Low Pitched Shingle Roof Installation

These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch.

Low pitched shingle roof installation.

A corresponding editor paul fisette replies. The cabo one and two family dwelling code permits the installation of asphalt shingles on roofs with a slope as low as 2 12 if the shingles are double coverage self sealing versions. At nelson contracting we proudly offer and install gaf asphalt shingles for both high and low pitch roofs. The acceptable underlayment installation options for low slopes are described in the canadian standards association asphalt shingle application standard csa a123 51 as follows.

However low slope installation means we take everything from job site safety and panel seaming to water and ice shield into consideration. Traditional 3 tab shingles made with asphalt composite are the most popular type of shingle and are the most flexible in terms of adapting to many roof pitches. The main consideration when installing a low slope roof is leak prevention. As well a slope of 4 12 is most commonly considered the lowest slope for standard shingle installations.

Drip edge or drip cap is either plastic or sheet metal. 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. But other than that a higher roof slope is much better for the shingles. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.

Then apply standard asphalt shingles over the membrane. Install peel and stick roofing in a similar manner. Shingles that are not self sealing must be hand sealed with asphalt roofing cement. I have to say having a low roof slope sure makes it more comfortable to install the shingles.

Install roll roofing when the temperature is at least 50 degrees fahrenheit to keep the material from cracking. What are gaf asphalt shingles. It not only protects the roof but it also protects the fascia. 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.

That way water flows from the shingles onto the flange and continuing to flow down slope it flows back on the shingles.