The new TAMKO TW Seam Tape is a flexible, self-adhering SBS-modified bitumen membrane with a polymer film on the surface and a removable treated release film on the adhesive side. It has a textured, skid-resistant surface for added safety of the roofing crew. TW Seam Tape is applied to all roof deck joints and seams after the roof deck installation, before the underlayment is applied. TW Seam Tape is designed for application on a variety of surfaces, including OSB, plywood and most other common roof deck materials. And TW Seam Tape works with all TAMKO shingles and underlayments. It comes in 4-inch rolls, with each roll covering 61 linear feet. This new product is available nationwide now and is UL classified in accordance with ASTM D1970 standards. Learn more at www.TAMKO.com/Waterproofing.