Flat Roof Patio Framing

Take four pieces of 4x4 lumber and cut them to the desired height of your patio cover keeping in mind that the footings will add a little extra height to the final product.

Flat roof patio framing.

Patio cover plans building. From there the flat roof system you choose will determine the materials you apply. The existing slab can vary considerably throwing off crucial measurements. When framing a flat roof you will need to create a slight incline.

Flat roofs are always built at a slight incline at least 1 8 inch per foot. First you must make sure the roof is strong enough to support 55 lbs per square foot. These decks are often referred to as floating as they are not secured in place as a stand alone structure. The tables below give maximum spans for rafters and beams.

These traditionally styled roofs are made of wood and feature large supportive beams. On two sides the roof abuts a parapet a short wall common around flat roofs as well as a wall for the third floor. Put a cement footing at each corner of the intended patio roof space and attach anchors to each footing. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.

The roofing material is more traditional such as shingles. They are merely placed on top of another structure. You can do this with a foam layer that exactly fits your roof. Here the rubber roof will need to run up the walls and glue to the sheathing.

Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. To keep water from pooling at these inside corners tom rips 2x4s lengthwise on a 45 degree bevel with a table saw. These patio covers tend to look like an extension of the home s main structure. A timber framed patio roof is perfect for your rustic or country home.

Some roofs actually slope in several directions ensuring optimal water runoff. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. This is a completion video of a flat roof framing. This is a completion video of a flat roof framing.

The figures are based on quality materials.