How To Construct A Flat Roof Dormer

Loft conversion flat roof dormer in build 4.

How to construct a flat roof dormer.

Whether you re expanding a cramped attic into a bedroom office or playroom if you have any. Install a preformed galvanised metal valley. If the slope of your dormer roof is the same as your old roof hold a scrap of plywood against the old roof boards and draw a level line on it. Re roof along the edge of the dormer.

Cover the sides of the dormer with building paper and then install the siding. Cover the valley and roof edges with a strip of ice and water barrier. This type of dormer will maximise the roof slope and is often the perfect answer on the rear of house and bungalows alike. Along the level line and using a square to draw a perpendicular line up to the roof edge of the board.

It has no peak no hip and it isn t rounded. Again while not especially interesting it does reduce construction cost while increasing though not maximizing as does a true flat roof dormer the space beneath. Add roof edge moulding and step flashing. Shingle the roof from the bottom up.

Flat roof dormers dormers attic designs. They can either be set back into the roof slope or go all the way to the. Loft conversion dormer with french doors google search. Framing a dormer refers to the first and most important step in constructing an upper level addition to your home.