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GAF Master Elite Certified. Licensed in 24 States. BGC installs and repairs commercial roofing systems that keep your building watertight, your tenants comfortable, and your operating costs under control — with zero runaround and a written estimate before we touch anything.
GAF Warranty Options Available Through BGC
Madison Commercial Roofing
Commercial roofing is a different animal than residential. The stakes are higher — a failed flat roof over a warehouse or retail strip means water damage to inventory, disrupted tenants, liability exposure, and repair bills that pile up fast when the underlying issue gets ignored.
BGC has worked on commercial roofs across Wisconsin and 23 other states. We know TPO from EPDM, we understand why a modified bitumen roof on a 15-year-old building behaves differently than a newer one, and we've navigated enough commercial insurance claims to know how to document damage so your adjuster actually approves the scope.
We handle the permits, coordinate with building managers on scheduling, stay OSHA-compliant, and don't disappear after the job is done. If there's a warranty issue, you call the same number you called on day one.
Commercial Roofing Systems
Not every commercial building needs the same roof. We assess your structure, pitch, existing system, and budget before recommending anything. Here's what we work with:
Thermoplastic polyolefin is the go-to for flat and low-slope commercial roofs in Wisconsin. Excellent reflectivity keeps cooling costs down in summer. Highly resistant to punctures, UV, and chemical exposure. BGC welds every seam — no adhesive shortcuts.
The workhorse of cold climates. EPDM holds up through Wisconsin freeze-thaw cycles better than most membranes. Proven 20–30 year lifespan when installed correctly. Best for low-slope roofs on warehouses, churches, and light industrial buildings.
Two-ply modified bitumen systems offer exceptional durability for flat roofs with regular foot traffic — HVAC equipment, solar arrays, or maintenance access. Torch-applied or cold-adhered depending on the application and building code.
For commercial buildings where longevity matters most. Standing seam metal roofs last 40–60 years with minimal maintenance, shed snow efficiently, and can qualify for significant energy incentives. We install on new construction and re-roofing projects.
Multiple layers of reinforcing fabric and asphalt create a thick, highly durable membrane. BUR is time-tested on large flat commercial roofs. We repair existing BUR systems and install new ones where spec requires it.
Sprayed directly onto the existing roof deck — no tear-off required in many cases. SPF creates a seamless, fully adhered insulating layer. Excellent for irregularly shaped roofs and buildings where minimizing disruption matters.
Not every commercial roof needs replacement. Silicone and acrylic coatings can add 10–15 years to a roof that's structurally sound but showing surface wear. We assess honestly — if a coating won't hold, we'll tell you before you spend the money.
Office buildings, retail centers, and multi-family properties with pitched roofs. We install GAF commercial-grade shingles with full system warranties — the same quality and certification standards we bring to residential work.
How It Works
Commercial roof projects require more coordination than residential. Multiple stakeholders, operating hours, access restrictions, and insurance requirements all factor in. Here's how we manage it:
A BGC estimator visits your property, accesses the roof, and documents everything — condition, drainage, penetrations, existing system age, and any immediate problem areas. No charge, no obligation.
You receive a detailed written proposal with scope, materials spec, timeline, and total cost. We explain every line item. No vague estimates, no change orders for things we should have seen on day one.
We pull all required permits and handle insurance claim documentation if storm or hail damage is involved. We work directly with your adjuster and have a track record of getting claims approved at the right scope.
Work is scheduled around your building's operations. Early morning starts, phased work zones, and weekends are all available. Our crews are briefed on your site requirements before they show up.
We walk the completed project with you. Warranty documentation — both manufacturer and workmanship — is delivered in writing before we close the job. You keep a copy. We keep a copy.
Why Commercial Clients Choose BGC
GAF Master Elite is the top tier of contractor certification. To maintain it, we meet ongoing requirements for training, quality, and financial stability. For commercial clients, it means you can access the GAF Golden Pledge® warranty — 25-year workmanship coverage that standard roofers can't offer.
After a hailstorm or wind event, the documentation process is where most building owners lose money. BGC photographs and measures all damage, prepares the claim packet, and communicates directly with your adjuster. We've been through hundreds of commercial claims and know what adjusters look for.
Every BGC crew operates within OSHA safety standards. We carry full general liability and workers' comp insurance — documentation provided before work starts. You're not assuming liability for anything that happens on your roof.
Your building doesn't close while we're re-roofing it. BGC offers early starts, after-hours access, and phased scheduling so your operations continue without disruption. We confirm the daily plan with your facility manager before we're on site.
An active leak over a server room or production floor can't wait for a scheduled estimate. BGC responds to commercial roofing emergencies with fast dispatch, emergency tarping where needed, and immediate damage documentation for insurance purposes.
Every commercial project starts with a signed, detailed contract. Scope is fixed. Materials are specified. Timeline is committed. If something changes — weather, a substrate problem we couldn't see until tear-off — we discuss it with you before we proceed, not after.
System Comparison
Not sure which system fits your building? Here's a quick breakdown. We'll give you a specific recommendation during your free site assessment based on your actual roof condition, budget, and building use.
| System | Lifespan | Best For | Cold Climate | Foot Traffic | Cost Level |
|---|---|---|---|---|---|
| TPO | 20–30 yrs | Flat / low-slope commercial | ✓ Excellent | Limited | Mid |
| EPDM | 20–30 yrs | Warehouses, churches | ✓ Excellent | Limited | Mid-Low |
| Modified Bitumen | 15–25 yrs | High-traffic flat roofs | ✓ Good | ✓ Yes | Mid |
| Metal (Standing Seam) | 40–60 yrs | Durability priority | ✓ Excellent | Limited | High |
| SPF Foam | 20–30 yrs | Irregular shapes, re-roofing | ✓ Good | ✓ With coating | Mid |
| Roof Coating | +10–15 yrs | Extending existing roof life | ✓ Good | No | Low |
BGC will recommend the right system for your specific building after the free assessment — never the most expensive one.
Credentials
These credentials represent real ongoing requirements — not just a badge you earn once and forget. They're why property managers across Wisconsin trust BGC with multi-building commercial portfolios.
GAF Master Elite
GAF Warranty
FORTIFIED GoldReal Google Reviews
"Over the moon happy with Buckshot replacing hail-damaged roof & siding. Friendly, fast & competent. Super skilled carpenter did complicated reconstruction of a greenhouse sunporch roof. Worked within my insurance coverage. My go-to for any future exterior work."
Hail Damage · Insurance Claim · Complex Rebuild"They helped with taking care of all repairs and anything else I had questions about. I highly recommend them — they do it all: roofing, gutters, siding, and garage doors."
Storm Damage · Full Exterior · Great Price"If you want a reliable and responsible contractor — stop searching now. Jeremy has been so amazing helping me get my house back together after the tornado. They show up when they say they will. I'm looking forward to working with Buckshot on many more projects!"
Tornado Damage · Reliable · On ScheduleCommon Questions
Commercial Roofing Service Area
BGC serves commercial clients throughout the Madison metro and across 24 states. Warehouses, retail, office, multi-family, agricultural buildings, churches — if it has a roof and it's in our territory, we'll come assess it.
Also Serving Homeowners
Whether it's a storm-damaged shingle roof, a full residential replacement, or hail damage that needs documenting for insurance — BGC handles homeowner projects with the same certified quality and written guarantees as our commercial work.
Madison, WI Commercial Roofing — Free Site Assessment
Call BGC and talk to an actual person on the team. We'll schedule your free commercial roof assessment, give you a written proposal, and handle everything from permits to warranty documentation.
(866) 642-5600Mon–Fri 7am–7pm · Sat–Sun by Appointment · Emergency Response Available · WI License #DC-080900045