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Commercial Services

Certifications & Professional Standards

J. Glenn Roofing operates to strict professional standards, ensuring every commercial project is delivered safely, efficiently, and to a consistently high level of quality.
Our standards include:

  • Fully insured commercial roofing operations
  • Skilled and experienced roofing professionals
  • Compliance with site safety and jobsite protocols
  • Use of high-quality, commercial-grade roofing materials
  • Consistent quality control across every project

Common Roofing Problems Faced by Commercial Properties

Commercial property owners and managers often face challenges such as:

  • Flat roof leaks causing interior damage or downtime
  • Aging roofing systems nearing the end of their lifespan
  • Poor drainage leading to water pooling and membrane failure
  • Inconsistent workmanship from previous contractors
  • Delays that disrupt business operations
  • Rising maintenance costs from repeated temporary repairs

These issues require structured solutions—not quick fixes.

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Our Roofing Solutions by Business Type

We tailor our commercial roofing services based on the specific needs of each property type:

  • Commercial Buildings & Offices: Durable flat and pitched roofing systems designed to minimize disruption and protect business operations.
  • Retail & Hospitality Properties: Weather-resistant roofing solutions that maintain appearance, safety, and customer-facing standards.
  • Warehouses & Industrial Units: High-performance flat roofing systems built for large spans, drainage efficiency, and long-term durability.
  • Property Managers & Developers: Reliable scheduling, clear communication, and consistent execution across multiple properties or phases.
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Experience & Work Process

Our commercial projects follow a disciplined, professional process designed for efficiency and reliability:

1
Site Assessment & Consultation:

We evaluate roof condition, access requirements, and operational constraints.

2
Clear Scope & Quotation:

Detailed estimates with transparent pricing and realistic timelines.

3
Project Planning & Scheduling:

Work is scheduled to minimize disruption to daily operations.

4
Professional Installation or Repair:

Skilled crews execute the work safely and efficiently.

5
Final Inspection & Sign-Off:

Quality checks ensure performance, compliance, and long-term reliability.

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Explore our recent commercial roofing projects

Our commercial roofing portfolio includes flat roofing installations, roof replacements, repairs, and maintenance across a range of business properties. Each project reflects clean execution, proper detailing, and consistent workmanship.

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Roof Repair Services

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Frequently Asked Questions

The cost of a new roof can vary depending on the size of the property, the type of materials used, and the complexity of the job. We offer free, no-obligation quotes tailored to your exact requirements. Get in touch and we’ll be happy to help.

For most domestic properties, a full roof replacement typically takes between 3 to 5 days, depending on the weather and the complexity of the job. We always aim to minimize disruption and keep you informed throughout the process.

Absolutely. Our team is fully insured, CSCS-certified, and approved by the Federation of Roofing Contractors. We bring a high level of professionalism and craftsmanship to every job.

Yes, we specialise in flat roofing solutions, including felt, GRP fibreglass, and EPDM rubber. Whether you need a new flat roof or repairs to an existing one, we provide long-lasting, weatherproof results.

We cover Exeter and a 25-mile radius, including Topsham, Exmouth, Crediton, Cullompton, Sidmouth, Newton Abbot, and surrounding areas. If you’re not sure whether we serve your area, just give us a call.
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