Snow Shedding Roof Pitch

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.

Snow shedding roof pitch.

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. On january 19 2020 by jaka santuy. Once in the attic hold your level against the bottom of a roof rafter ensuring that all bubbles are resting in the center. Installing low slope metal roofing snow shedding and photovoltaics alpine design basics 360niseko metal roof design for cold climates shed roof pitch zacs garden.

Begin by measuring 12 inches on your level and marking it with a pencil. The smallest pitch of a roof is 0 5 12. Basically the steeper the pitch the better it can shed snow and rain. 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.

The flip side to this is that it also becomes more expensive to build both in materials and logistical difficulty. The higher the roof pitch the more often the snow slides off. They would say use a low slope approximately 5 12 and keep the snow on. A common choice for flat roofing material is epdm rubber as it is highly durable waterproof and can be made from recycled materials.

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. Best roof pitch for shedding snow.