Low Slope Roof Shingles

The majority of north american residential roofs have historically been constructed with a slope between about 4 12 and 9 12.

Low slope roof shingles.

They typically had different underlayment recommendations for low slope roofs 2 12 to 4 12 pitches but that was about it. Some will argue that shingles shouldn t be used for low pitch roofs at all. For a low slope residential roof there are two main options. Some building codes allow as low as a 2 slope with asphalt shingles if additional steps are taken.

I have to say having a low roof slope sure makes it more comfortable to install the shingles. 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. 3 tab shingles versus laminated shingles for low slope roof. The usual slope for asphalt shingles is a 4 or greater rise for every horizontal foot of run.

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. Roofs at the lower end of the range about 4 12 to 6 12 are relatively easy to walk and work on. And by the way the manufacturers instructions i reviewed for the shingles i was interested in buying described installations down to a 2 12 pitch. Iko roof fast 95 base is a self adhesive product that can easily be cold applied on low slope roofs.

However those naysayers would be wrong. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. A 3 per foot slope is considered low but may be acceptable if a double layer of felt is used. Asphalt shingles are an effective roof covering material for sloped roofs that can be successfully used on slopes as low as 2 12.

Residential low slope roofing can generally be divided up into two broad categories. Low slope roofing shingles. A handy roof slope estimator can help you determine if your roof slope is likely too low for shingles. The membrane will outlast the shingles and seal around all nail penetrations.

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. Low slope roofs present a challenge where water is concerned. But other than that a higher roof slope is much better for the shingles. Finding the right products for your low slope roof.