Flat Porch Roof 2x6 Rafters

We show you how both a typical rafter style porch and truss roof area constructed.

Flat porch roof 2x6 rafters.

The bottom edge matches up with that of the garage roof most of the main rafters are up leaving just those over the garage to be added detail of the bottom end of a rafter over the garage showing the 2x6 it is sitting on detail of the roof support going through the garage soffit. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. If i tie into a 6 12 pitch roof with 2x6 s. 1 psf lb f ft 2 47 88 n m 2.

My plan is to add 2x6 supports on to the top plates of the existing house wall where the 2x6 s intersect with the walls. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. P may have to sub out the concrete and possibly the framing because it may be over my qualifications the shed was detached and wasn t as serious as this if done incorrectly i could really damage my house. He has also authored edited or produced more than 30 books in the home improvement space.

It is always better to have a large rafter rather than be concerned with a sagging roof. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. Dead load weight of structure and fixed loads 15 lbs ft 2. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center.

2 are indicated below. If you move the rafters closer together at 16 o c then your syp rafters will span 11 and spf up to 10. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. The garage wall had an outlet on it.

It was a simple task to conduit was also run from the second box up to the ridge at the peak of the roof and out to the center of the deck where. I will be setting 4x4 post every 6 with 2 2x6 s with 1 2 osb sandwiched between them as the form to set on top of post. Will i be able to span a concrete slab of 11 6. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.

Spf 2 6 rafters can span 8. Therefore if you want a 10 12 single sloped roof and you live in a heavy snow area then you can space your rafters 16 apart and use spf 2 6 lumber. 1 ft 0 3048 m. Structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.