Snow Shedding Roof Pitch

A common choice for flat roofing material is epdm rubber as it is highly durable waterproof and can be made from recycled materials.

Snow shedding roof pitch.

Basically the steeper the pitch the better it can shed snow and rain. Slopes greater than 6 12 will tend to shed snow regardless of the texture of the material on them so roof slopes should be configured to avoid shedding anywhere people might be walking or exiting. The smallest pitch of a roof is 0 5 12. Begin by measuring 12 inches on your level and marking it with a pencil.

The higher the roof pitch the more often the snow slides off. Once in the attic hold your level against the bottom of a roof rafter ensuring that all bubbles are resting in the center. They would say use a low slope approximately 5 12 and keep the snow on. You can safely measure the roof pitch from inside your attic with a level that is either 18 or 24 inches a tape measure and a pencil.

One key difference in industry s approach to snow on roofs is that keeping snow on the roof is something that they desire quite the opposite from the trend in north america. There are advantages and disadvantages to having a steep pitch versus a shallow or low pitch the most obvious of which is the roof s ability to shed or withstand heavy snow rain or wind. A completely flat roof is a poor design as water and snow will collect on it eventually leading to your roof collapsing in from the weight of it all. The flip side to this is that it also becomes more expensive to build both in materials and logistical difficulty.

On january 19 2020 by jaka santuy. Best roof pitch for shedding snow.