Metal Roofing · Missoula, MT
Corrugated Metal Roofing in Missoula, MT
Corrugated metal roofing offers a cost-effective, strong roofing solution ideal for residential, agricultural, and commercial properties in the Missoula area. Shops, barns, garages, cabins and homes that want a real metal roof at a lower price.
Where Corrugated Metal Makes Sense
Corrugated and other exposed-fastener panels are the metal roofs most people grew up seeing on barns and shops around Montana. The panels are fastened straight through the face into the roof deck or purlins with screws that carry rubber washers, and each panel overlaps the next. It's a simple system, and that's its strength: fewer parts, faster installation and a lower price than standing seam.
It's a strong fit for:
- Shops, garages and pole buildings, where the roof is big and simple and the budget goes further
- Barns, machine sheds and other agricultural buildings
- Cabins and outbuildings, including rustic and galvanized looks
- Homes on a budget, or homes where the ribbed look suits the style
- Porches, lean-tos and additions
The trade-off is maintenance. Those exposed screws and washers age in sun and cold, and over the years some need tightening or replacing. On a building you can easily walk around and look at, that's a small job. On a steep, two-story home, many people decide standing seam is worth the difference.
What's Included
The quote
- An on-site look at the building, roof pitch and framing
- A written, itemized quote with the profile, gauge and color options
Installation
- Tear-off or prep of the existing roof, or installation over new framing
- Underlayment on solid decks, or a condensation plan on open-framed buildings
- Panels with gasketed fasteners, placed and driven to the manufacturer's pattern
- Closure strips at the eaves and ridge to keep out snow, insects and birds
- Ridge cap, rake and eave trim, and flashing at walls and penetrations
- Snow guards over doors and walkways where they're needed
After
- Cleanup of scraps and screws, and a walk-through of the finished roof
Exposed-Fastener Roofs: Panels, Screws and Upkeep
Profiles
| Profile | What it looks like | Common use |
|---|---|---|
| Corrugated | Rounded, wavy ribs | Barns, cabins, sheds, rustic and farmhouse styles |
| R-panel / PBR | Wide flat pans with tall trapezoid ribs | Shops, pole buildings, commercial and ag buildings |
| Ag panel | Similar ribs with a lighter profile | Barns and outbuildings |
Screws and washers
The rubber washer under each screw seals the hole. Over time sun and freeze-thaw harden the washers, and temperature swings can loosen screws. Checking the fasteners every few years and replacing any that have backed out keeps an exposed-fastener roof watertight for a long time. A screw driven too tight or too loose at installation is the most common reason these roofs leak early, which is why installation care matters.
Condensation on open-framed buildings
When warm, moist air inside a shop or barn meets cold metal, water condenses on the underside of the panels and drips. The usual fixes are a condensation-control backing on the panels, a vapor barrier or insulation, and ventilation. If you plan to heat the building later, tell us, because it changes what goes under the roof.
Lifespan
A well-installed exposed-fastener roof is commonly expected to last 20 to 40 years or more, depending on the panel, the finish and how the fasteners are cared for.
What It Costs
Corrugated and other exposed-fastener panels are the most affordable metal roof. A Missoula-area cost guide puts them at about $3 to $6 per square foot installed, depending on the metal thickness and finish, compared with about $9 to $12 for standing seam (Homeyou). What moves your price:
- Panel profile, gauge and finish. Painted panels cost more than bare galvanized or Galvalume.
- The building. Size, pitch, and whether it has solid decking or open purlins.
- Tear-off of an old roof, and any framing repair.
- Condensation control, closures, snow guards and trim.
Your quote itemizes each of these.
How It Works
- Request a quote
Call, email or send the short form. Tell us what the building is, roughly how big the roof is, and what's on it now. Photos aren't needed; we'll see it in person.
- On-site look
We measure the roof and check the parts you can't see from the ground: the decking, the flashing around chimneys and vents, the valleys and the ventilation. That's what decides whether the old roof has to come off.
- Written quote
You get an itemized quote with the panel profile, gauge, color and snow-retention options we recommend, and what each choice does to the price. Take your time with it.
- Install and clean up
Once you approve it, we schedule the work around the weather, install the roof, and clean up the site when we're done, metal scraps and screws included.
Questions About Corrugated Metal Roofing
Can corrugated metal go on a house?
Yes. Over solid decking and underlayment, it's a durable, lower-cost roof for a home, and it suits farmhouse and cabin styles well. The trade-off is periodic screw maintenance that standing seam doesn't need.
Is galvanized or painted better?
Bare galvanized or Galvalume panels cost less and fit a rustic look. Painted panels add color and an extra layer of protection. Either can serve a shop or barn well for decades.
My old barn roof leaks at the screws. Do I need a new roof?
Not always. If the panels are sound, replacing the fasteners and resealing the laps can stop the leaks. If the panels are rusted through or the laps have opened, new panels make more sense. See metal roof replacement.
How much pitch does a corrugated roof need?
Exposed-fastener panels need more slope than most standing seam systems, because water has to run over the laps. Each panel has a minimum pitch from its manufacturer, and we check your roof against it.
Serving Missoula and Nearby Towns
We install corrugated metal roofs throughout Missoula and in the towns around it, including:
Missoula Area
Bitterroot Valley
Mission Valley & Flathead
Ready for a Roof That Sheds Snow and Lasts?
Tell us about your building and we'll set up a free, no-pressure metal roofing quote.