Waterproof adhesive strip USB COLL CU / ALU

for roof windows

Description and use: adhesive strip composed of a layer of self adhesive cold butyl mastic, a top aluminium and/or copper film resistant to atmospheric agents and UV rays and a bottom protective film pre-treated with silicone substances which make it easy to unstick before use. For proofing all discontinuities on highly breathable USB Riwega membranes against water, air, wind and vapour, such as roof windows, chimneys, vents, etc. where it is necessary to leave the coloured aluminium or copper surface visible and/or to repair any breaks in copper sheeting. Particularly recommended for sealing solar and photovoltaic panels.