Minimum Pitch Corrugated Plastic Roof

It is the recommended slope as there is no guarantee if you opt for flatter pitch than this.

Minimum pitch corrugated plastic roof.

Installing translucent plastic corrugated roof panels. Just like other metal roofs the minimum pitch for a corrugated metal roof largely depends on the profile of the roof. Courtesy the kemlite company. The pitch is measured in inches of vertical rise per foot of horizontal run and the 5v crimp profile shown above requires a minimum slope of three in twelve or 3 12 3 inches vertically per 12 inches horizontally.

Corrugated metal roofing has the same minimum pitch. The corrugated metal roof minimum slope is 5 degrees. 4 attach rafters to header and crossbeam with 1 screws and nails. In most occasions a pitch of three in twelve is preferred but this should also take into consideration the manufacturer s recommendations as well the unique condition of the corrugated metal roof.

That is why all roofing manufacturers recommend the 5 degree pitch as the minimum slope and they will not provide any guarantees if it is installed flatter than this. However you can only use this pitch with built up roofing or specialized synthetic roofing. Corrugated roofing is an amazing choice for conventional pitched roof despite having the severe limitation about the pitch. Pre notch rafters to compensate for slope.