Premium Underlay for lead roofing, cladding and weathering applications:
AIF, is suitable for smooth plywood decking (underside of decking must be ventilated). Can prevent chemical attack from smooth concrete, stone or oak surfaces. Must be fitted over whole substrate area.
A1F Building Paper SisalKraft 420 1m x 25m
Size: 1m x 25m
Conforms to BS 1521