They typically had different underlayment recommendations for low slope roofs 2 12 to 4 12 pitches but that was about it.
Low pitch roofing shingles.
Everything can be done at a distance.
Asphalt shingles should never be applied to roof slopes below 2 12 2 of vertical rise for every 12 of horizontal run or 9 5.
But other than that a higher roof slope is much better for the 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.
Some will argue that shingles shouldn t be used for low pitch roofs at all.
However those naysayers would be wrong.
The first thing to know about your roofing project.
For the smaller residential low slope roofing applications such as garage and porch transitions certainteed offers an excellent solution in our flintlastic sa self adhering sbs modified bitumen roofing system.
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.
3 tab shingles versus laminated shingles for low slope roof.
Iko roof fast base ma is a fiberglass reinforced nailable base with a special film surface designed to be used as one of iko s roof fast low slope roofing components.
For a low slope residential roof there are two main options.
Made of several layers of bitumen surfaces built up roofing is finished by applying an aggregate layer or coating as the top layer.
Most manufacturer and industry recommendations require or at the very least recommend special underlayment or other considerations on roofs between 2 12 and 4 12.
I have to say having a low roof slope sure makes it more comfortable to install the shingles.
Then apply standard asphalt shingles over the membrane.
1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
As well a slope of 4 12 is most commonly considered the lowest slope for standard shingle installations.
This top layer normally is tar over which the gravel is laid.
And your family can remain in the home during the installation or repair.
Built up roofing is the most popular roofing material used on low sloped roofs.
Flintlastic sa products feature easy and clean application and also have granulated surfaces with colors that coordinate with certainteed shingles providing the homeowner with a complete and coordinated solution for roof designs that transition from steep to low slope.
Nearing completion note the shingles installed over the vent flange.
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.
