Shingle Roof Requirements

To acting as a structural diaphragm in certain situations.

Shingle roof requirements.

This requires roofs to resist high and low temperatures rain wind driven rain high winds exposure to ultraviolet radiation and in some areas snow ice formation and hail stones. Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap. Thanks to digital technology all of your decisions and interactions from selecting the right roofer to choosing a shingle to paying the contractor can be done at a distance. The energy star energy efficiency criteria do not include a specification for roof insulation.

And your family can remain in the home during the installation or repair. The first thing to know about your roofing project. There are two simple rules to follow. We require shingle samples from the affected area of the roof to identify that the product was produced by owens corning and to be able to perform any testing to determine if there is a manufacturing defect.

Asphalt saturated felt starting at the eaves and lapping upper courses over lower by a minimum of 2 inches. Vertical joints should lap a minimum of 4 inches and be offset by at least 6 feet in successive rows see figure 2 2 at left. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Above 85 f it is easy to tear the shingles or mar the granular coating.

Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place. As stated in the 2006 ibc roofs must serve to protect the building. On roofs with a slope of 4 12 or greater use a single layer of 15 lb. Reflectivity requirements differ for low slope and steep slope roofs.

Everything can be done at a distance. Energy star certified roof products can help reduce the amount of air conditioning needed in buildings and can reduce peak cooling demand by 10 15 percent. Roof shingles consist of a series of individual overlapping components that when laid together in rows or courses starting at the bottom edge of a roof form a barrier designed to repel water snow and ice. Roof shingles are installed in such a fashion that each seam or joint is overlapped by a shingle further up the roof.

This section implies that asphalt shingles must be manufactured with self sealing asphalt strips for additional securement. Asphalt shingles continue to be the most widely installed roof covering option in north america. Below 40 f shingles are brittle and crack easily when hammered or bent.