Roof Pitch For A Patio Cover

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.

Roof pitch for a patio cover.

This patio cover plan example uses galvanized metal as the roofing material. Total roof fall per projection. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. You can alternatively use shingles as roofing material providing the roof pitch on your patio cover falls within the shingle manufacturer s specifications.

By doing this method you will have a clean finish that is connected to the wall line. The back channel is connected to the rafter directly and reinforced. Patio cover plans building. 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.

You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter. 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. All hardscape within 10 feet of a building must slope away from the building with a minimum slope of 2 percent. 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.

You could also opt for a pvc flat roofing membrane. You need to remove any vegetation soft soil and rocks before you begin. 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. However you can only use this pitch with built up roofing or specialized synthetic roofing.

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. The existing slab can vary considerably throwing off crucial measurements. 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. 6 projection 1 1 4 min.

There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12. The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters. When you are building a patio from scratch you will have no trouble making sure that it is sloped correctly.