Shed Roof Pitch Snow Load

Remember that pitch is calculated as the height or rise of a roof pitch over 12 inches of horizontal run.

Shed roof pitch snow load. It is determined based. The key factors are usually snow loading requirements adequate slope and the use of snow guards when needed. As stated in the video speed squares have useful markings on them from 0 to 12. Snow weight length width cos pitch snow load the weight of snowis measured in kgor lbs.

The flip side to this is that it also becomes more expensive to build both in materials and logistical difficulty. A medium pitched roof is one that has a pitch of between 3 12 and 7 12. You should know the roof weight limits for your barns and outbuildings. 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.

The safest way to determine the pitch of an existing roof is to measure from inside your attic using a level tape measure and pencil. For example a roof with 3 feet of light snow has an estimated roof load of 60 pounds per square foot 3 ft depth x 20 lb ft2 ft depth density 60 lb ft2. 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. Importance occupancy and use of the building.

On multiple factors including. The higher the roof pitch the more often the snow slides off. If necessary rebuild or fortify them to withstand worst case scenario snow loads and meet local building standards. Metal roofing systems have a good track record of performance in harsh winter environments as long as they are properly designed.

Wind exposure of roof. If these issues are addressed during the design stage and the roofing contractor does his job these systems will almost always perform as intended. Personally unless you live in an area of extreme snow load i would recommend you incorporate a shed roof pitch of between 4 12 and 6 12 for optimum results. Basically the steeper the pitch the better it can shed snow and rain.

If you are building a new roof however consider the climate to determine the correct pitch and proper materials. This range makes up the bulk of new roofs being built on homes and outbuildings in the u s. Ground snow load value. Therefore if your roof rises 4 inches over the course of 12 inches of horizontal run then your roof pitch is 4 12.

This will extend the life of your roof.