Shield 2 12 Pitch Roof

If this isn t practical then perform the same measurement on the underside of the roof.

Shield 2 12 pitch roof.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them. Roof pitch degree table. On 4 12 or greater slopes the balance of the roof shall be one layer of 15 felt.

The remainder of the roof is a 10 12 pitch. What is the minimum slope for an asphalt shingle roof. Asphalt shingles continue to be the most widely installed roof covering option in north america. The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.

Roof pitch defined and explained. Roof pitch designations are comprised of two numbers indicating a ratio. The roof over my deck has leaked ever since i have owned the house. Or the colon can replace the slash as in 2 12 or 7 12.

I have a 1 12 pitched roof over my deck at lake livingston tx. We included a roof pitch chart below the 7 12 example image and the calculator below that. Pitch is the term used to describe the angle slope or slant of your roof. I have recently enlarged the deck roof and want to either use ice water or torch down to eliminate the leaking and glue down roll roofing or fiberglass shingles over that.

I was told that we should use an ice shield block on the entire roof of our 1920 s two story bungalow with a 10 12 pitch and 4 12 pitch dormers. Image 1 12 to 12 12 roof pitch 7 12 pitch. On roof slopes of 2 12 to 4 12 the remainder of the roof shall be two layers of 15 felt applied in shingle fashion or 1 layer of ice dam protection. 2015 international residential code irc r905 1 2 ice barriers.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. 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.