The PRO TPO Pressure-Sensitive (PS) Coverstrip is a non-reinforced TPO flashing laminated to a nominal 30-mil (0.76 mm), fully cured synthetic rubber pressure-sensitive adhesive. It cannot be used for flashing angled metal flanges such as gravel stops or other canted metal edgings. WeatherBond's TPO PS Coverstrip is part of the Certified Fabricated Accessory (CFA) program, the only factory-fabricated TPO accessories that meet the stringent quality tolerances required to be included in a WeatherBond roofing system.