Rapid City Roofing & Storm
Rapid City Roofing & Storm crew at work in Rapid City, SD
Rapid City, SD · Roofing & Storm Damage Repair

Commercial Flat Roofing in Rapid City, SD

TPO, EPDM, and modified-bitumen systems for low-slope commercial buildings, shops, and ranch metal roofs across the Black Hills. Call (605) 555-0700 for a quote.

  • Licensed & Insured
  • Free Roof Inspection
  • Insurance Claim Help
  • Workmanship Warranty
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About Our Commercial Flat Roofing

Commercial roofing in Rapid City runs $25,000 to $250,000 depending on the size and type of the building, and choosing the right system is what keeps a business dry and open. Low-slope and flat commercial roofs fail differently than steep residential roofs: they pond water, split at seams, and lose adhesion under the Black Hills' wide temperature swings. The right membrane, installed correctly, is the difference between a roof that lasts decades and one that leaks into your inventory every spring.

Commercial buildings across Rapid City face hard conditions. Flat roofs hold snow and ponded meltwater that find every weak seam. Hail and high plains wind punish exposed membranes. Big daily and seasonal temperature swings expand and contract the roof, working seams and flashing loose over time. Shops, ranch buildings, and metal roofs out in Piedmont, Wall, and Hermosa take direct wind and hail with no windbreak, and a single failed seam can shut down operations.

We install and repair the systems built for these roofs: TPO and EPDM single-ply membranes for low-slope buildings, modified bitumen for high-traffic and detail-heavy roofs, and repairs and re-coats for ranch and shop metal roofs. We start with an inspection and a clear scope, then install with proper seam welding, flashing, and drainage so water leaves the roof instead of sitting on it. Where storm damage is involved, we document it and help coordinate your insurance claim.

We handle commercial roofing across Rapid City, Box Elder, Black Hawk, Summerset, Piedmont, Sturgis, Spearfish, Deadwood, Lead, Hill City, Custer, Belle Fourche, Hermosa, Hot Springs, and Wall. From a downtown storefront to a ranch shop building, call (605) 555-0700 for a commercial roofing quote that keeps your business covered.

What is included

  • TPO and EPDM single-ply membranes for low-slope roofs
  • Modified-bitumen systems for high-traffic commercial roofs
  • Metal roof repair and re-coats for shops and ranch buildings
  • Proper seam welding, flashing, and drainage to stop ponding
  • Inspection and clear written scope before any work begins
  • Storm-damage documentation and insurance claim coordination
  • Work scheduled to keep your business open and operating
Typical Pricing
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Flat written quote within 24 hours of an on-site visit.
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Our Commercial Process

  1. 1

    Roof Inspection

    Call (605) 555-0700 and we inspect your commercial roof, checking membrane condition, seams, flashing, and drainage across your Rapid City building.

  2. 2

    System & Scope

    We recommend the right system, TPO, EPDM, modified bitumen, or a metal re-coat, and give you a clear written scope and quote.

  3. 3

    Tear-Off or Prep

    We remove the failed roof or prep the existing surface, and address any wet insulation or decking so the new system has a sound base.

  4. 4

    Membrane Install

    We install the membrane with properly welded seams, new flashing, and corrected drainage so water leaves the roof instead of ponding.

  5. 5

    Final Inspection

    We inspect every seam and detail, confirm the roof drains correctly, and document the work, backed by our workmanship guarantee.

Commercial Flat Roofing Questions

  • How much does a commercial roof cost in Rapid City?

    Commercial roofing in Rapid City typically runs $25,000 to $250,000, depending on the square footage, the system you choose, the condition of the existing roof and insulation, and the complexity of the details. We give a clear written scope and quote after inspecting the roof, and storm-related work may be eligible for an insurance claim we help coordinate.

  • What is the best flat roof system for the Black Hills?

    It depends on the building, but TPO and EPDM single-ply membranes are the workhorses for most low-slope commercial roofs here because they handle temperature swings and seal tightly at the seams. Modified bitumen suits detail-heavy or high-traffic roofs. We assess your building and recommend the system that fits your use, budget, and the Black Hills climate.

  • Why does my flat roof keep ponding water?

    Ponding usually comes from inadequate slope, clogged or poorly placed drains, or low spots where insulation has compressed. Standing water finds every weak seam and shortens the life of any membrane. When we re-roof, we correct drainage and add slope where needed so water leaves the roof, which is the single biggest factor in how long a flat roof lasts.

  • Can you repair my metal shop or ranch roof?

    Yes. We repair and re-coat metal roofs on shops, ranch buildings, and commercial structures across the Black Hills. Metal roofs out on open ground in Piedmont, Wall, and Hermosa take direct wind and hail, and we check and reseal seams, replace fasteners, and re-coat to extend the roof's life and stop leaks.

  • Will you work around our business hours?

    We schedule commercial work to keep your business open and operating as much as possible, and we phase the job so sections stay dry and usable. We will talk through the timeline and any access or safety considerations up front so the roof gets replaced with the least possible disruption to your operations.

  • Does insurance cover commercial roof storm damage?

    Commercial property policies often cover sudden hail and wind damage, much like homeowners policies, when you file in a timely way. We document the storm damage with photos, provide a clear scope, and help coordinate your claim with your carrier and adjuster. The final decision belongs to your insurer, but thorough documentation gives the claim its best footing.

  • Licensed & Insured
    Full coverage
  • Our Guarantee
    Manufacturer Shingle Warranty + Workmanship Guarantee
  • Fast Response
    Callback within 1 hour
  • Local Crew
    Serving the Black Hills region

Get a Flat Commercial Quote in Rapid City

Free on-site visit. Written quote within 24 hours. No high-pressure sales.

Call (605) 555-0700Text us