MG ROOFING, INC. |2714 Avalon AveMuscle ShoalsAL35661 | (256) 381-0379
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MG ROOFING, INC.
2714 Avalon Ave
Muscle ShoalsAL 35661
 (256) 381-0379
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Best Low Slope Roofing Options for Commercial Buildings

Best Low Slope Roofing Options for Commercial Buildings

Commercial roof assemblies typically consist of three elements, including the roof membrane, roof insulation and the roof deck. Often called flat roofs, low-slope roofing refers to roofing assemblies with a pitch under 3:12. This means the roof must slope upward less than 3 inches for every 1 foot horizontal expanse.

Four types of roofing materials are used for low slope roof systems. Each roof covering offers varying levels of protection from the elements. The best low slope roofing solution for your commercial building depends on the specific needs of your particular building’s construction and uses. Here are the four most common types of low slope roofing materials.

EPDM

EPDM (ethylene propylene diene terpolymer) is one of the most common low slope roofing systems used today. This extremely durable, synthetic rubber membrane is available in reinforced and non-reinforced versions. EPDM can be installed in one of three ways: mechanically attached, ballasted or fully adhered. In any case, the seams between sheets must be adhered with liquid adhesive or specialty tape. After application, EPDM roof coverings may experience problems due to adhesive degradation or poor cleaning prior to application. Using high-quality adhesives and thoroughly cleaning seam areas can help prevent future problems. EPDM roofing can last over 50 years when properly applied.

Thermoplastic/PVC

PVC roofing consists of thermoplastic roofing membranes affixed by heat welding, specialty tape or solvent welding. Seams are extremely durable and leak-proof when properly installed. Therefore PVC roofing is a good choice for low slope roofing in humid areas and locations with high amounts of rainfall. Properly installed PVC roofs can perform well for 30 years or more.

PVC roofing consists of thermoplastic roofing membranes affixed by heat welding, specialty tape or solvent welding. Seams are extremely durable and leak-proof when properly installed. Therefore PVC roofing is a good choice for low slope roofing in humid areas and locations with high amounts of rainfall. Properly installed PVC roofs can perform well for 30 years or more.

Modified Bitumen

Modified bituminous roofing membranes are applied in at least two layers of single-ply sheets. Modified bitumen low slope roofing systems come in two configurations. Polymer-modified bitumen roof systems as a stand-alone roofing solution and multiple-ply hybrid systems that use modified bitumen sheeting for the top layer. Around 17 percent of all commercial roof systems use modified bitumen roofing. Modified bitumen roofing has a lifespan of 10 to 20 years.

Built-up Roofing

Built-up roofing (BUR) has been the standard for flat roofs and low slope roofing systems in the United States for over 100 years. BUR uses multiple layers of overlapping single-ply roofing felt applied with a waterproofing adhesive in two to five layers. Rigid insulation may be used to increase energy efficiency. A surface coating, gravel surfacing or a cap sheet is applied on top to protect the layered membrane. BUR typically lasts 15 to 30 years.

MG Roofing, Inc. supplies high-quality commercial roofing systems for all your roofing needs. Whether you need roof repair, roof replacement or new roofing construction, MG Roofing, Inc. offers trustworthy, experienced contractor services and premium materials for commercial and industrial buildings. Contact us today to schedule your consultation.