From Klober
Permo® TR plus is an essential product for reducing energy loss through the roof. It is a multifunctional adhesive tape, ideal for creating airtight seals between laps in underlays or vapour control layers/air barriers, repairing holes in underlays/vcls and sealing around pipe sealing collars. Area of application Suitable for all pitched roofs, including ceilings & walls of rooms-in-the roof, and on the ceilings below. Key Features Single-sided transparent tape Includes a reinforcement mesh for strength Multi-functional tape, used for joining, repairing and creating airtight seals Ideal for use with Wallint® solar since it maintains its low emissivity properties Extremely durable