Modified Bitumen Roofing in Sioux City, IA
Modified bitumen is a multi-ply asphalt system — the modern evolution of built-up roofing — installed in torch-applied, cold-adhesive, or self-adhered layers. Its redundant plies and strong puncture resistance suit roofs with heavy foot traffic or rooftop equipment, and it pairs well with a reflective cap sheet or coating.
Top Modified Bitumen Roofing Contractors in Sioux City
Listings updated July 2026
Ideal Roofing Co., L.L.C.
Sioux City, IA
Owner-operated commercial roofer in Sioux City, IA — TPO, EPDM & modified bitumen across Iowa, South Dakota & Nebraska....
SL ROOFING & RENOVATIONS
Sioux City, IA
SL Roofing & Renovations provides commercial roofing services in Sioux City, IA, covering flat roofs, metal, and membran...
Boone Brothers Roofing of Iowa
Sioux City, IA
Boone Brothers Roofing of Iowa provides commercial roofing services in Sioux City, IA, specializing in flat and low-slop...
Casey Roofing
Sioux City, IA
Casey Roofing in Sioux City, IA connects facility managers with local commercial roofing techs for flat-roof repair, ins...
Midwest Roofing Contracting
Sioux City, IA
Sioux City commercial & industrial roofer offering metal, TPO, EPDM & modified bitumen for warehouses, retail & mixed-us...
Precision Exteriors & Service LLC
Sioux City, IA
Owner-operated commercial roofer in Sioux City, IA offering flat, mod-bit, and metal roofing, repairs, and storm damage...
Winkler Roofing Inc
Sioux City, IA
Winkler Roofing Inc. delivers TPO, PVC, EPDM & BUR systems for commercial properties across Sioux City, IA — three gener...
Ram Roofing and Solar
Sioux City, IA
Sioux City commercial roofer specializing in Duro-Last systems, coatings, repair, replacement, and commercial solar for...
Old Glory Roofing & Exteriors
Sioux City, IA
Old Glory Roofing serves Sioux City-area commercial properties with roofing, siding & exterior work across IA, NE & SD w...
Kuchel Roofing
Sioux City, IA
Owens Corning Platinum Preferred contractor serving Sioux City, IA with commercial roofing installation, repair, and mai...
DL Roofing & Construction
Sioux City, IA
DL Roofing & Construction provides commercial roofing services in Sioux City, IA, covering TPO, EPDM, metal, and modifie...
Schrunk Roofing LLC
Sioux City, IA
Schrunk Roofing LLC offers licensed commercial roofing in Sioux City, IA — TPO, EPDM, metal & more — with free estimates...
SRS Building Products
Sioux City, IA
SRS Building Products – Sioux City supplies TPO, EPDM, metal & commercial roofing materials with multi-branch support ac...
A&A Roofing & Exteriors Sioux City, IA
Sioux City, IA
A&A Roofing & Exteriors serves Sioux City, IA commercial properties with roofing, storm damage restoration, and exterior...
SR&C Steve's Roofing services & Chimney clean service Ltd
Sioux City, IA
SR&C Steve's Roofing & Chimney Clean Service serves commercial properties in Sioux City, IA with roofing and chimney ser...
Guarantee Roofing & Siding
Sioux City, IA
Elevate Certified Master Contractor & Carlisle-approved commercial roofer serving Sioux City, IA and the tri-state Sioux...
What to Expect from Modified Bitumen 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
Modified Bitumen Roofing Pricing in Sioux City
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 Sioux City contractorsRelated Replacement Services in Sioux City
Frequently Asked Questions — Modified Bitumen Roofing in Sioux City
How much does modified bitumen roofing cost in Sioux City, IA?
Modified Bitumen Roofing costs in Sioux City 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 modified bitumen roofing contractor in Sioux City?
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 modified bitumen 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 modified bitumen 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.