Updated June 2026

Best Flat & Low-Slope Roofing Contractors in Gilbert

The 9 best flat & low-slope roofing contractors serving Gilbert, AZ — independently researched and ranked. No paid placements.

Flat and low-slope roofing in Gilbert relies on membrane systems — TPO, EPDM, modified bitumen, and built-up roofing — common on commercial buildings and many modern homes. The 9 contractors below were selected from our full Gilbert top 10 as the strongest for flat & low-slope work, ranked by experience, manufacturer certifications, BBB standing, and verified reputation.

Gilbert's desert climate creates a demanding testing ground for flat and low-slope roofing membranes. Summer surface temperatures on an unprotected dark membrane can reach levels that dramatically accelerate material degradation, which is why TPO and foam spray systems dominate the local low-slope market rather than the modified bitumen systems more common in cooler climates. The town's master-planned commercial districts and newer residential construction feature a high proportion of flat and low-slope rooflines, making competent flat-roof specialists a genuine local need rather than a niche offering.

Monsoon season introduces a secondary challenge: brief but intense rainfall events that can overwhelm inadequate drain sizing on flat roofs, leading to ponding water that tests seam integrity in membrane systems. Gilbert's ROC-licensed flat-roof contractors work within these seasonal realities, sizing overflow drains appropriately and paying particular attention to parapet flashing details where wind-driven rain makes water management most critical during late summer storms.

Quick Comparison

Rank Company Specialty Experience BBB Website
1 Jim Brown and Sons Roofing (JBS Roofing) Best Overall Since 1982 A+ Accredited Visit
2 Behmer Roofing & Sheet Metal Most Established AZ since 2003 A+ Rated Visit
3 Payne Roofing Best for Tile & Foam Since 1984 Listed Visit
4 Lyons Roofing Most Certified Since 1993 A+ Accredited Visit
5 Overson Roofing Best Local Reputation Since 1977 A+ Accredited Visit
6 Right Way Roofing, Inc. Best for Flat & Foam Roofs 20+ Yrs A Accredited Visit
7 Advanced Roofing, LLC Best for Storm & Insurance Claims 12+ Yrs A+ Accredited Visit
8 Weather-Tech Roofing, LLC Best for Roof Repairs Local A+ Accredited Visit
9 Arizona Roofing Systems Best for Commercial 30+ Yrs Listed Visit

Detailed Reviews

#2

Behmer Roofing & Sheet Metal

Most Established
ExperienceArizona since 2003 (4th-generation, family roots to 1939)
BBB StatusA+ Rated
SpecialtyTile, Metal & Specialty Roofing
Service AreaGilbert & the Phoenix Valley

A fourth-generation roofing family whose trade dates to 1939, the Behmers brought the business to Arizona in 2003 and now operate out of Scottsdale serving Gilbert and the wider Valley. The company specializes in tile re-roofs, shingle work, metal re-roofing, flat and low-slope systems, plus SPF foam and coatings, leak detection, and storm and wind damage assessment. Behmer is licensed, bonded and insured in Arizona, carries an A+ rating with the Better Business Bureau, and is a member of the Arizona Roofing Contractors Association.

Tile Roofing Metal Roofing Shingle Roofing Flat & Low-Slope Roofing Foam & Coatings Roof Repair Leak Detection Storm Damage
Visit Behmer Roofing & Sheet Metal
#3

Payne Roofing

Best for Tile & Foam
ExperienceSince 1984 (40+ Years)
BBB StatusListed
SpecialtyResidential & Commercial
Service AreaGilbert & the East Valley

Operating in the Phoenix Valley since 1984, Payne Roofing is locally owned with an office in Gilbert and works across asphalt shingle, tile, flat and polyurethane spray-foam systems for both homes and commercial buildings. The company carries multiple Arizona ROC licenses (#138549 and #194202), is a member of the Arizona Roofing Contractors Association, and partners with tile manufacturers including Boral and Eagle. Gilbert is one of its listed service areas alongside Chandler, Mesa and San Tan Valley.

Tile Roofing Foam Roofing Shingle Roofing Flat Roofing Commercial Roofing Roof Repair Roof Replacement Roof Maintenance
Visit Payne Roofing
#4

Lyons Roofing

Most Certified
ExperienceSince 1993 (30+ Years)
BBB StatusA+ Accredited
SpecialtyResidential & Commercial
Service AreaGilbert & Greater Phoenix

In business since 1993, Lyons Roofing serves Gilbert from its Phoenix location and works on tile, shingle, shake, flat and foam systems for residential clients plus flat-membrane, foam and pitched commercial roofs. It is GAF certified, holds Arizona ROC #348074, and is BBB Accredited with an A+ rating. The company is a Rosie on the House certified partner and has earned the BBB Torch Award for Ethics, Angi Super Service and Best of Houzz recognition.

Tile Roofing Shingle Roofing Foam Roofing Flat & Commercial Roofing Roof Repair Roof Replacement Roof Inspections Roof Maintenance
Visit Lyons Roofing
#5

Overson Roofing

Best Local Reputation
ExperienceFamily roofing since 1977; company founded 2005
BBB StatusA+ Accredited
SpecialtyResidential & Commercial
Service AreaMesa & Phoenix metro incl. Gilbert

The Overson family has been meeting Phoenix-area roofing needs since 1977, with the current company founded in 2005 and run out of neighboring Mesa by founder Pat Overson and son Brett. They install shingle, tile and spray-foam roofs, handle hail-damage restoration and attic ventilation, and offer commercial built-up and foam systems. Overson is an Arizona Roofing Contractors Association member, holds ROC #207860, and is BBB Accredited with an A+ rating and a BBB Torch Award for Ethics.

Tile Roofing Shingle Roofing Foam Roofing Hail Damage Restoration Roof Repair Roof Replacement Attic Ventilation Commercial Roofing
Visit Overson Roofing
#6

Right Way Roofing, Inc.

Best for Flat & Foam Roofs
Experience20+ Years
BBB StatusA Accredited
SpecialtyResidential & Commercial
Service AreaPhoenix Valley incl. Gilbert

With more than 20 years in the trade and a primary office in nearby Mesa, Right Way Roofing is run by third-generation roofers Johnnie and Lori Clark and serves Gilbert and the wider Phoenix Valley with particular depth in spray-foam and flat roofing for both commercial buildings and flat-roofed homes. The company also handles tile and shingle work, replacements, repairs and inspections. It is licensed, bonded and insured under Arizona ROC #188504 (CR-42) and is BBB Accredited with an A rating.

Foam Roofing Flat Roofing Tile Roofing Shingle Roofing Commercial Roofing Roof Repair Roof Replacement Roof Inspections
Visit Right Way Roofing, Inc.
#7

Advanced Roofing, LLC

Best for Storm & Insurance Claims
Experience12+ Years
BBB StatusA+ Accredited
SpecialtyResidential & Commercial
Service AreaGilbert & East Valley

Based in Gilbert's East Valley with a second location in Rio Rico, Advanced Roofing brings over 12 years of experience to shingle, tile, metal, foam and flat installs, repairs, coatings, and storm-damage and insurance-claim work. The company is a certified Owens Corning contractor, is licensed, bonded and insured under Arizona ROC #311509 (Specialty Dual CR-42), and is BBB Accredited with an A+ rating.

Storm Damage Roof Replacement Roof Repair Tile Roofing Metal Roofing Foam Roofing Roof Coatings Insurance Claim Assistance
Visit Advanced Roofing, LLC
#8

Weather-Tech Roofing, LLC

Best for Roof Repairs
ExperienceFourth-generation construction family
BBB StatusA+ Accredited
SpecialtyResidential & Commercial
Service AreaGilbert & the East Valley

A fourth-generation construction family, Weather-Tech Roofing serves Gilbert with a focus on roof repair, maintenance and replacement across tile, shingle and flat residential systems plus foam roofing and elastomeric coatings on the commercial side. The company is a licensed Arizona contractor under ROC #343674 and is BBB Accredited with an A+ rating.

Roof Repair Tile Roofing Shingle Roofing Flat Roofing Foam Roofing Roof Coatings Roof Replacement Roof Maintenance
Visit Weather-Tech Roofing, LLC
#9

Arizona Roofing Systems

Best for Commercial
Experience30+ Years
BBB StatusListed
SpecialtyCommercial & Residential
Service AreaGilbert & the East Valley

With over 30 years serving the Phoenix Valley from nearby Mesa, Arizona Roofing Systems covers Gilbert with a broad commercial portfolio including TPO/PVC, modified bitumen, metal and walk-deck systems, alongside residential shingle, tile, foam and flat roofs. The company offers commercial maintenance plans, emergency repairs and inspections, and is a licensed, bonded and insured Arizona roofer.

Commercial Roofing TPO & PVC Roofing Metal Roofing Foam Roofing Tile Roofing Shingle Roofing Roof Repair Roof Maintenance
Visit Arizona Roofing Systems

Flat and Low-Slope Roofing in Gilbert's Desert Heat Environment

When an existing membrane shows blistering or surface cracking from UV exposure

Gilbert's intense ultraviolet radiation degrades unprotected membranes faster than in most US markets. Blistering, alligatoring, or visible surface erosion are signs that a membrane has exceeded its effective life. A flat-roof specialist can confirm whether a coating restoration can extend service life or whether the system requires full replacement down to the deck.

After monsoon ponding has been observed lasting more than 48 hours

Some degree of temporary ponding is acceptable, but water sitting on a flat roof beyond 48 hours signals inadequate drainage slope or blocked drain paths. A flat-roof contractor can assess whether drain relocation, tapered insulation board, or crickets around equipment curbs will resolve the issue before membrane damage from sustained saturation becomes irreversible.

For new commercial or mixed-use construction in Gilbert's growth corridors

Gilbert's expanding commercial and mixed-use zones often specify low-slope roofing systems in the design documents, with energy code compliance requirements that favor reflective TPO or sprayed polyurethane foam with reflective topcoats. Specifying the right system from design stage avoids costly substitutions during construction inspections.

Frequently Asked Questions

How many flat & low-slope roofing contractors are in Gilbert?

Our directory lists 9 independently verified flat & low-slope roofing contractors serving Gilbert, Arizona, ranked by experience, certifications and reputation. Jim Brown and Sons Roofing (JBS Roofing) is ranked #1. There are no paid placements.

How do I choose a flat & low-slope roofer in Gilbert?

Confirm licensing and insurance for Arizona, ask for flat & low-slope project references in Gilbert, get multiple written quotes, and check each contractor's BBB standing. Every company listed here has been independently researched.

Is spray polyurethane foam or TPO a better choice for a flat roof in Gilbert?

Both are viable in Gilbert's desert climate, but they serve different situations. Spray polyurethane foam with a reflective elastomeric topcoat excels at adding insulation value and conforming to complex roof geometry, and it restores well without full tear-off. TPO offers strong seam strength and documented longevity on simpler flat decks. The best choice depends on deck condition, existing insulation, and whether drain relocation is needed.

How often should a flat roof in Gilbert be inspected?

At minimum, a professional inspection should occur once annually — ideally before monsoon season in early summer. After any hailstorm or high-wind event, an additional inspection is warranted because even small impact punctures in a membrane can admit water that migrates laterally before showing as an interior stain. Early detection keeps repair scopes small.

What should a flat-roof proposal in Gilbert include that a standard quote might omit?

A thorough flat-roof proposal should address drain condition and sizing, parapet cap flashing, equipment curb flashing, and penetration seals — not just the field membrane. In Gilbert's monsoon environment, weak points at transitions and curbs are where failures originate. Confirm that the proposal specifies material weight per square, seam method, and whether an infrared moisture scan of the existing insulation is included before any overlay is applied.

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