Roofing Felt 3B & 3H Under lay NAIL ON UNDERLAY Baselayer Preparation layer 20m
This is high quality British made Anderson (Ico Pal) felt. 3H pour & roll underlay. 3b pour & roll underlay (tap on). Torch on Underlay in 4mm, 3mm and 2mm. 3B & 3H Felt. One of the easiest to use & high quality products on the market.