Roof Pitch For A Patio Cover

The existing slab can vary considerably throwing off crucial measurements.

Roof pitch for a patio cover.

This meant the patio cover could start at the edge of the house s roof at a height of eight feet and slope down to seven feet leaving a clearance of more than six and a half feet between the lowest part of the frame s headers and the ground at its outer edge. The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters. You could also opt for a pvc flat roofing membrane. When you are building a patio cover off of an existing roof or wall you must take all of your measurements from the point at which the patio roof will attach to the existing structure not the outside of the slab.

A house attached patio roof takes advantage of the house s structure by supporting one end of the roof on a ledger mounted horizontally to the house. To calculate your overall roof rise or fall multiply the roof slope by the entire distance from the home to the center of the beam line see the examples below. Total roof fall per projection. This patio cover plan example uses galvanized metal as the roofing material.

So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. You need to remove any vegetation soft soil and rocks before you begin. When you are building a patio from scratch you will have no trouble making sure that it is sloped correctly.

By doing this method you will have a clean finish that is connected to the wall line. Pergola lattice covers do not have a minimum pitch they can be flat however the maximum slope is 1 per foot. You can alternatively use shingles as roofing material providing the roof pitch on your patio cover falls within the shingle manufacturer s specifications. That means that the patio must slope away from your house at least 1 4 inch per foot for at least the first 10 feet from the house exterior.

After that cut the rafters back to the wall line. You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter. Using corrugated metal also allows me to reduce the degree of slope or roof pitch needed to a mere 10 percent or a 1 to 10 pitch. The recommended slope is 1 4 inch per foot but it can be anywhere from 1 8 inch to 3 8 inch per foot depending on other factors.

6 projection 1 1 4 min. Patio cover plans building. The back channel is connected to the rafter directly and reinforced.