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The Many Layers of Single Ply Roofing

Commercial roofing options, not just across Texas but across our great nation, include an entire category called “single ply roofing.” The name correctly suggests a single, flexible membrane, but there are far more layers to know with single ply roofing.

Defining Single Ply

When BELDON® Roofing Company puts down a single ply roof on your commercial property, we are using flexible sheets of synthetic materials, manufactured in very large sizes to minimize on-site seaming. Single ply membranes offer amazing strength, unsurpassed durability, and great flexibility.

Single-ply membranes differentiate around two main points:

  • Material
  • Attachment method

Single Ply Material Choices

Thermosets, thermoplastics and modified bitumen make up the categories of single ply roofing materials:

  • ThermosetsEthylene propylene diene monomer, or EPDM (“rubber” roofing), is the overriding favorite of thermoset single plysThermoset single ply materials withstand sunlight (important in Texas heat) and exposure to a lot of common rooftop chemicals
  • Thermoplastics—Polyvinyl chloride, PVC, is the most common thermoplastic, and makes for a nearly impermeable single ply roofing membrane that lasts for many years of reliable service
  • Modified Bitumen—Mixing built-up roofing techniques with single-ply technology, modified bitumen rolls in atactic polypropylene (APP) or styrene butadiene styrene (SBS) are flexible, versatile, and seam-sealed on site.

Selection

Your BELDON® Roofing Company consultant can guide you through the best option for your commercial roofing, based on many factors:

  • Aesthetics
  • Building height
  • Cost
  • Energy efficiency
  • Roof traffic patterns
  • Wind exposure

Attachment

Ballasting, mechanical fastening or a fully adhered roof are three methods of keeping single ply membrane in place. If your BELDON® Roofing Company professional calculates that your roof deck can take the ballast’s weight, a ballasted low-slope roof can work well for you.

If the membrane can be mechanically adhered into steel or wood in the roof deck, this is an excellent method to overcome wind problems. Mechanical fastening works for any slope roof.

Fully adhered single ply roofing is held down with adhesives. This could be hot or cold adhesive, such as hot asphalt, cements or glues. This type of adhesion requires careful maintenance, since a solvent used to seal seams can be easily undone by later repairs with unlike materials.

Choosing

For most commercial property owners, the choices in seemingly simple single ply can be overwhelming. Let BELDON® Roofing Company’s knowledgeable professionals help you select the ideal single ply membrane for your particular situation. Contact BELDON® Roofing Company today to peel back the many layers of single ply roofing.

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