Home / Commercial Roofing / Built-Up Roofing (BUR)
— Commercial · Built-Up Roofing (BUR)
Layer on layer of proven protection.
Built-up roofing is the time-tested standard for low-slope commercial roofs, multiple plies bonded into one tough, redundant membrane. We install, repair, and restore BUR with our own crews, no subcontracting. Family-owned since 1979.
Free built-up roof quote
WI & IA · We respond in 2 hours
Free built-up roofing assessment.
Tell us about your building and your roof, whether you need a new BUR system, a repair, or a restoration, and we'll set up a free on-site assessment. You'll get a straight evaluation and a clear, itemized proposal. We respond within 2 hours.
$0Assessment Cost— What Is Built-Up Roofing
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The roof that's stood the test of time.
Built-up roofing, BUR, has protected flat and low-slope commercial buildings for over a century. Its strength is simple: it's not one layer, it's many, bonded into a single thick membrane.
Multiple plies
Layers of reinforcing felt are bonded with bitumen into one membrane. If one layer is compromised, others still protect, that's the redundancy BUR is known for.
Multiple plies
Layers of reinforcing felt are bonded with bitumen into one membrane. If one layer is compromised, others still protect, that's the redundancy BUR is known for.
Tough surfacing
A top layer of gravel or a reflective cap shields the membrane from sun and foot traffic, taking the wear so the waterproofing layers don't have to.
Built for flat roofs
BUR is purpose-made for the large, low-slope roofs found on commercial, industrial, and institutional buildings, where ponding and traffic are realities.
Why it's still specified today: BUR's multi-ply construction gives it a long, proven track record and excellent resistance to water and wear. It remains a trusted choice where durability and a time-tested system matter more than the latest trend. Where BUR fits →
— Why Choose BUR
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When redundancy and durability come first.
BUR isn't the right answer for every building, and we'll tell you honestly when it is. It tends to make the most sense when:
— Why Buckshot For BUR
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Commercial Roofing Done Right
A demanding system installed by people who answer to us.
Built-up roofing is labor-intensive and detail-driven, the plies, the bitumen, and the flashing all have to be done right for the system to deliver. We bring that with our own crews and a family-owned company's accountability, not a rotating cast of subcontractors.
— Repair, Restore, Or Replace?
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Not every roof needs to be torn off.
A full tear-off is expensive and disruptive, so we don't recommend one unless it's truly needed. For your BUR roof, we'll give you the honest call:
— How It Works
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A clear path for your commercial roof.
We keep commercial projects organized and predictable, so you always know what's happening and when.
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Free assessment
We inspect the roof and give you a clear, itemized evaluation and proposal.
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Recommend the right path
Repair, restore, or replace, we recommend what your roof actually needs.
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We do the work
Our own crews install the full system with minimal disruption to your operations.
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Walk & warranty
We walk the finished roof with you and back it with warranty.
— Built-Up Roofing FAQ
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BUR is a multi-ply commercial roofing system, layers of reinforcing felt bonded with bitumen and topped with gravel or a reflective cap. The multiple layers give it redundancy: if one is compromised, others still protect the building. It’s a time-tested choice for flat and low-slope roofs. More on BUR →
It depends on your building’s size, roof condition, the number of plies, surfacing, and access, so a single online figure would mislead. We provide a real, itemized proposal after a free on-site assessment. Free assessment →
Neither is universally “better”, they suit different buildings. BUR offers multi-ply redundancy and a long track record; single-ply membranes like TPO and EPDM offer other advantages. We’ll assess your roof and recommend the right system honestly, not just push one. Compare TPO →
Yes. We repair localized damage, restore or recoat aging membranes, and replace systems that have reached end of life. Often a repair or restoration buys you years before a full replacement is needed, and we’ll tell you honestly which you need. Repair or replace →
We plan commercial projects around your operations to keep disruption to a minimum, coordinating timing, access, and safety so your building keeps running while we work. We’ll lay out the plan in your proposal.
Yes. We document storm or damage to your commercial roof for your claim and work with any insurance carrier. Coverage and approval are determined by your insurer and policy. Commercial repair →
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Commercial roofing at Buckshot.
— What Homeowners Say
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— Home Base
Madison, WI · Centerville, IA
Free Assessment · Built-Up Roofing
Put a proven system on your building.
Whether you need a new built-up roof, a repair, or a restoration to extend the one you have, we'll assess it honestly and give you a clear, itemized proposal. Our own crews, family-owned since 1979, and we work with any insurance carrier.
Buckshot General Contracting is a family-owned exterior contractor (since 1979), headquartered at 621 N Sherman Ave, Suite B5, Madison, WI 53704, and licensed across 24 states. Star ratings and review counts reflect Buckshot customers companywide across our service area, not a single project type. Roofing system suitability, scope, specifications, and cost vary by building and are provided in a written proposal after an on-site assessment; system characteristics described are general to built-up roofing and not a guarantee for a specific roof. Insurance coverage and claim approval are determined by your insurer, not by Buckshot. Estimates and assessments are free with no obligation. Family-Owned Since 1979.