Venting A Low Slope Metal Roof

These are not as effective but still provide some ventilation.

Venting a low slope metal roof.

Smartvent can be modified to provide intake ventilation for new roofs or re roofs through the fascia board for low slope roof with less than a 4 12 pitch. So that probably means you are going to use a modified bitumen roof or something like that for the 5 12 low slope flat roofs. Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. There are no shingles that can be safely instaled at less than 3 12 pitch and not metal roofs that should go to less than 2 12.

The main thing is to get the correct metal roof for your applications. Most structural metal panel roof systems are designed to resist the passage of water at laps and other. Most standing seam roofs require 3 12 pitch for proper water shedding. Other types of roofs that are not designed to accommodate effective ventilation systems such as ridge soffit vents or gable vents are hip roofs and low slope roofs.

One has to use a metal roof that is engineered to be able to go down to your 1 12 or even 1 4 12 pitch. Can metal roofing be used on a low slope pitch roof. It is important to note structural metal panel roof systems can be used for steep slope roof assemblies too. Depending on the length of the shed roof a 1 12 roof slope is not flat.

Venting low slope roofs posted in energy.