Tpo Roofing Versus Rigid Foam

There are several important factors to consider when choosing between spf and tpo for your new commercial roofing solution.

Tpo roofing versus rigid foam. The panels need to fit together tightly to help prevent warm air from leaving the top of the building. Cost a typical residential tpo roof will cost between 6 50 and 11 50 per sq. For an average 20 000 sq. Foot commercial roof it will usually cost between 3 50 to 7 50 per square foot for epdm and 3 50 to 6 50 per square foot for tpo including materials and labor warranty.

After the roof deck is prepared the rigid foam boards need to be cut to size to fit snugly together on your roof. If you are looking for a cost effective and durable single ply roofing system for your flat or low slope roof a tpo thermoplastic olefin membrane may be a solid energy efficient option. Rigid foam is produced in various size panels 4 ft x 8 ft 4ft x 4ft etc. Spray polyurethane foam it s difficult to differentiate the two single ply membrane and spray polyurethane foam if we don t understand the concept behind each of them.

Installation performance. Starting with the roof membrane we will work down through the system and. Flat roof your. Spray polyurethane foam spf roofing.

Single ply membrane vs. Tpo typically comes in single ply roofing membranes that need to be welded or fastened together at their seams. I recently got a tpo membrane roof for a rooftop walkable area on a large workshop building. Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope.

The name is a bit misleading because rather than being a plastic tpo is actually one of a few different types of rubber usually a blend of polypropylene and ethylene propylene rubber. According to the 2014 2015 national roofing contractors association nrca market study most new projects in the past few years have specified a white tpo roof. Cost single ply membrane roofing. Spf spray polyurethane foam pros.

Just before installing the membrane you typically install a slipsheet a low friction barrier that allows the roofing to expand and contract freely. Highest thermal resistance per unit thickness and eliminates thermal bridging. Thus for an average sized 1 200 sq. In general tpo is a relatively low cost high performing roof membrane when installed the right way.

The walkable area is large and because the door to this area has a low threshold the professional roofing company installers using foam insulation of various thicknesses had trouble getting the best slope on the area. Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof. Heat welded seams provide superior strength. By itself tpo roofing doesn t provide much insulation so many installations include a layer of rigid foam insulation which is secured to the roof with mechanical fasteners or adhesive.

Spray polyurethane foam spf. Tpo roofing systems 101.