Flat & Low-Slope Roofing in Corona, CA
Flat and low-slope roofing covers any commercial roof under roughly 3:12 pitch — which is most commercial buildings. Because water drains slowly and ponds, these roofs rely on a continuous waterproof membrane (TPO, PVC, EPDM, modified bitumen, or BUR) and proper drainage rather than the gravity-shedding overlap that works on a steep residential roof.
Top Flat & Low-Slope Roofing Contractors in Corona
Listings updated July 2026
SANCHEZ SINGLE PLY ROOFING CORP
Corona, CA
Sanchez Single Ply Roofing Corp provides licensed commercial roofing in Corona, CA — TPO, EPDM & more for Southern Calif...
Calcom Roofing, Inc.
Corona, CA
CalCom Roofing, Inc. in Corona, CA serves commercial clients across Orange, Riverside & LA Counties with flat roofing, c...
Heritage Pro Roofing
Corona, CA
Corona, CA commercial roofer serving retail, industrial & multifamily assets with TPO, PVC, coatings & Title 24-complian...
Economic Roofing Inc
Corona, CA
Economic Roofing Inc in Corona, CA delivers cost-effective commercial roofing installations, repairs & maintenance for f...
Corona Roofing Experts
Corona, CA
Corona Roofing Experts provides commercial roof repairs, installations & maintenance for office, retail, warehouse & ind...
The Roof Sharks
Corona, CA
Corona, CA commercial roofer offering 24/7 emergency service, flat & low-slope installations, repairs, and maintenance f...
RSP Roofing Company of Corona
Corona, CA
Corona, CA commercial roofer — GAF Master Elite certified, 24/7 emergency response, flat/low-slope systems, coatings, an...
Cali Roofing Solutions
Corona, CA
Corona, CA commercial roofer offering flat roofing, cool coatings & maintenance programs. Owner-operated, licensed, 24-h...
Corona Roofing Solutions
Corona, CA
Licensed Corona, CA commercial roofer offering flat, metal & low-slope systems with leak repair, replacement & 24/7 emer...
Capital Roofing Partners
Corona, CA
Corona, CA-based commercial roofing contractor offering TPO, EPDM, modified bitumen, repair, re-roofing & 24/7 emergency...
AJ ROOFING
Corona, CA
AJ Roofing (Lic. #1015001) serves Corona & the Inland Empire with commercial TPO, modified bitumen & single-ply roofing,...
Peach State Roofing Inc
Corona, CA
Peach State Roofing serves Corona, CA commercial clients with TPO, EPDM, metal & more across 25 U.S. locations, plus Roo...
Tmh Roofing
Corona, CA
TMH Roofing, Inc. serves commercial property managers in Corona & the Inland Empire with flat roof repair, coatings, TPO...
Corona Roofing & Siding
Corona, CA
Corona Roofing & Siding provides flat roof repair, waterproofing, and full replacement for commercial properties in Coro...
American Highland Roofing
Corona, CA
Corona, CA commercial roofer — C-39 licensed, DIR-registered, prevailing-wage compliant. BUR, modified bitumen, flat roo...
Sisco Roofing Tile Roof Repair Specialists
Corona, CA
Sisco Roofing Tile Roof Repair Specialists serves commercial property managers in Corona, CA with repair and restoration...
Corona Prestige Roofing Repair
Corona, CA
Corona Prestige Roofing Repair provides commercial flat and low-slope roofing repair in Corona, CA, serving office, reta...
DECRA Metal Roofing
Corona, CA
DECRA Metal Roofing in Corona, CA offers Class 4 impact, Class A fire-rated stone-coated steel systems for commercial pr...
What to Expect from Flat & Low-Slope Roofing
System recommendation based on building use and budget
Tear-off of the failed roof and deck inspection
Insulation upgrade to current energy code
New manufacturer-backed membrane installed by a certified crew
Final inspection and warranty registration
Flat & Low-Slope Roofing Pricing in Corona
Pricing varies by contractor and project scope
Request quotes from multiple contractors to compare pricing. Factors that affect cost include system size, building type, equipment brand, warranty terms, and urgency. Always ask for an itemized written estimate before authorizing work.
Get free quotes from Corona contractorsRelated Replacement Services in Corona
Frequently Asked Questions — Flat & Low-Slope Roofing in Corona
How much does flat & low-slope roofing cost in Corona, CA?
Flat & Low-Slope Roofing costs in Corona vary based on system size, building type, and scope. Request quotes from multiple contractors through My Roofing Tech to compare pricing. Always ask for itemized written estimates before authorizing any work.
How do I choose the best flat & low-slope roofing contractor in Corona?
Look for contractors with specific experience in commercial roofing (not just residential). Verify their state license, insurance, and bonding, and confirm they're certified and experienced with your roof system. Check reviews from similar commercial properties. Ask about their workmanship warranty and their typical response time for follow-up issues.
How long does flat & low-slope roofing typically take?
The timeline depends on the size and complexity of your roof system and the scope of work. Simple repairs often complete in a few hours. Larger installations and replacements may take several days to a few weeks. Emergency service typically stabilizes the problem within hours even when the permanent fix requires returning with materials.
Is flat & low-slope roofing covered by building insurance?
Generally, sudden storm or accidental damage may be covered by commercial property insurance, while gradual wear and deferred-maintenance issues are not. Contact your insurance provider and ask specifically about coverage for your roof system. A documented inspection report strengthens any claim you file.