Gable Roof Framing Detail

Wall plates and joists set out the wall plates to whatever centers you need for your gable roof 400 450 600 or 900 governed by the weight of roof covering ie tiles and cut fix the joists so they are parallel to each other and flush with the back edge of the wall plates.

Gable roof framing detail.

If you re a little unsure of your rough framing or roofing skills hire a carpenter to help with this phase of the roof dormer project. Building trusses on site is easily done for a shed. The three primary variables to consider when designing the eaves for a gable roof are the width of the gable trim the projection of the eaves and the details at the corner of the gable ends. Wide about 9 ft.

From the floor to the peak and set back from the front wall of the house about 2 ft. A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line. The gable dormers we built are 6 ft. This is now addressed in the international residential code.

You then have rafters running down from this ridge board and resting on the top wall plates. One is a failure of the hinge at the connection between the top plate of the wall and the gable end framing if the gable end is not balloon framed with continuous studs. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.

This first installment of a two part series focuses on eaves that do not return onto the gable. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Gable roof step by step. Since 2009 section r602 3 has required that studs shall be continuous from support at the sole plate to a support at the top plate to resist loads perpendicular to the wall.

Sometimes the rafter will have a tail and extend out past the wall so that you have a soffit or overhang. The run or half the building span is the base of the triangle. Framing the gable ends 1 nail 2 boards onto your walls as top plates. And the line length measurement from the roof peak to the building wall is the hypotenuse.

Take a look at some quick tips and tricks to get your gable wall framed the right way. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. Each dormer adds about 30 sq. A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties.

The rise or height of the roof at its peak is the altitude of the triangle.