O’Fallon is one of the largest cities in Missouri and it grew fast, which means a very large share of its roofs went on within the same couple of decades. A lot of those houses hit replacement age at roughly the same time, and a lot of them got the builder’s cheapest shingle the first time around.
Because O’Fallon grew in waves, whole streets tend to need roofs within a few years of each other. That is worth knowing for two reasons. It means your neighbor’s quote is genuinely comparable to yours, which is unusual. It also means O’Fallon draws out-of-town storm crews after any hail event, because a neighborhood of identical aging roofs is an easy target. Ask anyone who knocks on your door where their office is and what happens if the roof leaks in three years.
Arrowhead Roofing & Exteriors works throughout O’Fallon 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 O’Fallon
- 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 O’Fallon 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 O’Fallon
Commercial roofing is a large part of what we do, not a sideline. If you own or manage a building in O’Fallon 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
Most flat roofs in O’Fallon do not fail across the field. They fail at seams, terminations, penetrations, drains and scuppers. That means a leak is usually a repair rather than a replacement, and any contractor who opens with a tear-off number before walking the roof is guessing. We find the actual source, price the repair, and tell you honestly how much life is left in the system.
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
O’Fallon 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
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.
How long does a replacement take?
Most houses in this area are a one-day tear-off and install, two if the roof is large or the weather turns. We do not leave a roof open overnight if we can avoid it, and if we have to, it gets dried in properly first.
Will you replace the gutters at the same time?
If they need it, doing both together is cheaper than doing them separately, because the drip edge and the gutter apron come off anyway. If they do not need it, we will say so.
O’Fallon 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, St. Peters, Wentzville, Cottleville, Weldon Spring, Lake Saint Louis.
Get a free roof inspection in O’Fallon
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.