Commercial Roof Replacement

Low-slope and steep-slope systems, installed nationwide

Guy Commercialroofreplacement
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Signs You Need a Commercial Roof Replacement

Not every roof problem calls for a full replacement, and not every roof problem should wait for one. Guy Roofing’s inspection is built to tell the difference, but these are the signals worth calling about:

  • Leaks that keep coming back in the same area, or new leaks appearing after every storm
  • Ponding water that doesn’t drain within 48 hours
  • Visible membrane, flashing, or material deterioration, such as cracking, blistering, or exposed seams
  • Repairs are becoming more frequent, or more expensive, than they used to be
  • Warranty has expired or is close to it
  • The roof is approaching the end of its expected service life for its material type (most commercial roofing systems last roughly 15 to 30 years depending on material and climate exposure, according to the National Roofing Contractors Association, or NRCA)

If any of these sound familiar, a professional inspection, not a guess, is the fastest way to know whether you need a repair or a full commercial roof replacement.

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How Guy Roofing Plans Your Commercial Roof Replacement

Every commercial roof replacement starts with a plan built around your building and your operations, not a generic template. Before work begins, Guy Roofing evaluates:

  • The current condition of your roof, using non-destructive testing, scanning, and drone imaging
  • Your local climate and how it affects material choice and roof lifespan
  • Your facility’s needs, including what’s inside the building, your budget, and how long you plan to own or occupy it
  • Your timeline, including any operational windows you need us to work around
  • Safety requirements specific to your site, including occupied spaces, rooftop equipment, adjacent tenants, and complicated rooflines

Guy Roofing’s Director of Safety writes site-specific safety plans in both English and Spanish before any crew steps on the roof.

The Commercial Roof Replacement Process

Inspection

Inspection

Non-destructive testing, including scanning, drone imaging, and moisture surveys, identifies weak spots, trapped moisture, and structural concerns, and benchmarks how much service life the current roof has left.

Proposal and planning

Proposal and planning

You receive a customized replacement plan and itemized estimate. Once approved, Guy Roofing orders materials, secures permits, and finalizes the safety plan for your site.

Installation

Installation

A full-time superintendent oversees every phase of the work, from tear-off to final walk-through. Guy Roofing’s own fleet of trucks, cranes, and lifts is sized to keep large commercial and industrial projects on schedule.

Roofing Systems We Install

Guy Roofing is authorized to install every major commercial roofing system, low-slope and steep-slope alike.

  • Single-Ply Membrane: UV-resistant roofing available in several materials
  • Modified Bitumen: A highly durable asphalt-based roofing system
  • Built-Up Roofing: A multi-layered reinforced roofing system
  • Metal: Outstanding durability, design flexibility, and low lifecycle cost
  • Shingle: Cost-effective, widely used across multifamily and institutional buildings
  • Steep Slope Specialty Systems: Tile, slate, and other architectural steep-slope systems

Recent Roof Replacements:

Greer, SC

Greer, SC

Greer, SC

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San Diego, CA

San Diego, CA

San Diego, CA

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San Antonio, TX

San Antonio, TX

San Antonio, TX

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Get In Touch

We're your guys! For questions, more information, or to schedule a free inspection and estimate, contact us today.