Proper Roof Pitch For Shingles

The roof pitch would be described as a 6 12 pitch.

Proper roof pitch for shingles.

These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. So let s say a roof rises 6 inches for every 12 inches in depth towards the peak. 5 12 to 12 12 pitch.

The recommended minimum roof pitch for shingles is 2 12 or simply two units of vertical rise to every twelve units of horizontal span. Shingles of all types need to have a slope to function properly. That works out to about nine degrees if that works better for you. Asphalt shingles continue to be the most widely installed roof covering option in north america.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. However it is regrettable that many installers usually ignore this requirement due to the desire for a quick installation process. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal.

Think of them as taking the middle road in terms of roof pitch not too flat not too steep. The primary reason roof pitch exists in the first place is to redirect water. That is to say the roof pitch expressed as a ratio tells you how many inches the roof rises for every 12 inches of depth. The minimum requirement is 2 12.

What is the minimum slope for an asphalt shingle roof.