Can you build a roof dorma if you have exsisting perlins in the way?
How To Build a Roof Dormer: A dormer is not only a point of interest on the roof of your home, but also a less expensive way to add some headroom to an upper story without having to actually raise the entire roof of the house. In some applications, especially with a cathedral-ceilinged room, the dormer can act as a skylight. Instructions Step 1Nail sheeting to the roof, but leave a gap at the top. There you will attach a ridge vent, allowing proper ventilation. Nail two strips of 15 pound roofing felt to both sides of the roof sheeting. Seal the window opening by putting a bead of caulk around the window opening and install the window. Make certain you pick out a window that will fit in with the other windows on your house. Step 2Put step flashing (the end result looks like scales) around the bottom side corners, and a piece of flashing at the foot of the front wall. This helps ensure that rain flows around the dormer and into the gutter, rather than through any gaps that may be left b
