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Flat roofing systems are the most common roofing systems used for commercial buildings in the United States.  They have low initial costs and if well maintained can provide many years of reliable service to the businesses they cover. At Perdomo Roofing & Sheetmetal, LLC we offer the following types of flat roof systems:

  • Styrene-Butadiene-Styrene (SBS) Modified Bituminous Membrane Roofing
  • Self-Adhering Modified Bituminous Membrane Roofing
  • Atactic-Polypropylene (APP) Modified Bituminous Membrane Roofing

These types of roofs are built up which adds to its flexibility and strength.  Built up roofing is sometimes simply called the BUR method.  Essentially the roof is constructed by taking layers of treated felt and treating them between layers with molten asphalt or tar pitch. The self adhesive membrane roofing can be applied in as little as one or two layers.

In hot areas like New Orleans, UV protection is an important component in any flat roof system. Modified Bituminous Membrane roofing offers superior resistance to the rays of the sun. The roof is constructed using asphalt and special polymers. Various finishes are available such as gravel or a smooth and reflective coating available in various colors.

Single Ply Systems
Single Ply membrane flat roof systems can be effective but since there is only one layer, it is
especially important that the roof be properly applied and sealed.  Membranes come in various widths. Where the seams overlap it is especially important to seal well, as this is where most of the leaks that occur in all flat roof systems, occur. Single ply systems still provide some insulation value, depending upon how thick the underlayment used is. Single ply membranes are usually laid over foam insulation board. A single ply membrane system can be applied quickly so it is sometimes the best option for those that need to get their roof down in a hurry.

Proper flashing of a flat roof is essential to preventing future leaks and damage. Perdomo Roofing & Sheetmetal, LLC are experts at making sure that your flashing is done completely and correctly.

Special Concerns
Flat roofs are a great solution for many applications but they do need to be maintained more than other roofing systems such as metal. They should be visually inspected regularly for any signs of abrasion, cracks, or missing pieces from impacts. It can be harder to spot problems since the roof is for the most part hidden unless someone gets up on it. Also when flat roofs leak the damage can be very extensive before anything is noticeable on the inside of the building. However, all roofs should be routinely evaluated and the benefits of a flat roof for a building far outweigh the potential problems. Worth mentioning is the fact that sometimes flat roofs have gained a bad reputation in the past for leaks and being hard to maintain. This is largely due to hiring of improperly trained and uncertified roofers that make costly mistakes such as not adhering or sealing the roof properly to being with. It is important when designing and implementing any flat roof systems that you consult with a dedicated and knowledgeable professional that can plan out a flat roof system so that you can avoid any of the problems that can occur when a flat roof is not properly designed. Perdomo Roofing & Sheetmetal, LLC have been installing roofs in the New Orleans and surrounding areas for a decade. With an “A” grade on Angie’s List, you can be assured that we will make sure that your flat roof is watertight and drains as it should. We guarantee your 100% satisfaction with the quality of our work.


Flat Roofing

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