Minimum Roof Pitch For Cedar Shingles

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.

Minimum roof pitch for cedar shingles.

Clay and concrete tile requires a minimum roof pitch of 2 1 2 12 or greater. It is important for shingle roofs to function properly and one method of ensuring that this is achieved is to observe the pitch requirements for the shingles. These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12. The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span.

To achieve a sound watertight roof the gauge of the shingle assuming the standard 5x or 400mm shingle must be closed to 95mm giving a 4 ply roof. Shingles of all types need to have a slope to function properly. While a low pitch roof may not show the aesthetic qualities of cedar shingles to full advantage they provide a lightweight durable solution where a pitched roof is required. When it comes to slope for cedar roofs pitch is determined by how many inches the slope rises every 12 horizontal inches.

Metal roof shingles require a minimum roof pitch of 3 12 or greater. The minimum roof pitch for shingles and shakes is 14 degrees. Asphalt shingles require a minimum roof pitch of 2 12 or greater. At these low pitches 14 22 degrees care must be taken and a water impermeable vapour permeable underlay must be used underneath with a ventilated space between the membrane and the shingles.

Asphalt shingles continue to be the most widely installed roof covering option in north america. The roofing materials most often used for these pitches include asphalt composite shingles. Traditional 3 tab shingles made with asphalt composite are the most popular type of shingle and are the most flexible in terms of adapting to many roof pitches. What is the minimum pitch slope of an asphalt shingle roof.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. At these pitches there is a possibility of some water penetration. That works out to about nine degrees if that works better for you. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal.

Your home s roof pitch is the angle slope or slant of your roof.