For example if the patio is 20 feet in length the slope should be five inches.
Proper pitch on a covered patio roof.
Flat and nearly flat roofs a pitch of 1 in 12 or 2 in 12 cannot be covered with shingles or shakes of any material since there is not enough angle to combat the danger of blow off.
Slope of a patio cover can also be adjusted for a larger slope if you are following your roofline for example.
When they are installed you can begin attaching roofing shingles.
If it is not possible to match the existing roof choose a pitch that is shallower.
If you are going to use shingles to cover the patio roof do not forget to install black roofing felt along with a single layer of oriented strand board.
The pitch of the covered porch roof should match that of the main roof.
This means that the side furthest from your house will be five inches lower than your house.
I ve seen 1 8 1 4 but thought 1 2 3 4 was a lot.
The minimum pitch for shingles is 1 6 which is equivalent to 4.
If you are considering installing a patio cover or aluminum awning you will want to have a minimum of slope per foot projection.
Patio cover roofs must conform to the local building code including how they are attached to the building.
Residential roofing with different pitches does not appear cohesive.
The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions.
The irc recommends a minimum design load of 10 pounds per square foot in addition to all dead loads except where this minimum is exceeded by local snow or wind load requirements.
This is a two percent drop and it is the ideal slope for a patio to effectively drain away from your home.
The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.
He s not happy with the slope and asked what the norm was.
Importance of a roof pitch.
Patio cover plans build your or deck diy covered porch roofing low pitch roof backyard estimating determining suitable types guide building a for an almost free how to attach existing house pj fitzpatrick tie into sides of up rise and run cutting rafters with corrugated metal dengarden patio cover plans build your or deck diy continue reading patio cover roof pitch.
Match the roofing on the covered porch with the main roof.
How roof pitch determines suitable roofing systems.
Determine the minimum slope of the roof based on the roofing material.
Buddy of mine had a stone patio put in last friday and the contractor pitched the patio 1 2 3 4 per foot.