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At On-Top we work with leading manufacturers to offer only the finest in quality roofing products. Our qualified roofers specialize in the following flat and slope roofing systems:


Flat Roofing Systems, including:

  • TPO; PVC and EPDM monolythic membranes

  • Torch-on SBS membranes

  • Vinyl Decking

  • Liquid PolyEurethane Coatings

  • Built-Up/Modified Bitumen, such as tar and gravel

  • Green Roof applications for garden roofs (Sky gardens)

Sloped Roofing Systems, including:

  • Metal Roofing: Standing Seam, Custom cooper, zinc, and baked enamel roof panels of all types.

  • Asphalt Shingles and Laminate shingles

  • Cedar Shakes and Shingles


Siding Systems, include:

  • Metal cladding and some vinyl siding installations


Repairs: If we don’t solve the problem, you don’t pay!
24 Hour emergency phone line #403-613-3640


On-Top Industries Inc. can repair any kind of roof. For repairs that cost under $600 we typically do it on site at first visit and invoice for it after it is solved. For larger more comprehensive repairs we provide quotation and obtain purchase order prior to proceeding.

Maintenance Programs That Save Money

On-Top Industries Ltd. specializes in preventative maintenance programs that will maximize the life of your roof.

Anticipating roof wear and developing a regular inspection and maintenance strategy allows for life cycle planning and budgeting. Time spent evaluating roof type, usage, age, system complexity, and design requirements allow value-based maintenance scheduling that will retain the integrity and extend the life of the roof far beyond warranty periods.

Preventative Maintenance Program

Anticipating roof wear through regular inspection and maintenance allows for life cycle and budget planning. Following an extensive initial inspection and detailed report with photos provided, we recommend a program that includes annual inspection each year accompanied by a written report.

Inspection Services

On-Top Industries Ltd inspection services help identify existing or potential problems while providing information needed to develop an overall maintenance program. We make recommendations for roof repair or replacement that will meet your unique roofing needs and achieve your goals. Our inspection includes:

  • A visual inspection of roof assembly

  • Exterior and internal infrared photos where requested.

  • Core Analysis/ Cut test sampling

  • Explanation of identified defects

  • Life expectancy analysis

  • Recommended action and relevant budgets

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