Underlay A1F

A1F Building Paper to BS1521. A Lead roof underlay - also serves as a temporary roof covering and a versatile cladding for uninsulated buildings and can be used as damp-proof membrane for a timber floor.

A1F Roll 25m x 1m

Why waste money - also available to buy by the metre.

Downloads:

Green Treatment: Data Sheet 1 ↗

Green Treatment: Data Sheet 2 ↗