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Commercial roofing involves roofing systems designed for buildings used for commercial purposes such as offices, warehouses, retail stores, and industrial buildings. These systems are typically larger and more complex than residential roofs and require specific materials and expertise.

To find out more about commercial roofing, please contact us for a free, no-obligation quote.

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Proper installation, regular maintenance, and timely repairs are crucial for the longevity and performance of commercial roofing systems. These practices help protect the building, reduce energy costs, and avoid costly disruptions and repairs.

Professional Help

A. When to Hire a Professional

  • For installation, major repairs, and regular maintenance
  • When dealing with complex roofing systems or large-scale issues

B. Benefits

  • Ensures quality workmanship and compliance with building codes
  • Increases the longevity and performance of the roofing system
  • Provides warranties and guarantees for work done
Types of Commercial Roofing Systems Flat Roofs Metal Roofs Green Roofs Asphalt Shingles

Types of Commercial Roofing Systems

A. Flat Roofs

  • EPDM (Ethylene Propylene Diene Monomer)
    • Synthetic rubber membrane
    • Long-lasting (up to 50 years), flexible, and weather-resistant
  • TPO (Thermoplastic Olefin)
    • Single-ply membrane
    • Reflective, energy-efficient, and resistant to UV and chemical exposure
  • PVC (Polyvinyl Chloride)
    • Single-ply membrane
    • Durable, fire-resistant, and chemical-resistant
  • Built-Up Roofing (BUR)
    • Multiple layers of bitumen and reinforcing fabrics
    • Durable and good for heavy foot traffic areas
  • Modified Bitumen
    • Similar to BUR but with added polymers for flexibility
    • Durable and easy to maintain

B. Metal Roofs

  • Standing Seam
    • Interlocking metal panels that run vertically
    • Highly durable and low maintenance
  • Corrugated Metal
    • Wavy metal sheets
    • Cost-effective and durable

C. Green Roofs

  • Vegetative Roofing Systems
    • Layers of vegetation over a waterproof membrane
    • Improves insulation, reduces stormwater runoff, and enhances building aesthetics

D. Asphalt Shingles

  • Used occasionally for small commercial buildings
    • Cost-effective and easy to install

Common Issues and Repairs

A. Leaks

  • Caused by punctures, membrane shrinkage, or poor installation
  • Repair with patches, sealant, or membrane replacement

B. Ponding Water

  • Due to poor drainage or roof slope
  • Address by improving drainage systems or installing tapered insulation

C. Roof Membrane Damage

  • Cracks, blisters, or punctures
  • Repair with patches, sealants, or membrane replacement

D. Flashing Failures

  • Improper or deteriorated flashing around edges, vents, or chimneys
  • Repair or replace flashing to prevent leaks

E. Thermal Expansion and Contraction

  • Can cause membrane or metal roof panels to crack or become loose
  • Use flexible materials and proper installation techniques to mitigate

Installation Process

A. Preparation

  • Inspect and prepare the roof deck
  • Remove old roofing materials if necessary

B. Installation

  • Apply insulation if required
  • Install the chosen roofing membrane or material
  • Ensure proper sealing and attachment, especially around edges and penetrations

C. Finishing

  • Install flashing and edge details
  • Inspect and test for proper drainage and sealing

Maintenance and Prevention

A. Regular Inspections

  • At least twice a year and after severe weather
  • Check for damage, leaks, and wear

B. Cleaning

  • Remove debris from roof surface and gutters
  • Ensure drains and downspouts are clear

C. Prompt Repairs

  • Address minor issues before they become major problems
  • Use professional services for significant repairs or complex systems

D. Roof Coatings

  • Apply reflective or protective coatings to extend the roof’s life and improve energy efficiency

All Products

Asbestos Removal

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Asbestos Removal

Regulatory Bodies

Assessment and Testing

Careful Removal

Fascias and Soffits

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Fascias and Soffits

Fascias & Soffits Installation

Fascias & Soffits Repairs

Free Quotes

New Roofs

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New Roofs

Quality Assurance

Warranty: 30-50 years

Complete removal of old roofing materials

Flat Roofs – Repairs and Installations

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Flat Roofs – Repairs and Installations

Felt flat roofs

Rubber flat roofs

GRP flat roofs

Warm Roofs

Flat Roof Repairs

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Flat Roof Repairs

Patching & Sealing

Flashing Repairs

Re-sealing Seams


Guttering Repairs

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Guttering Repairs

Guttering Repairs

Structural Damage Prevention

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