Roof Picth 2 12

2 12 is very low for composite shingles.

Roof picth 2 12.

About 6 months later some of the plywood will be saturated. Asphalt shingles continue to be the most widely installed roof covering option in north america. The table below shows common roof pitches and the equivalent grade degrees and radians for each. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof.

2 12 roof pitch angle 9 46 degrees. Ice and water shield as an underlayment. 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. Image 1 12 to 12 12 roof pitch 7 12 pitch.

To be honest the shingles and double felt will work about as well as leaving just the plywood to fight the elements. If this isn t practical then perform the same measurement on the underside of the roof. We included a roof pitch chart below the 7 12 example image and the calculator below that. Most roof s have a pitch in the 4 12 to 9 12 range.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. What is a 2 12 roof pitch if a roof rises 2 in a length of 12 this is 2 12 roof pitch.