Property Owners With Flat Roofs Need to Consider Alternatives

by | Mar 17, 2020 | Roofing

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If you own a building with a flat roof, then you need to talk to contractors about flat roofing in Gainesville, FL, because you have several alternatives available.

Often called tar and gravel roofs, built-up roofs have been used in the United States for more than 100 years. Hot asphalt tar is mopped onto the surface of these roofs in layers. After two-to-four layers are applied, then pea gravel is put on top to protect the asphalt from the sun’s UV rays and heat.

Another choice is modified Bitumen roofs. These roofs are put down using various hot and cold techniques in two layers. The topcoat on these roofs is usually light gray because the top layer contains a pebbly material to help protect the asphalt bottom layer. The bottom layer is generally put on as rolls of asphalt that are about three feet wide.

Another choice in flat roofing in Gainesville, FL, is rubber roofing. Often called EPDM, these roofs are held in place with large river stones or melted into place. Usually, the roofer will cover the roof with boards before stretching the rubber roofing over it.

Polyurethane foam roofs are sprayed on before they are covered with an elastomeric waterproof top coat. The topcoat is usually reflective to help protect the roof from the sun’s rays. These roofs are generally either gray or white.

Thermoplastic roofing membranes look like a white stretched coating has been applied to the top of the roof.

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