Framing A Shed Roof Dormer

Be extremely careful not to damage the existing structure.

Framing a shed roof dormer.

However the width can be increased with properly sized and engineered support framing. 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. Wide depending on the size and length of the existing rafters. Cut the shed dormers opening with a reciprocating saw.

Create a layout that incorporates the details of the project such as slope headroom and exterior appearance. To correct a slight dip in the floor we established a benchmark height with a laser level and nailed 2x6 squash blocks to the sides of the existing floor joists. 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. Because they can be much wider than gable dormers shed dormers can provide more headroom and therefore more usable space.

The end wall of a shed dormer carries the load rather than the sidewalls. You ll also need good equipment for working up high an extension ladder roofing brackets and scaffolding see roof safety. Framing a shed dormer is a simpler process than building a gable dormer. The shed roof rafters are fastened to the other side of the header.

Schedule your project considering that the roof will be wide open and the work may last an entire day. Recently completed in march 2016 this project wasn t quite as straight froward as it may look in the video. Purchase your materials including wood windows and any other specialty. Shed dormers are an efficient way to gain more space.

The construction of the dormer involved three st. Building a 20 ft wide shed dormer doesn t take much more effort than building a 4 ft wide version. They also give you more bang for the buck. This framing option is usually best for dormers up to 6 ft.

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. Usually a dormer is made for extra light into a house.