JM TPO 10" RPS (Reinforced Perimeter Strip) is a TPO membrane strip with a factory-laminated tape along each edge. It is used in lieu of half sheets to secure the roof membrane attachment beneath TPO or EPDM membrane and as additional membrane securement as specified in Johns Manville specifications and details. Also consider using with the JM TPO Peel & Stick 6" RTS (Reinforced Termination Strip) as part of a comprehensive peel & stick perimeter reinforcement system.