Search results

Apologies by overboard i mean underline (under rafters). It is a rear lean to south facing close to neighbours so well sheltered. Is it ok to cut the bottom of tiles to fit around the top of a velux?

Ok no nails needed? Pull the membrane tight or sag and if sagging how much? Spars are at 400mm centres and building control want 70mm kingspan interspacing and 50mm overboarding.

Hello all, i've got an extension underway and its time to tackle the roof - mono pitch, 17deg, Marley Modern tiles on 38mm x 25mm battens, 170x50 roof spars, breathable membrane. A couple of basic questions how should the membrane be attached to the spars? does every row of tiles need nailing...