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A1 Roofing Services crew working on a commercial flat roof for a property owner searching from Hanlontown near Mason City

Mason City, IA & North Iowa

Roofing Contractor Serving Hanlontown and Mason City, IA

A1 Roofing Services is a commercial roofing contractor and waterproofing service based in Mason City, IA. David Borntreger leads the owner-operated team. It handles commercial roofs plus residential flat roofs and metal roofing only, with no shingle work, so property owners in Mason City or searching from Hanlontown can tell right away whether it fits their project.

A1 Roofing Services Brings Commercial and Flat Roof Expertise to the Mason City Area

If you own a building in Mason City or you're searching from Hanlontown, here's the straight answer first. A1 Roofing Services is a roofing contractor and waterproofing service, and commercial roofing is our core work. David Borntreger runs an owner-operated crew with no subcontractors. The people who look at your roof are the people who work on it. We maintain, repair, and replace roofs across Iowa and Southern Minnesota.

One more thing before you read any further: we don't touch shingle roofs. Residential work is limited to flat roofs and metal roofing. If you've got a shingle roof, we're not your contractor, and we'd rather tell you that now than waste your time.

Commercial roofs come first. That's where David has spent his career, and it shapes everything we take on. The work covers full replacements, new installs, and repairs on roofs that can still be saved.

  • Commercial roofing, commercial roof repair, and commercial roof replacement
  • Roof repair, roof replacement, roof installation, and new roof installation
  • Flat roof repair and flat roof replacement
  • TPO, EPDM, and PVC roofing installation
  • Metal roofing installation, including standing seam metal roofing

We install TPO, EPDM, and PVC. That matters because no single system fits every building. With all three options available, we can match the roof to your building instead of forcing your building into whatever system we happen to sell.

Metal roofing follows the same principle. Standing seam metal roofing is part of our installation work on commercial buildings and on homes that call for metal.

So who should keep reading? Owners and managers of commercial buildings with flat roofs or metal roofs should. So should homeowners with a flat roof or a metal roof. If that's you, you're in the right place.

Here's the track record, stated once and plainly. A1 Roofing Services brings 25+ years of experience and 500+ buildings roofed. We hold manufacturer-certified contractor status and a 5.0-star Google rating. The business is BBB affiliated and is a licensed roofing contractor based in Mason City, IA.

Those numbers aren't there to impress you. They're there so you know who's climbing onto your roof. David personally leads the team that does the work. You don't get handed off to a crew you've never met, and no outside company shows up in a different truck.

That's the foundation: a Mason City commercial roofer, owner-operated, focused on flat roof and metal roofing systems. The next section covers the waterproofing and storm damage work that rounds out what we do.

Waterproofing membrane going down over insulation on a flat commercial roof near Mason City

Waterproofing, Flat Roof Systems, and Storm Damage Repair Set A1 Apart

Here's the honest take. We are roof-waterproofing experts, and that's the lens David brings to every roof we climb onto.

Your roof is the only thing standing between your building and the weather beating down on it. It has to be protected correctly and stay fully waterproof. Anything less, and the water finds a way in.

Every roof is both insulated and waterproofed. The insulation goes on first. The waterproofing goes on top of it. That outer waterproofing layer takes the abuse, and over time it wears down. Eventually it can fail.

That's why we offer several waterproofing options to fit different roof types and budgets. We work with you to find the right solution for your building, not a one-size answer. Our waterproofing work includes:

  • Roof coating
  • Flat roof waterproofing
  • Roof deck waterproofing
  • Waterproofing membrane installation
  • Balcony waterproofing
  • Terrace waterproofing

On the systems side, we install TPO, EPDM, and PVC flat roofs, plus standing seam metal roofing. For homeowners, that's the whole residential scope: flat roof and metal roofing work.

Now, leaks. If you're seeing water on your ceilings or walls, your roof may be leaking. Don't sit on it.

Our roofers locate the leak first. Then we give you a fair estimate for truly stopping it, not just slowing it down. And we can put an immediate temporary fix in place so the water stops while you decide on the permanent repair.

On a commercial building, speed matters. A neglected leak can end in a roof collapse. That puts workers in danger, ruins inventory, damages your tenants' property, and can force you to shut the building down for a while.

Repair or replace? That's the question we hear most. If your roof is more than ten years old, you may be at serious risk of a leak. That's when we recommend a formal assessment of the entire roof system.

That assessment lays out the structural condition of your roof and every item that needs repair. You get the facts on paper before you spend a dollar on the fix. Then you can make the repair-versus-replacement call with your eyes open.

Storms are the other half of our work. When wind or hail hits, we handle storm damage roof repair, roof hail damage repair, and wind damage roof repair.

Before any repair, we do a hail damage inspection or storm damage inspection so you know exactly what got hurt. We also provide roof insurance claim assistance, so you're not facing the claim on your own.

Bottom line: we'd rather show you the problem than sell you a roof. Find the leak. Stop the water. Tell you straight whether your roof needs a repair, a new waterproofing layer, or a full replacement.

Storm damage inspection on a commercial roof before a hail and wind repair near Mason City

Scheduling a Free Roof Inspection with A1 Roofing Services

Here's the straight answer on getting started. The first step costs you nothing.

We offer a free roof inspection and a free roof estimate. Those are the two free items. Repairs, replacements, and installations are paid work, and we'll tell you that up front. No surprises.

The inspection gets someone on your roof so we can show you what's going on. The estimate tells you what fixing it will take. You get both before you commit to anything.

That's the right order. See the problem first, then decide.

If water is already coming in, don't wait for a scheduled visit. We handle emergency roof repair, and our phone lines are open 24/7. Call when you see the leak, not after the ceiling stains spread.

A1 Roofing Services is owner-operated, with no subcontractors. When you call us, you're dealing with David Borntreger and the A1 team. The work doesn't get handed off to somebody you've never met.

We pay close attention to every detail, from the inspection to the cleanup and everything in between. After the installation, we follow up to make sure you're completely satisfied. We don't consider the job finished when the last panel goes down. It's finished when you're satisfied with it.

Here's how to reach us, at our Mason City address:

  • Phone: (641) 381-3241, with lines open 24/7
  • Address: 608 12th St NE, Mason City, IA 50401
  • Website: www.a1roofingservices.com

When you call, tell us what kind of building you have and what you're seeing. Tell us whether it's a commercial property, a flat roof, or a metal roof, and whether you've noticed leaks, ceiling stains, or wall damage. That helps us get the free inspection set up for the right roof and the right problem.

One more honest note: a small leak doesn't stay small. Water works its way into insulation, decking, and whatever sits under the roof. The sooner someone looks at it, the more options you have.

Moisture that stays trapped inside a building can also lead to mold, which the CDC covers in its overview of mold and your health.

Call (641) 381-3241

Common Questions

Roofing FAQs — Hanlontown and Mason City

Where is A1 Roofing Services based?

A1 Roofing Services is based in Mason City, IA, operating as an owner-operated commercial roofing contractor and waterproofing service led by David Borntreger. The company serves property owners in Mason City and the surrounding Iowa and Southern Minnesota region, including those searching from nearby Hanlontown.

What roofing systems does A1 Roofing Services install?

A1 Roofing Services installs TPO, EPDM, and PVC flat roofing systems, along with standing seam metal roofing. Offering all three flat roof materials allows the company to match the roofing system to the specific building rather than relying on a single product for every job.

Does A1 Roofing Services handle both commercial and residential work?

Yes, commercial roofing is the company's core focus, covering full replacements, new installs, and repairs. On the residential side, the scope is limited to flat roofs and metal roofing, giving owners and homeowners with these roof types a clear fit for their project.