Low Slope Roof Shingles

A handy roof slope estimator can help you determine if your roof slope is likely too low for shingles.

Low slope roof shingles.

If you have a low slope roof but would love to have a shingled look rather than other solutions like rolled sheet roofing you are in luck. Visiting my sister marlene in thunder bay this summer 2012 there was as usual a project like every other time. The majority of north american residential roofs have historically been constructed with a slope between about 4 12 and 9 12. Metal roof shingles can only be installed on roof slopes of 3 12 or greater 25 slope.

Residential low slope roofing can generally be divided up into two broad categories. Metal roof shingles minimum roof slope roof pitch r905 4 2. Gaf asphalt shingles combined with the proper underlayment make ideal low slope roof shingles that do an excellent job of preventing water build up and leaking. I recently did a tear off and re shingled a 2 1 2.

Now i happen to have a unique insight on this because i also did a tear off and re shingle of that same roof 22 years prior to this in 1989. Roofs at the lower end of the range about 4 12 to 6 12 are relatively easy to walk and work on. Although surprisingly there was only one leak in the old roof. Also if clay and concrete roof tiles are installed on a roof slope of 2 1 2 12 to 4 12 it shall be provided with a double underlayment application.

12 pitch hipped roof on a small addition on the back of my old house. Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs. With respect to shingle application roof slopes from 2 12 to less than 4 12 18 5 are called low slope roofs while roof slopes of 4 12 or greater are called normal or standard slopes. Larger flat roofed applications low slope such as residential condominium complexes row homes and town houses and smaller applications such as residential porch and garage transitions from the main home where the slope of the roof changes dramatically.

My experience in using asphalt shingles on a low slope roof. Reshingling a low slope roof and a few things not to do this article covers reshingling a low sloped roof and a few things you should avoid when shingling such a roof.