Minimum Pitch For Corrugated Plastic Roofing

Base cap install system proper slope or condensation will not effectively drain out of the sheet.

Minimum pitch for corrugated plastic roofing.

Plastic is much lighter and easier to work with making it popular with homeowners looking to save money that could be spent hiring professional installation teams. The minimum roof slope allowed by code for any type of roof is in 12 applicable only to coal tar pitch roof systems. Corrugated plastic roofing is a long lasting and low maintenance alternative to corrugated metal roofing. Leaks at lower edge much more likely.

Proper slope is polycarb. Allow a 1 minimum pitch per foot for adequate drainage. Installing translucent plastic corrugated roof panels. Courtesy the kemlite company.

Pre notch rafters to compensate for slope. 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. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Just like other metal roofs the minimum pitch for a corrugated metal roof largely depends on the profile of the roof.

These notes are intended to cover the use and installation of corrugated roof sheets such as pvc other plastics and bitumen fibre sheets. The following table provides the minimum required allowable roof slope for each type of roofing material mentioned in the code. 4 attach rafters to header and crossbeam with 1 screws and nails. Installation of corrugated roof sheeting.

A cat ladder or roof board should always be used when working on a roof for safety of the person and to avoid damage to the roofing material. See what can happen to multiwall polycarbonate on roof pitch of less than 5 degrees. Do not install poly sheet on flat roof or pergola. However you can only use this pitch with built up roofing or specialized synthetic roofing.

In order to install your plastic roof correctly and prevent leaks you.