SmartFlash® ONE is a one-part, seamless, durable liquid applied polyurethane bitumen waterproofing resin. It is designed for flashing new or existing penetrations and construction details within low-slope modified bitumen and/or built-up roofing (BUR) roofing systems. SmartFlash® ONE is also a durable, long-term repair solution for flashings or cracks within a steep slope asphalt shingle roof. SmartFlash® ONE membranes form full closure to irregular flashings and penetrations of every imaginable shape, and eliminate the need for pitch pockets on low-slope penetration details. SmartFlash® ONE, when cured, virtually becomes part of the substrate. SmartFlash® ONE delivers one-part labor efficiency with two-part performance. Applied with no need for primer or A + B component mixing, contractors can work quickly without fear of the product setting up too fast or going to waste. Unused resin may be resealed and used on future projects. These application benefits are realized without...See Morecompromising quality. The SmartFlash ONE formula delivers stress resilience and UV stability backed by up to 20 years of warranty coverage, which is in line with the coverage afforded to two-part solutions. SmartFlash ONE is available in Flash Packs, 1G (comes in carton with two 1G pails) and 5G pails. SMARTFAB 500 Polyester Reinforcement, 6" width, is included with the Flash Pack and sold separately in cartons with five 6" x 300' rolls. SMARTFAB 500 is also available in 5-roll cartons at 4", 12" and 20" widths to accommodate various flashing detail and/or repair needs. Reach out to your local CertainTeed Territory Manager to request a SmartFlash ONE sample and training. See Less