12 Pitch Shed Roof

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12 pitch shed roof. This free roof pitch calculator will take your roof width see the picture and rise the height of the roof and will calculate the roof pitch both as numeric value. A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run. The shed roof pitch has two slopes and the window above eaves level allows additional light into the shed. In order to adhere to standardized building codes and ensure adequate runoff your shed s roof must have a pitch of at least 3 12 read as three in twelve.

The roof pitch measures the steepness of your shed roof and typically takes values from 1 to 12. That means the roofing material you choose needs to protect the materials underneath to prevent water damage and leaks. 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. If you have to go with a roof pitch less than 3 12 then it would either have to be a metal roof or a roof covered with a rubber membrane to prevent water penetration.

If you do opt to use 2 4 shed rafters for your roof construction you will always use a 2 6 ridge beam even though the rafters will be 2 4. Constructing a new shed roof at the desired pitch is as easy as knowing how to use a speed square. Low pitched roofs aren t able to shed water and snow as easily. Beyond that you re free to choose whatever slope best fits your plans for your shed.

If you have a roof with a pitch that is less than 3 12 you should not use 2x4s. For the shed roof pictured above the back has a 5 12 pitch. Determine your desired roof pitch. In roofing it is expressed in inches of vertical rise over inches of horizontal run.

Both systems work and i have a table below that will help you to translate from one to the other. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. If your roof pitch is greater than 3 your roof is considered pitched read more about roof pitch at wikipedia. The term pitch refers to the slope of the roof.

An important factor to throw into a discussion about roof pitches is local planning rules and regulations. Remember that pitch is calculated as the height or rise of a roof pitch over 12 inches of horizontal run. A 2 12 roof slope is considered low so the roofing materials you would use on a steeper roof may not work.