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CALGARY FLAT ROOFING

Flat Roofing

Get it Done Right

Flat roofing is a very specialized type of roof that requires a skilled and certified installer. Installation of a tar and gravel, torch-on roof or other membrane type must be done by an experienced and qualified roofer. A flat roof isn’t ideal for the harsh Calgary climates as it doesn’t shed rain or snow like a sloped roof. There are much tighter tolerances for application techniques and drainage is inherently much slower. This means a poorly installed system will experience leaks or in the worst case, collapse. You don’t want either of those situations, so you need the best flat roofers in Calgary. You need Calgary roofing company, Claw Roofing Specialists.

Modified Bitumen (Mod-Bit) Membrane (Torch On)

Flat roofing is a very specialized type of roof that requires a skilled and certified installer. Installation of a tar and gravel, torch-on roof or other membrane type must be done by an experienced and qualified roofer. A flat roof isn’t ideal for the harsh Calgary climates as it doesn’t shed rain or snow like a sloped roof. There are much tighter tolerances for application techniques and drainage is inherently much slower. This means a poorly installed system will experience leaks or in the worst case, collapse. You don’t want either of those situations, so you need the best flat roofers in Calgary. You need Calgary roofing company, Claw Roofing Specialists.

Built-Up Roofing Membrane (Tar And Gravel)

Built-up roofs are essentially manufactured on site. They consist of multiple layers or plies of various felts (providing redundancy) that are adhered with layers of hot or cold asphalt. Built-up roofs have the longest proven history of effective performance, provide easy maintenance and repair and are very resistant to the elements so long as drainage concerns are addressed.

Single Ply Roofing Membrane

Single-ply systems provide a cost-effective solution appropriate for both new and re-roof projects. The three most common single-ply systems are EPDM, PVC, and TPO as described below:

  • EPDM (Ethylene Propylene Diene Monomer) offers proven reliability. It is installed with adhesive and glued seams.
  • PVC (Polyvinyl Chloride) is especially resistant to chemicals and solvents and is therefore suitable to buildings where these exposures are likely. It is installed with hot-air welded seams.
  • TPO (Thermoplastic Olefin) the newest of the single-ply systems. It is installed with hot-air welded seams.

These systems often consist of a vapour barrier, rooftop insulation and the single layer membrane. They can be installed in several ways from loose-laid and ballasted to fully adhered thus providing solutions for most building types. The availability of many roll sizes and the ease of application allow for large areas of roof to be completed in short periods of time providing cost-effective options. Single-ply roof membranes can be expected to leak and require more maintenance than Built-up Roofing or Modified Bitumen roofing. Single-ply membranes are most suited to commercial/industrial applications because of their low-cost and high-maintenance requirements.

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