Versico’s PS RUSS is part of the Certified Fabricated Accessory (CFA) program. Certified Fabricated Accessories are the only factory-fabricated TPO accessories that meet the stringent quality tolerances required to be included in a Versico warranted roofi ng system. PS RUSS is a nominal 45-mil (1.14 mm) -thick reinforced TPO membrane strip with a nominal 35-mil (.89 mm) -thick cured TPO splice tape adhesive laminated along one or both edges. The reinforced TPO membrane is either 6" (150 mm) or 10" (250 mm) wide while the adhesive strips are 3" (75 mm) wide.VersiWeld 6" Pressure Sensitive RUSS has splice tape applied along one edge while the 10" Pressure Sensitive RUSS has splice tape applied along both edges. Both products are installed below the deck membrane and provide securement without penetrating the sheet.