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How a Bad Roofing Job Can Shorten Your Roof’s Lifespan

  • Writer: Tricia Gopi
    Tricia Gopi
  • Jun 27
  • 3 min read

Commercial roofs must be designed and maintained to be strong and reliable. The roof on your restaurant, office, shopping complexes, storage facilities, and any other property must offer protection for the property. Still, it should also facilitate better energy efficiency, longevity, and safety for tenants, employees, and visitors. When a roofing system is poorly installed or not properly maintained, it can lead to costly repairs, operational disruptions, or even the need for an early roof replacement in Vaughan. Investing in high-quality roof repairs and replacement from a trusted roofing company in Vaughan like King Koating will help you protect your property, save you money in the long run and extend the lifespan of your roof.


Here's how a bad roof commercial replacement or repair can affect the lifespan of your roof.


Faulty Installation



roofing company applying roof replacement in Vaughan

One of the leading reasons commercial roofs fail early is improper installation. Unlike residential roofs, commercial roofs often require flat roofing systems with specific materials such as TPO, EPDM, or built-up roofing. Each system has its own installation process, and failure to follow the correct procedures can lead to water pooling, membrane separation, and poor insulation performance.


A reputable roofing company in Vaughan, like King Koating, understands the unique demands of commercial roofing. With over 30 years of experience in commercial roofing, our trusted installation team handles each step with care.


Poor Drainage Planning


Flat and low-slope roofs must be carefully designed to direct water toward drains or scuppers. A bad roofing job may neglect this essential detail, causing water to pool in low areas. Over time, this ponding can weaken roofing membranes, degrade insulation, and even contribute to interior leaks and structural damage.


If you're noticing water accumulation after rainfall, it could be a sign that drainage was not properly considered during installation, which could eventually lead to a failing roof requiring emergency roof replacement in Vaughan if not addressed.


Substandard Materials


Using low-quality roofing materials can also be a major contributor to early deterioration. While it may seem cost-effective in the short term, bargain materials typically do not offer the same durability or resistance to UV rays, temperature fluctuations, or chemical exposure, which are common issues for commercial rooftops. At King Koating, we understand the importance of quality, so our team always sources high-performing materials that are compatible with your building structure and other external elements that can affect the durability and longevity of your roof.


Ventilation and Insulation Issues


Poor insulation or inadequate ventilation in the roof system can lead to overheating, moisture buildup, and increased energy bills. Worse, trapped moisture can compromise the roof structure itself, inviting mold, rust, and wood rot. These problems not only impact building performance but can result in expensive retrofitting if left unchecked.


Lack of Maintenance Planning


A good roofing job doesn't end with installation. The longevity of any commercial roof depends on consistent maintenance and routine inspections. Regular checkups help catch minor issues early, avoiding expensive fixes later. Also, investing in waterproofing for your roof can help prevent water damage and preserve the longevity of your roofing systems.


Skilled Roof Replacements in Vaughan with King Koating


With over 30 years in the business, King Koating is a trusted and reputable roofing company in Vaughan that prioritizes quality materials and workmanship for your repairs, replacements, and more. To learn more about how we can help your business's roof, contact us today.


 
 
 

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