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John Mclellan Contracting Professional Certifications
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GAF Authorized Since 2002
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GAF Master Elite Highly Qualified Roofers
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Member of Ajax Pickering
Board of Trade
Trained in Customer Service for the Disabled
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ECO Business: Gold Level
siplast
Flat Roof Certified
velux
Skylight and Sun Tunnel
Installation Specialists
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Certainteed’s
Professional Roofer Council Since 2001
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Siding and Window Dealers
Association of Canada Member
nrca
National Roofing
Contractors Association member
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Award Winner Ajax Pickering
Board of Trade Business
Excellence, 2010
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img01Be aware, “80% of all roofing
contractors will be out of business within the first five years of startup.

Since its inception, the Better Business Bureau has always had roofing listed as the top five category for professions that have received complaints based on the services performed. McLellan Contracting focuses on empowering all of its skilled trades with continuing education whenever available and roofing is no exception.

 
 

Our roofers are Manufacturer Certified to install Roofing Products.

  
 
  • roof_layout GAF Certified Installers:
    Our GAF certification requires retesting every two years, in addition to Master Elite status - top 3% of all shingle installers. (1 of only 2 Master Elite Certified Businesses in Durham Region)
  • We are Member of Certainteeds Professional Roofers Advisory Council for 9 years in a row.
  • We are also Certified Installers of Velux Skylights.

With 17 years experience and hundreds of satisfied roofing customers we guarantee our Roof Renovations

  
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Statistics according to Master Flow roof vents at www.GAF.com