TPO Flat Roof Systems Phoenix
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TPO Single-Ply Commercial Roofing Systems in Phoenix. There is a lot of confusion about TPO single-ply membrane roofing. Many people think that any ‘single ply’ is the answer to their flat roofing problems. Single-ply roofing membranes have only one thing in common – that is they are single ply or just one layer of membrane that is a waterproofing barrier. The similarity stops there. The most crucial aspect to the reliability and longevity of TPO single ply roofs is the method of attaching overlapping seams together. That is where 99% of flat roof leaks occur.
TPO Roofing Contractors Phoenix
TPO Roofing is the fastest-growing roofing segment in the Phoenix Metro area. Carlisle is the leading supplier of TPO roofing material. Most TPO single-ply roofing is ENERGY-STAR® qualified and Cool Roof Rating Council (CRRC) certified and have been responsible in reducing energy and cooling cost for Commercial buildings.
Commercial Roofing Phoenix
There are 3 most-used single ply membrane types present on the market today: 1: PVC (Ultraviolet-resistant polyvinyl chloride) 2: EPDM rubber (High-performance synthetic rubber compound) 3: TPO: (Thermoplastic Poly Olefin) the most popular today.
What is TPO Roofing?
TPO is a hot-air welded thermo-plastic single-ply roofing membrane produced by numerous manufacturers. TPO was created to be better than EPDM Rubber roofing and cheaper than PVC roofs, while it would still provide all the benefits of hot-air welded seams. It was a good plan, and now TPO membrane covers billions of square feet of roofs and represents a multi-billion-dollar roofing market.
TPO Roofing Pros and Cons
Advantages: Because TPO is a thermoplastic membrane; seams are welded together so it is clean for the installer and can be put on relatively inexpensively. Since so many roofing contractors are jumping on the “TPO Band Wagon” they are driving down the price, which may be good for the property owner... (Unless they have to start cutting corners to make up for the cheap pricing).
Disadvantages: TPO has not been around that long (about 15-16 years) TPO went through at least 2 generations. In the late 1990’s the 1st generation of TPO roofs began to fail. Now, some manufacturers are on their 3rd generation (or major reformulation) of their TPO products. At the same time, TPO’s main rival – PVC roofing membrane such as Duro-Last Roof System, has not changed its formula in over 30 years.
While the manufacturers offer long warranties TPO has no real track record, since it has not been around long. Because TPO is a single layer, it is reliant on a quality installer to provide long leak free performance. If not properly welded, a seam may appear to be fused but can separate. Also, it can easily be damaged and may cause extensive damage once the water is under the membrane and travels. TPO requires an insulation board underneath the membrane. If moisture penetrates the recovery board or insulation board extreme damage may occur, even mold may develop.
REMEMBER: Your roof is only as good as your Phoenix TPO Roof installers. Ask your Phoenix Roofer how much experience their installers have.
TRM Roofing suggest before you decide on a single-ply roof system in Phoenix check out the WSRCA (Western States Roofing Contractors Association) "TPO roof study".