Roof Pitch For Shingles

We do install shingles on these in between pitches but special application measures must be taken in this middle ground.

Roof pitch for shingles.

Normal shingle installation is allowed for all roofs with a pitch of 4 12 and above. Although ceramic tile roofs are expensive they can have a life span of over 100 years. Pitch angle incline slope they all can be used to refer to the steepness of a roof. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

Asphalt shingles continue to be the most widely installed roof covering option in north america. Low sloped roof shingle installation. These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch. Pitch is measured in inches of vertical rise of the roof over one foot 12 inches of horizontal run.

Manufacturers of asphalt shingles recommend a pitch of 4 12 or more but the absolute minimum pitch is 2 12. For example a 4 12 pitch roof that is 100 square feet. The pitch of the roof is the rise over a 12 inch run. However it is regrettable that many installers usually ignore this requirement due to the desire for a quick installation process.

Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. 5 12 to 12 12 pitch. It is often compared to slope but is not exactly the same.

In the roofing trade the go to term is pitch and it is expressed in terms of 12 inches so the pitch of a roof is determined by how many inches the slope rises for every 12 inches it runs horizontally. A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Use our roof pitch calculator to find the pitch of your roof.

The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. So a 4 12 pitch roof rises 4 inches for every 12 inches of horizontal run. What is the minimum slope for an asphalt shingle roof.

If 4 12 and above is normal and 2 12 is minimum what about properties with roofs in between the two such as a 3 12 pitched roof.