Roof Coating

ULTIMATE PROTECTION FROM EXTERNAL ELEMENTS

 

Whether you are building a new flat roof or replacing an existing one, Westeco Coatings has your building project covered. Our cost-competitive polyurea roofing solutions not only reduce maintenance costs on an ongoing basis and greatly extend the service life of your roof, they also reduce costs from an energy efficiency standpoint. 

Our polyurea roofing systems are extremely flexible, very durable, and truly seamless across the entire roof surface and right up parapet walls and penetrating roofing features.  Polyurea creates a virtually indestructible, durable, roofing systems built to last a lifetime. 

Call us today to see how we can cap off your building project forever.

Polyurea Coatings

Polyurea seamless coating technology constitutes a more recent and advanced system than the traditional ones used in waterproofing and protective coating applications. However, it is not a new technology. In fact, it has been around and in use for three decades. Polyurea waterproof roof coatings represent one of the toughest corrosion and weather erosion-resistant solutions available providing a seamless and durable coating to increase the operational life of what they protect.

Unique Benefits of Polyurea Roof Coatings:

  • Excellent not only for new builds, but also for repairing and reroofing systems (tar and gravel, torch-on/modified bitumen, TPO, PVC, EPDM, etc.) that are leaking or worn out, all without stripping the old system and sending to the landfill.

  • Truly seamless integration of details such as vents, upturns and mechanical units, even where the roof meets curved or vertical surfaces such as parapet walls.
  • Exceptional mechanical properties like elongation, tensile strength, tear strength, abrasion resistance and crack-bridging ability.
  • Rapid application means return to service happens significantly faster than with traditional roofing systems. Provides protection from everyday environmental damage, as well as protects against storm and debris damage to your roofing system.
  • Can be applied in a wider range of application conditions, including during high humidity and very low temperatures.
  • 100% solids formula that contains no solvents or volatile organic compounds (VOC’s), which means no harmful vapours or obnoxious odours.
  • The application process is also environmentally friendly, with no out-gassing occurring during the spraying procedure.
  • Excellent for restoration and reroofing with good adhesion to a variety of different substrates (concrete, metals, wood, mod bit, TPO, PVC, EPDM, BUR etc.)
  • Root resistant for green roofs.

Why Roofing Systems Fail 

Traditional flat and low-slope roofing products (Torch-on, tar and gravel, SBS, EPDM, PVC, etc.) fail due to the following:

  • Separation at Seams

Traditional roofing products such as Torch-on, SBS, EPDM, and PVC all have one vital flaw: they are not truly seamless. Even though the individual sheets of these products are heat welded or glued together, they ultimately are not a one-piece installation. Natural expansion and contraction caused by temperature fluctuations and freeze/thaw cycles expand small voids or gaps in seams weakening them and potentially opening them right up over time. Polyurea has much higher tensile strength and elasticity (400-900% elongation), meaning it holds up to repeated movement extremely well. During application, each pass of polyurea sprayed is chemically bonded to the last pass, meaning there are no seams at all, even where the roof meets upturns and parapet walls.

  • Standing Water

Often there are areas of an existing roof that just don’t drain as well as they should. When water is left pooling on the surface, it can accelerate wear at the seams as mentioned above. Some materials also have less than ideal water permeability ratings, meaning that over time water will seep into the roofing substrate if it is left sitting in one place for too long. Polyurea, on the other hand, is widely used as the waterproofing membrane in swimming pools, landscaped ponds, and large public aquariums, so you can rest assured knowing no water will be seeping through your roof.

  • Penetrating structures and flashing

Any time a roofing product is applied around an interruption such as a pipe, HVAC unit, vent stack, access hatch, etc. an opportunity for leaks is introduced. Traditional materials all rely on layering separate pieces of the coating up the object and gluing or melting them together. Since polyurea is extremely flexible and is sprayed right up any upturns in one seamless application, there are no seams that can be pulled at or separated over time.

  • Material Failure

Damage from falling objects or roof access, natural expansion and contraction, wind and water erosion, the sun’s ultraviolet radiation, and many other things are all damaging your roof coating over time. Our polyurea roof systems provide optimal protection against all of these influences and outlast virtually all other roof coating systems on the market today.

  • Repairs

Poor workmanship on repair jobs or repairs using mismatched or poor-quality materials don’t fix leaks on a roof, they just make for bigger leaks later. Some roofing products by their nature are just hard to properly repair in the first place, which results in vulnerable sections of your roof. A section of a polyurea roof can be properly prepared and sprayed again if any new roof structures are added or modifications are made, resulting in a truly seamless integration with the rest of the polyurea roof.


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