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Single ply is a sheet with a wide width, made of different kinds of materials, which is meant to be installed on low slope roofs. A single ply roofing has very few seams, and unlike asphalt roof systems, these do not require a blowtorch to install. This is because the single ply is already manufactured with your choice of material; thus, a single ply membrane roof might be the right choice for you. Single ply roofing systems come in different material and texture options, based on your choice and requirements. Combined with the fact that these systems can directly be applied to the existing roofing substrate, these are becoming the most sought-after systems. To ensure that your single ply roofing systems will still accomplish their requirements in the many years to come, it is important you get these installed by certified professionals.


The types of single ply roof systems involve TPO, PVC, and EPDM. We will try to explain how each material performs in comparison to the other. The TPO material provides the most resistance to weather among the three single ply roofing system materials, with EPDM performing the second best, while PVC comes in last when it comes to tackling harsh weather conditions.

TPO and PVC perform almost equally in terms of heat reflection. This means that if you stay in areas with a lot of heat coming in, these might be the best options for you. You might want to skip over EPDM if heat reflection is one of your primary requirements since EPDM is not a good heat reflector. PVC, however, provides the best fire resistance among all three materials you can choose for your single ply roof system. TPO comes in a close second, while EPDM is no match for the two in this case. So if you are looking for a material for your single ply roofing that will save you some extra bucks on insurance, TPO or PVC are the way to go.


TPO is one of the highest regarded materials when it comes to a single ply membrane roof. This is because of the many advantages it possesses compared to other materials available for the single ply roofing systems. Another added advantage they provide over the others is their longer lifespan. TPO is the strongest of the three and offers a high puncture resistance, reducing crack development risk in the future. There are different methods of installing single ply roof systems, including mechanical attachment, full adherence, induction welding, and ballasting.

The mechanical attachment method involves fastening the single ply roofing system by first fixing the mounting plates and then applying the flat membrane on top of it. The fully adhered single ply roof system is usually used in low-slope roofs. In this, the single ply roofing is adhered directly to the insulation of the roof. When it is impossible to achieve a mechanical attachment, induction welding can help reduce the amount of fasteners required by 50%. Finally, the ballasted system uses large rubber membranes loosely laid on the insulation and then covered by an approved ballast.