Slope For Woodshed Roof

How is shed roof pitch measured.

Slope for woodshed roof.

Think of a shed roof as a flat roof at a steeper slope you can also think of it as one half of a traditional gable roof. For the shed roof pictured above the back has a 5 12 pitch. For lots more information on which roof finish to use for which slope and indicative costs. Obviously the higher the number the thicker the felt is.

The roof pitch measures the steepness of your shed roof and typically takes values from 1 to 12. The primary purpose of a shed roof is to protect you and your possession from the weather. There are advantages and disadvantages to having a steep pitch versus a shallow or low pitch. Whereas a hip roof and other popular roof types have at least two sides the shed roof has a single slope that can vary in steepness depending on the design.

Roofs can be classified into three broad groups according to roof slope. This image shows a shed with a roof pitch of 30 degrees with a covering of cedar shingles. If your roof pitch is greater than 3 your roof is considered pitched read more about roof pitch at wikipedia. It will make less sense to use 2 4 rafters on a single slope shed roof if you live an area with heavy snowfall.

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. Moving to 16 on center you could span your spf 2x4s up to 6 for heavy. When you see this detail below it is referring to the pitch of the roof. Pitch 0 to 10 degrees.

Roofing felt is sold in rolls that are typically 36 inches wide by 10 to 12 feet long. Roof pitch is the measurement of roof steepness. So if your roof rises 4 inches for every 12 inches of horizontal length then the pitch of your roof is expressed as 4 12. To make a roof waterproof the roof pitch slope will influence the materials you choose.

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. That is the way that my engineering mind works. Keep in mind the above measurements are for 12 on center. The way pitch also known as roof slope is measured is rise over run.

Simply put pitch is expressed as rise over run just as the grade is simply this fraction expressed as a percentage. In roofing it is expressed in inches of vertical rise over inches of horizontal run. It is typically sold by weight which is an indication of how thick the felt is in most cases either 15 30 or 90 lb. A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run.

A ratio is the most common way of expressing roof pitch or roof slope but degrees are also possible. So far i have referred to the roof slope in degrees.