W1 Façade Membrane
Breather Membrane Black (ME011), is a vapour permeable polyester, airtight and watertight breathable membrane used over sheathing boards as a traditional full façade breather membrane. It is water resistant to Class W1 in accordance with EN 13859-2. The membrane is supplied with integral adhesive strips at the top and bottom of the roll, which are used to seal horizontal overlap joints without the requirement for an additional sealing tape.