When choosing an industrial and commercial flat roof system, a vast array of options are available.

epdm roof il, epdm coatings il,Some of the most common include:

  • BUR (built-up roofing)
  • Single-Ply Membranes such as EPDM, TPO, and PVC
  • Modified bitumen

There are pros and cons associated with each of these types of commercial flat roof systems, but which choice is the best?

BUR: (Built-Up Roofing)

Built up roofing is the most widely used type of flat roofing available. BUR systems typically consist of alternating layers of bitumen and reinforcing fabrics that form a finished membrane. By far the most popular flat roofing option is asphalt BUR. Composed of multiple layers of reinforcing plies and asphalt, it provides great protection and waterproofs your roof.

Considerations: The degradation of asphalt is a concern. UV rays oxidize asphalt surfaces, and asphalt BURs become brittle and will begin cracking and, eventually, leaking. BUR systems demand regular maintenance and are extremely ineffective when it gets to saving energy.

Single-Ply Roofing Systems:

Single-ply membranes are sheet membranes that are produced in factories and are most often listed as thermoset (EDPM) and thermoplastic (TPO or PVC). The key difference being that thermoset materials are permanently solidified after being heated, but thermoplastic materials, on the other hand, can be softened and hardened repeatedly.

EDPM roofing is a synthetic rubber roof method that is used on low-slope roof exteriors and is most usually used in single-ply roofing. The most common type of this kind of roofing is vulcanized EPDM. During installation, the layers of polymerized rubber are stuck together with a special adhesive.

TPO and PVC are the most common types of thermoplastic roof membranes, which can be repeatedly softened by heating and hardened by cooling. The membranes are joined together by heat welding (melting the membrane sheets together for a far better bond than glue). TPO sheets contain substances that include a colorant, flame retardants, and UV absorbers to attain the desired physical properties.  PVC sheets are made through calendaring, spread coating or extruding. They are bolstered using polyester, glass-fiber mats or scrim and contain plasticizers, stabilizers, and additional additives to obtain flexibility and other desired physical properties. The sheets are usually secured with fasteners, but some installs fully adhere with glue to the substrate.

Considerations: Single-ply membrane roofing is less expensive and easier to install than BUR and is known to be durable and efficient. On the other hand, in typical installations, water can travel underneath and make leak detection tough. Also, there are many seams and other vulnerabilities around protrusions.

Modified Bitumen

Polymer-modified membranes are built out of strengthening fabrics. That way it acts as carriers for hot polymer-modified bitumen as it is formed into a roll material. Like BUR membranes, modified bitumen roof system membranes are made up of multiple layers. These are generally installed as a two-ply system which is almost all the time completely adhered. The surfacing of these membranes includes aggregate surfacing, metal foil-laminate surfacing, mineral surfacing and smooth liquid-applied surfacing.

Considerations: Like built up roofing and EPDM, the black color of bitumen roofs tends to absorb heat rather than reflecting it. Bitumen roofing systems can also be destroyed and prematurely deteriorated from puddling and standing water.

White Roofing Systems Team choose….

Conklin roof team of contractorsFor servicing commercial flat roofs, the members of White Roofing Systems Team prefer the high-quality Conklin roof coating systems for their commercial roofing systems.

Conklin’s roof coating systems are intended to eradicate common problems associated with commercial flat roofs, including continuous leaking and accelerated decay caused by the elements. No matter what type of flat roof you have, Conklin’s flat roof restoration systems can save you tens of thousands of dollars on roof replacement costs.

Conklin roofing systems use a seamless membrane that is extremely long-lasting and leaves no breaches for water to get in. All of the seams, penetrations, and fasteners are firmly sealed with the finest acrylic elastomeric coating available on the market, and it’s all further sealed with a durable fabric reinforcement for further protection.

Conklin’s roofing products have an incredible reputation, 40 years (1977), and are trusted by experts throughout the US. Conklin’s products have an outstanding record in all conditions and are given with non-prorated warranties that include total labor and material costs. Conklin is an industry leader and discovered the first liquid acrylic elastomeric roofing coating.

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