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Commercial Division

Commercial & Low-Slope Roofing

Flat and low-slope roofing solutions for commercial buildings, retail locations, office parks, and multi-family buildings in Northern California.

A flat commercial roof assembly detailing water drainage systems and membrane coverage

Commercial Solutions

Engineered for Performance & Durability

Commercial properties require specific fire ratings, chemical resistance, and installation techniques designed for low-slope drainage.

GAF TPO Single-Ply

Thermoplastic Polyolefin membranes offer heat-welded seams and high solar reflectivity for lower cooling costs.

Silicone & Acrylic Coatings

Liquid-applied restoration systems that seal minor leaks and restore reflectivity without a full tear-off.

Occupied Building Logistics

We plan, schedule, and isolate work areas to prevent traffic interference or noise disruption for active tenants.

Safety & Compliance

Strict OSHA safety standards, perimeter safety warning lines, and heat-welding safety protocols.

Commercial Systems Confirmados

We specialize in flat-roof assemblies using manufacturer-tested materials.

  • GAF EverGuard® TPO Membrane Systems
  • Silicone Flat Roof Coatings
  • Acrylic Reflective Roof Coatings
  • Low-slope built-up roofing components

Frequently Asked Questions

How long does a commercial TPO roof last?

A properly installed and maintained GAF TPO membrane system can last 20 to 30 years depending on the thickness of the membrane and regional weathering conditions.

Can flat roofs be coated instead of replaced?

Yes. If the underlying insulation layers are dry and the system is structurally sound, a liquid silicone coating can extend the roof life by 10 to 15 years at a fraction of the cost of a full replacement.

Why The Badge Matters

A credential fewer than 2% of contractors hold

GAF invites a select group of roofing contractors in North America to become GAF Master Elite® Contractors. It isn't awarded for volume — it reflects a track record GAF is willing to stand behind with its own warranty.

That backing means qualifying roofs installed by ABC Builders Group can carry enhanced, manufacturer-issued warranty coverage — not just a contractor's workmanship guarantee.

  • GAF Golden Pledge® Limited Warranty on qualifying systems
  • GAF Silver Pledge™ Limited Warranty on qualifying systems
  • GAF System Plus Limited Warranty on qualifying systems
GAF Master Elite Diamond Logo Seal
GAF Master Elite Certified Contractor Certificate Document

Case Studies

Verified Commercial Projects

Examine our commercial installations in Oakland and Santa Rosa.

Aerial view of Oakland TPO Commercial Roofing project
SHEET 01

Commercial TPO Roofing

OAKLAND, CA

Installation of a GAF TPO membrane roofing system on a commercial building.

2 mo.Duration
TPOSystem
CommercialSector
Commercial TPO Roofing project in Santa Rosa
SHEET 02

Commercial TPO Roofing

SANTA ROSA, CA

Installation of a GAF TPO membrane roofing system on a commercial building.

2 mo.Duration
TPOSystem
CommercialSector

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