Framing A Shed Roof Over A Patio

Maximum rafter spans for a patio roof.

Framing a shed roof over a patio.

The tables below give maximum spans for rafters and beams. Many building departments require a local architect or engineer to design plans for porch roofs because of the increased snow roof and wind loads created by adding a roof. Building a porch roof building a porch roof or screened in porch roof over an existing deck or patio can be fairly straight forward or very complex depending on the type of roof you choose. Then there are wooden beams that are evenly spaced over the frame to create the roof.

Adding a wood lattice roof can range between 500 and 10 000. To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge. And so do the post and the frame of the ceiling. A screen can be added for an additional cost of 3 000 to 4 000.

Most porch roofs are typically shed roofs or variations of hip roofs. A louvered patio roof is similar to a pergola. Extremely happy with this purchase. Building a shed roof over a deck.

The frame is metal and the sunshade is moveable. Pergola s are thicker mounted on the shorter width and do not. Louvered patio roof ideas. Blind valleys simplify framing.

This article discusses strategies for building over an existing slab patio or over a deck and offers links to articles about the specific tasks such as pouring the footings raising posts and so forth. The figures are. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. The average cost for a patio roof addition using low maintenance wood patterned aluminum runs for about 6 000 to 10 000 for an area of 20 by 20 feet as of 2011.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. This pergola offers a metal slanted roof to provide coverage from the hot sun on your deck porch or patio. The difference comes in with the type and installation of the beams. Start here if you re building a roof over a patio or deck.

We put it together in an hour really easy. We show you how two different roofs are constructed so you will know what is involved. After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side. You need to place the patio sheeting over the top of the roof about 300 millimeters so that it can perform shield from the rain without blocking the airflow.