St. Peters is mostly 1970s through 2000s subdivision housing, which puts a large portion of the city on its second roof right now. Second roofs are where we find the shortcuts from the first one: layer-overs, reused flashing, and attic ventilation that was never adequate.
The thing we find most often on St. Peters tear-offs is a second layer nobody disclosed. Laying over was common and legal when a lot of these roofs were done, and it means the decking underneath has not been looked at in forty years. Sometimes it is fine. Sometimes there is rot around the bath fan and along a valley that has been quietly wet the whole time. We price for what we find and show you the boards.
Arrowhead Roofing & Exteriors works throughout St. Peters and the rest of St. Charles County out of our office in Weldon Spring. Free inspections, honest assessments, and a ten-year workmanship warranty on our installations. Call 636-730-0405.
Roofing services we provide in St. Peters
- roof repair, from a single failed pipe boot to a slope that needs rebuilding
- Full roof replacement, including tear-off, decking repair and new flashing
- hail damage repair and wind damage repair, documented properly for a claim
- emergency roof repair when something is open to the weather right now
- Free roof inspection with photographs of anything we find
- architectural shingle roofing and metal roofing
- attic ventilation, gutters and downspouts and chimney flashing repair
When a St. Peters roof is actually done
An asphalt roof rarely fails all at once. It goes brittle, loses granules into the gutters, curls at the edges, and starts shedding tabs in wind that would not have bothered it when it was new. If you are finding grit in the downspouts and shingle pieces in the yard after storms, the roof is telling you where it is.
Two things matter as much as the shingle when we quote a roof replacement here. The first is the decking. Once the old layers come off we can see rot, delamination and old leak paths that nobody could see from the ground. The second is attic ventilation. A lot of houses in this area were built with intake and exhaust that never balanced, which cooks the shingles from underneath and shortens the life of whatever you put up there. We tell you about both before we start, not as a change order halfway through.
Commercial roofing in St. Peters
Commercial roofing is a large part of what we do, not a sideline. If you own or manage a building in St. Peters we handle:
- flat roofing systems and low-slope roofs, including TPO roofing and modified bitumen
- commercial roof replacement with a phased plan if the budget needs one
- Leak tracing and seam, flashing, drain and scupper repair
- Documented condition reports for capital planning and insurance
- commercial gutters and downspouts
- Scheduled maintenance so small failures do not become a tear-off
The difference between commercial and residential work is not just the membrane. It is that a commercial roof has to be fixed without shutting your tenants or your operation down, and it has to be documented well enough that you can put it in a budget. We give you a condition report with photographs and a straight answer on whether the roof has years left or needs replacing this cycle. Getting three more winters out of a roof with planned repairs is often the right call, and we will say so.
After a storm
Severe weather in this region does not always announce itself on the roof. Check your gutters for granule buildup, look for shingle pieces in the yard, and watch for new staining on upstairs ceilings. If anything looks off, we will do a free roof inspection and tell you whether it is a roof repair, an insurance claim, or nothing at all. We can also help with the insurance claim help if it comes to that.
Where we work from
St. Peters is inside our regular service area and we work there every week. Our office is at 6020 Weldon Spring Pkwy, Weldon Spring, MO 63304. We do not keep a separate storefront in every town we serve, and we would rather say that plainly than list addresses that are really just mailboxes.
Common questions
How long should a roof last in St. Peters?
An architectural asphalt roof installed correctly and vented properly should give you 20 to 30 years here. Builder-grade three-tab on a poorly vented attic can be finished in 15. The install and the ventilation matter more than the number printed on the shingle wrapper.
Do I have to tear off the old roof?
Almost always, yes, and we recommend it. Laying new shingles over old hides rotted decking, traps heat, and means nobody ever inspected what is underneath. It is cheaper up front and it costs you years on the back end.
What does the warranty actually cover?
Our installations carry a ten-year workmanship warranty. That covers our labor. The shingle itself carries whatever the manufacturer offers, and we will tell you which is which in writing rather than blurring the two together.
St. Peters is part of our St. Charles County service area
See everywhere we work in the county on our St. Charles County roofing page, or the full Arrowhead service area across the Greater St. Louis region. We also have pages for St. Charles, O’Fallon, Wentzville, Cottleville, Weldon Spring, Lake Saint Louis.
Get a free roof inspection in St. Peters
We will come out, get on the roof, and tell you what we actually find, including when the answer is that your roof has years left. Call 636-730-0405 or send us a message and we will get you on the schedule. There is no charge for the inspection and no obligation afterward.