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Steep Slope Roofing

STEEP-SLOPE ROOF COVERINGS

The following roof coverings are commonly used on steep-slope roofs:



METAL PANELS AND SHINGLES

When used on slopes greater than 3:12 (25 percent), hydrokinetic or water-shedding panel systems may be used. Hydrostatic (water barrier) systems may also be used. Structural panels may be specified if a solid deck is provided. If a solid deck is not provided, structural panels need to be specified.

Metal shingles are also available in a variety of metals and designs. The performance varies greatly depending upon the product selected.

 

ASPHALT SHINGLES

Shingles are available with either fiberglass or organic reinforcement. Fiberglass-reinforced shingles provide greater fire resistance and are therefore recommended. Asphalt shingle products are typically tested and classified for impact resistance according to UL 2218. This standard provides for four classifications: Class 1, Class 2, class 3 or Class 4. Class 1 provides for the least measured resistance of impact resistance, and Class 4 provides for the relatively greatest level of impact resistance. NRCA suggests designers consider specifying asphalt shingles with Class 3 or Class 4 in regions prone to large-sized hail.



In addition to the traditional three-tab design, laminated (structural) shingles are available where a different appearance is desired. Product standard ASTM D3462 has limited criteria to distinguish various products in the marketplace. Therefore, warranty duration is normally used to attempt to distinguish commodity products from those that offer longer service life. However, the warranty duration is not necessarily an indication of performance. Shingles with a minimum warranty of 25 years are recommended.

 

SLATE

Natural slates have the potential to offer several decades of service life. If slate is specified, a very durable underlayment is recommended, so that it does not prematurely degrade. Specifiers are cautioned that synthetic materials are often marketed as slate. Some of these products are made from slate particles, while others are made from polymers or other materials. Synthetics should not be expected to offer a service life equivalent to natural slate.

 

TILE

Tiles can either be made from clay or concrete. Tiles typically can be expected to offer a longer service life than asphalt shingles. However, tiles are heavy and more costly than shingles.

At Coating System Solutions, our team has decades of roofing experience and are ready to be your go-to option for your roofing project. Our proprietary solutions assure that your building will save energy, reduces maintenance, and increases the sustainability of your roof. We guarantee only the highest quality and best results for your roofing project.



Reach out to Coating System Solutions today to receive a free quote.





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