Asphalt Shingle Roof Specifications

4 per shingle minimum 6 per shingle in high wind areas and the coast line.

Asphalt shingle roof specifications.

Find gaf s specifications for timberline hdz here. Size and thickness of a quarter spots of asphalt plastic cement placed under the shingle 51 mm 2 inches above the bottom edge and equally spaced along the shingle. Astm e 108 standard test methods for fire tests of roof coverings. Or stapled with crown width length per manuf.

We can even help you find a professional to install it. 1 2 references continued standards and building codes. Here s a closeup view of an asphalt roof shingle. Yes meets astm d3462 requirements.

Duration series shingles are unrivaled by any other architectural shingles because they feature our patented surenail technology a technological breakthrough in shingle design. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Asphalt shingles can be installed on roof slopes of 2 12 to 4 12 if special procedures are followed for underlayment see details at roofing underlayment best practices or see comments on page 54 in the printed text best practices guide. Owens corning produces high quality asphalt coating asphalt sealants and adhesives for asphalt shingles.

The irc permits the installation of asphalt shingles on continuous sheathing for roofs with slopes as low as 2 12. Asphalt shingles continue to be the most widely installed roof covering option in north america. Experience the total owens corning roofing system and high quality roofing shingles. Roofs with slopes greater than 4 12 require only one layer of underlayment.

The series highlights our popular duration shingles along with up to 7 other duration styles depending on where you live that feature unique performance characteristics. Let owens corning help you determine when it is time for a new roof and then let us help you choose the shingles for your roof that are right for you. All shingles shall be installed by galv. Astm d 4586 standard specification for asphalt roof cement asbestos free.

When this covering is installed on roofs sloped between 2 12 and 4 12 two layers of underlayment are required. Low slope roof specifications for asphalt shingle roofs. Astm c 1549 standard test method for determination of. This type of roof shingle consist of a fiberglass mat saturated on both sides with hot asphalt.

More than 70 of all houses in north america are covered in asphalt roof shingles. Astm d 4869 standard specification for asphalt saturated organic felt shingle underlayment used in roofing. Verify color with owner. The top surface of the shingle includes a granule mineral coating.

Seal down each shingle at time of application with three 25 mm 1 inch diameter approx.