Asphalt Shingle Roof Specifications

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

Asphalt shingle roof specifications.

When this covering is installed on roofs sloped between 2 12 and 4 12 two layers of underlayment are required. Section r301 2 1 requires that asphalt shingles be designed in accordance with section. Here s a closeup view of an asphalt roof shingle. The irc permits the installation of asphalt shingles on continuous sheathing for roofs with slopes as low as 2 12.

Roofs with slopes greater than 4 12 require only one layer of underlayment. Verify color with owner. Experience the total owens corning roofing system and high quality roofing shingles. Find gaf s specifications for timberline hdz here.

More than 70 of all houses in north america are covered in asphalt roof shingles. The top surface of the shingle includes a granule mineral coating. All shingles shall be installed by galv. Or stapled with crown width length per manuf.

Yes meets astm d3462 requirements. 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. Astm d 4586 standard specification for asphalt roof cement asbestos free. 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.

Furnish and install new aluminum coil stock to cover all fascia and roof trim. Asphalt shingles continue to be the most widely installed roof covering option in north america. 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. Roofing nails long note.

Astm c 1549 standard test method for determination of. Owens corning produces high quality asphalt coating asphalt sealants and adhesives for asphalt shingles. This type of roof shingle consist of a fiberglass mat saturated on both sides with hot asphalt. 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.

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. 1 2 references continued standards and building codes. Low slope roof specifications for asphalt shingle roofs.

Astm e 108 standard test methods for fire tests of roof coverings.