Proper Pitch On A Covered Patio Roof
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.
Proper pitch on a covered patio roof. 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. If it is not possible to match the existing roof choose a pitch that is shallower. 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. Patio cover roofs must conform to the local building code including how they are attached to the building.
This means that the side furthest from your house will be five inches lower than your house. Determine the minimum slope of the roof based on the roofing material. When they are installed you can begin attaching roofing shingles. He s not happy with the slope and asked what the norm was.
This allows for your patio cover to have proper drainage. 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 minimum pitch for shingles is 1 6 which is equivalent to 4. Buddy of mine had a stone patio put in last friday and the contractor pitched the patio 1 2 3 4 per foot.
Slope of a patio cover can also be adjusted for a larger slope if you are following your roofline for example. The pitch of the covered porch roof should match that of the main roof. 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. This is a two percent drop and it is the ideal slope for a patio to effectively drain away from your home.
When all the rafters are installed correctly form your patio roof by attaching the planks horizontally across the rafters. How roof pitch determines suitable roofing systems. Match the roofing on the covered porch with the main roof. Do not go for a steeper pitch because the form of the covered porch will overpower or contrast with the main roof.
Residential roofing with different pitches does not appear cohesive. Importance of a roof pitch. The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions.