How Much Pitch Should A Roof Have To Use Shingles

The loft space would be much larger with a roof pitch of 45 degrees.

How much pitch should a roof have to use shingles. Roof pitch designations are comprised of two numbers indicating a ratio. Knowing how much overhang roof shingles should have is only a small part of the job. The pitch of your roof can limit the types of shingles you use. The minimum pitch required for shingles is 2 12 which means for every 12 inches the roof rises 2 inches.

Roof pitch defined and explained. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. My insurance company says it can t insure that roof because it should have flat roofing material and refer me to icc irc 2006. Or the colon can replace the slash as in 2 12 or 7 12.

Fill out our online form or contact 214 321 9341. Do you need a free estimate for your roof. However you can only use this pitch with built up roofing or specialized synthetic roofing. Mike asks i just bought a house with a roof section that has a low 1 2 pitch should i use rubber roofing or are shingles acceptable asphalt shingles usually require a 4 or greater rise for every horizontal foot of run though it s possible to use them on a lower sloped roof.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Pitched roofs can also be used to incorporate roof lights angled in a specific direction or dormer windows. Explore the rest of our website for more educational tips. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run.

Installation on roof slopes below a 2 in 12 pitch is not recommended at all. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12. I have a six square 2 12 pitch patio roof installed by a previous owner who used 3 tab shingles. Any slope that has a pitch less than 2 12 is too flat for shingles and should be covered with flat roof materials such as tpo pvc epdm rubber or others.

A word of caution. Artists commonly use north facing roof lights to allow cool light into their studios. If you re going to take the leap and try it yourself. If you have a roof that is just above the minimum pitch you still may better off using a different product than shingles.

There is a lot to know a lot to do and a whole lot to be carried. The asphalt shingle manufactures recommend that you install asphalt shingles on a recommended minimum of 4 in 12 or greater however most manufactures will warrant their shingles down to a 2 in 12 pitch if the recommended installation method is used. Read on for details.