market today which have been the principle waterproofing components in U.S. Ply roof systems for over 24 years.

U.S. Ply has engineered and developed SafeWeld™ APP (Atactic Polypropylene), cold applied/heat welded seams, modified bitumen membrane to meet or exceed the industry standards for high performance membranes.

U.S. Ply begins with prime grades of asphalt which are then modified with thermoplastic (APP) polymers. The result is a modified bitumen compound that demonstrates revolutionary waterproofing characteristics, extreme heat resistance, low temperature flexibility and excellent elongation properties. U.S. Ply then strategically adds reinforcements of polyester or composite fibers in the modified bitumen compound to incorporate additional performance characteristics into the membrane.

To compliment the SafeWeld™ modified bitumen membranes, U.S. Ply uses SafeWeld™ Premium APP Modified Bitumen Adhesive to adhere the membrane to selected substrates and base sheets. The SafeWeld™ APP modified bitumen membrane seams are then heat welded to form a complete seal to provide an excellent seal.

U.S. Ply uses a proven APP adhesive technology in its SafeWeld™ APP adhesives that has been performing in the United States for almost 2 decades.