Bodan Roofing

Tampa Bay's Roofing Company!

Flat Roofs
 

     Although they are not as alluring as slate, tile or wood roofing, a flat roof is still extremely significant and may even require more attention. Flat roof systems work by providing a waterproof covering over a building. Water is then directed to drains, down spouts, and gutters by the slight pitch of the roof. For this reason, flat roofs are more common in areas where there is very little rain.
 
 
 
Types of Flat Roofing Materials

There are four main different types of flat roofing. They are:
  • Built-Up Roofing (BUR)
  • Single Ply Membrane
  • Sprayed Polyurethane Foam (SPF)
  • Roll Asphalt

     Built-Up roofing (BUR) is composed of overlapping rolls of saturated or coated felts, literally built up to form layers. These roofs are designed to last 10 to 30 years, depending on the materials used.

     Single Ply Membrane roofs come in two main types, thermoset membranes and thermoplastic membranes. Warranties of 10 to 12 years are typical, but as with any roofing system, proper installation is crucial and maintenance by the owner is still required.

     Sprayed Polyurethane Foam (SPF) is a seamless roof system consisting of a layer of foam, sealed and protected by a resilient coating. It has been used successfully as a roofing and insulation material for over 30 years.

     Roll Asphalt roofing has been used for the longest. This type of roofing typically consist of one layer of asphalt-saturated organic or Fiberglas felt, applied with nails and cement, and then covered with a mineral surface. Generally, roll asphalt will last about 10 years.





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