Shed Roof Dormer Framing

The end wall of a shed dormer carries the load rather than the sidewalls.

Shed roof dormer framing.

Wide depending on the size and length of the existing rafters. A shed roof differs from a flat roof dormer only in that the roof is sloped. It offers many benefits including water shedding and cost effectiveness but it also comes with cons including ceiling height issues and susceptibility to high wind. Framing a dormer with shed roof is a difficult process but if you take your steps correctly you will be able to handle the job effectively.

If you feel that your house has little natural light you could think about creating a dormer with shed roof which will certainly help. Frame the front wall to fit between the new rafters assuring that its top is level and that the sides are perfectly plumb. However the width can be increased with properly sized and engineered support framing. Usually a dormer is made for extra light into a house.

Shed dormers get a bad rap for being ugly. You ll also need good equipment for working up high an extension ladder roofing brackets and scaffolding see roof safety. Install a 2 by 6 5 08 by 15 24 cm header across the opening. When designed with care intent and an eye for scale and proportion however shed dormers can enhance a home s exterior while providing valuable space inside.

The shed roof rafters are fastened to the other side of the header. Be sure to fasten the rafters in appropriately. Cut the shed dormers opening with a reciprocating saw. 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.

Verify that the new rafters align with the sheathing of the roof. There is generally no load bearing issue when the end wall is framed directly over the exterior wall of the first floor. On the roof using the pilot holes drilled in step 1 snap the lines that will denote the opening in the roof for the dormer. This framing option is usually best for dormers up to 6 ft.

Building a dormer requires a tool belt loaded with all the basic carpentry tools plus a few extras a circular saw reciprocating saw framing square and 2 and 4 ft. Framing the dormer with the dormer roof raised and supported we cut away the part of the original roof that was still in place leaving the exposed ends of the floor joists. When comparing roof types you see a lot of gable and hip roofs but a contemporary option with a simple design is a shed roof. Framing a shed dormer is a simpler process than building a gable dormer.

It has no peak no hip and it isn t rounded.