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Sheet Rubber Roofing

Flat or low sloping roofs are notoriously prone to leaking. Traditional roofing shingles cannot provide adequate protection from leaks because they rely on rainwater quickly running off the surface of the roof and not collecting in pools that need to evaporate. Recently developed single ply membrane roofing materials can supply reliable permanent waterproofing for flat roofs. They can insure that rooftop decks and garden spaces will not lead to expensive interior water damage. These membranes are made from specially formulated compounds that are usually synthetic rubber but that can also be PVC plastics. They have been designed to minimize shrinkage and to stand up to adverse weather conditions.

If you are thinking of installing a sheet rubber roof, consider the following:

  • These sheets are either mechanically fastened or glued down to the roof. Special adhesives, solvents, and tapes are part of an installation system that will also include termination bars, flashing materials, and roof drains.
  • The sheets can be manufactured in widths up to 50 feet. This means that any seams which might leak water can usually be eliminated if there are no heating or plumbing vents or pipe openings.
  • Installing these sheets can be an opportunity to upgrade the building’s insulation, as a high performance insulating material can be laid under the membrane before it is put down.
  • These moderately priced roofing systems are generally warranted to last for 20 years.

If you are thinking of incorporating a "green" roof in your building’s design, it will be necessary to install a rubber sheet underneath it.

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