dormer cheeks

We are in the process of having a huge dormer built. The approved drawings the builder is working from says single layer membrane roof covering bonded to19mm plywood, also sides from 25mm plywood (exterior grade ply). The builder has used 11mm OSB3 board all over (also gaps all over between...

Hi, I'm wondering how I fit a tilting batten or something similar that will kick out the eaves/lowest tile on every row of a dormer cheek going up the pitched roof. If I simply screw a 50mm batten below the horizontal at the same pitch of roof then won't it obstruct the tile further up. Is...

Hi all, we are about to get a dormer loft conversion done and have a Party Wall Award and drawings. We are mid terrace and the loft company have designed it so the 100mm x 50mm soft wood frame of the dormer cheek will be flush to the inside of the party wall. To the exterior of this will be 9mm...