Saint Clair Metal Roofing
Steel panel roofs for houses, barns and shops around Saint Clair, put on by brothers who live one county line away.
Standing seam or exposed fastener.
Nearly every steel roof we hang around Saint Clair falls into one of two families, and picking between them is the first real decision you make. Standing seam hides its fasteners: the panels lock together along raised ribs and hang on clips underneath, so nothing that holds the roof down is exposed to weather. Exposed fastener, the ag-panel look you already know from every machine shed in St. Clair County, screws through the face of the panel into the framing, with a rubber washer under each screw head doing the sealing.
Standing seam costs more and asks more of whoever installs it. What you buy is a roof with no gasket to age out and no screw pattern to re-torque, which is why it belongs on the house you intend to keep. Exposed fastener buys a great deal of coverage for the money, goes up quickly over simple gable framing, and is the honest choice for a barn, a shop, or a pole building where the roof is doing a job rather than making a statement.
Plenty of Saint Clair properties get both, the house in standing seam and the outbuildings in ag-panel, ordered in the same shade so the place reads as one property from the road. Preston lays the tradeoffs out during the walk-through rather than burying them in fine print. Either way the substrate is Galvalume with a factory-baked coating from an American mill, and that coating carries its own manufacturer warranty separate from what we promise on the labor.
Thickness, ribs and the color you have to live with.
Gauge is the thickness of the steel, and the number runs backwards: a lower number means thicker metal. Twenty-nine gauge is the common ag-panel thickness and it is genuinely fine over a shed. Twenty-six is a noticeable step up in stiffness and the one we lean toward on anything a hailstone might find, which around here is everything. Twenty-four gauge is standing seam territory, thick enough that the panel holds a flat plane across a long run without waving.
Profile is the shape stamped into the panel. Taller ribs spaced further apart carry a load better and shed water faster, which matters on the low-slope sections you find on additions and porch roofs. Shorter, tighter ribs read smoother from the ground. On a Saint Clair house with a steep old-fashioned pitch, a tall rib throws a hard shadow line that either suits the building or fights it, so we look at the house before we pick.
Panels come cut to your exact roof dimensions rather than trimmed down from stock lengths on the ground, which means fewer raw edges, fewer seams for water to find, and a coating warranty nothing altered after it left the mill.
Hail, wind and what slides off in February.
Storms build over the open farm ground west of St. Clair County and arrive with very little to slow them down. Hail is the reason most Saint Clair homeowners start looking at steel in the first place, so be straight about what it does and does not do: hail can dent a panel, and a bad enough stone leaves a dimple you can see in low sun.
Wind is where the gap between the two systems shows up hardest. A standing seam panel is held by clips along its whole length, so uplift has to fight the entire seam rather than one shingle tab at the edge. Exposed fastener depends on its screws being in the framing at the right spacing, which is exactly why screw layout is not a place to hurry.
Then there is snow. Steel sheds it far better than asphalt, and around Truman Lake and the Osage that heavy wet spring snow is what works asphalt loose over the years. The catch is that steel does not shed gradually. It holds until it lets go, and a whole plane comes down at once, so anywhere a slope aims at a doorway, a walk, a propane tank or where you park, we set snow retention. Lake-adjacent ground here also carries more humidity than drier inland property, which is hard on shingle sealants and something steel is largely indifferent to.
What goes under the panels, and going over old shingles.
Steel gets hot, and ordinary felt does not care for it. Under every panel we hang goes a high-temperature synthetic underlayment rated for the system, because that layer is the real waterproofing while the steel is the weather shield above it. On low slopes and in valleys we add a self-adhering membrane, since those are the two spots where water sits long enough to look for an opening.
Ventilation is the part homeowners skip and then regret. Warm damp air rising out of a Saint Clair house has to leave somewhere, and if it stalls under a cold steel deck it condenses and drips, which people understandably mistake for a leak. We size intake at the eave against exhaust at the ridge so air actually moves, and vent the ridge in a way that lets moisture out without letting blowing snow back in.
Going over an existing shingle roof comes up often, and the honest answer is sometimes. Where the decking is sound, the layer count is legal, and the old surface is flat enough not to telegraph, a purlin system over the top saves the tear-off and the dumpster. Where the decking is soft or nobody can say for certain what is under there, we take it off, because hiding rot under a fifty-year roof is the most expensive shortcut in this trade. Either way you get the finding in writing before anything is ordered. Call (417) 808-0802 and Preston or Heber will come look.
Is steel worth it on your Saint Clair house?
Steel is a bigger check on the day you write it, and anybody who tells you otherwise is selling. The question worth asking is not what it costs today but how many roofs you plan to buy for this address over the rest of your life.
If this is the house you plan to be carried out of, or a family farm staying in the family, the math turns over. Shingles put you back in this conversation roughly every twenty years; steel installed right can outlast two of those cycles and is very often the last roof the building ever needs. What decides that more than the material is who screws it down. A clip spaced wrong or a chimney flashing improvised on site is a mistake you own for decades, so we would rather take an extra day on the details than hand you a fifty-year roof that quits in twelve.
Four steps, nothing hidden.
Walk the buildings
We get on the roof, photograph what is up there, and check the decking and framing. Then we talk through which panel family fits the house and which fits the outbuildings.
Deck and dry-in
Tear-off where the decking needs eyes on it, or a purlin system where going over the old surface genuinely makes sense. High-temperature synthetic goes down, with membrane in the valleys and low slopes.
Hang the steel
Panels arrive cut to your dimensions. Standing seam rides on concealed clips that let the metal move as it heats and cools. Exposed fastener gets screws laid out to the pattern, not eyeballed.
Trim, vent, retention
Ridge, valley, eave, rake and every penetration get their own bent trim. Ridge vent goes in. Snow retention goes over doorways and walkways before we pack up.
Saint Clair Metal Roofing FAQs
Is a steel roof noisy when it rains?
Over solid decking and underlayment, no. What people remember as loud is steel screwed straight to purlins on an open barn with nothing underneath. A house roof has a deck, underlayment and an insulated attic in between, and it sounds about like shingles.
Will hail ruin a metal roof out here?
It can dent one, and a large stone leaves a dimple you may notice in low sun, especially on thinner gauge. What it almost never does is break through, so the roof keeps doing its job while shingles give up years of life to every storm.
Can you put steel over my existing shingles?
Sometimes. It depends on decking condition, how many layers are already up there, and whether the old surface is flat enough not to show through. Soft decking always means tear-off, and we decide after looking rather than over the phone.
Does a metal roof draw lightning?
No. Steel does not attract strikes and your odds do not change. If lightning does hit, a metal roof carries the energy away without igniting, which is more than can be said for a wood or asphalt surface.
What gauge should I be asking for?
Twenty-nine is fine over a shed. Twenty-six is the sensible pick for anything hail can reach, which is most of St. Clair County, and twenty-four is standing seam thickness that holds a flat plane over long runs.
Do you roof barns and shops too, or only houses?
Both, and often on the same visit. Ag-panel on the outbuildings with standing seam on the house is a common pairing here. We order both runs in one color so the property matches, and doing them together saves a second trip.
The rest of what we handle here.
Most people arrive at steel by way of another problem. Wind stripped shingles off and the question became what to put back, in which case storm damage roofing repair in Saint Clair is the place to start, because insurance often carries more of it than owners assume. Others have no idea how much life is left up there, and a Saint Clair roof inspection settles that with photographs rather than a guess from the driveway.
When the answer is that the roof is finished, residential roofing replacement in Saint Clair covers the tear-off and whatever system you land on. Worth planning while the crew is already there: panels dump water off the eave far faster than a shingle field, so gutter installation in Saint Clair is cheaper alongside the roof than as a return trip. For panel systems across the whole service area, the metal roofing service page lays out the range, or reach us through our contact page.
Thinking about steel in Saint Clair?
Free inspection at your address in St. Clair County, findings and a price in writing, and no pressure to sign anything on the spot. You will be talking with Preston or Heber, not a salesman working a territory.
See a Few Roofs We Have Hung
Standing seam, ag-panel and shingle work from around southwest Missouri, photographed on real jobs.