thermal and moisture protection membrane roofing coated foamed roofing sprayed polyurethane foam roofingSprayed Polyurethane Foam Roofing - 07 57 13
| Sponsored by: | Firestone Building Products Co. |
Spray polyurethane foam roofing (SPF) uses two chemicals that when mixed together in the proper proportions cause a chemical reaction resulting in a rapidly expanding foam that cures to a solid very quickly. Skilled installers using special pumping equipment and a regulated spray nozzle can install the foam to a specified thickness. The foam can be installed around roof interruptions and eliminates the need for special flashings. Once cured, the foam is covered with a UV inhibiting silicone layer.
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Tips on Estimating Sprayed Polyurethane Foam Roofing Costs from RSMeans
 | Built-up or single-ply membrane roofing systems are made up of many products and installation trades. Wood blocking at roof perimeters or penetrations, parapet coverings, reglets, roof drains, gutters, downspouts, sheet metal flashing, skylights, smoke vents, and roof hatches all need to be considered along with the roof material. Several different installation trades will need to work together on the roofing system. Inherent difficulties in the scheduling and coordination of various trades must be accounted for when estimating labor costs |
