Valley leaks
Where two roof slopes meet
Pharr, Texas
Metal roof leaks in Pharr
Metal almost never fails in the middle of a panel. It fails at the fasteners, where thermal movement backs screws out and flattens the neoprene washers underneath, and at seams where sealant has gone brittle. A screw standing proud by a couple of millimetres is an open hole, and there may be hundreds of them on a roof. Both failure modes are invisible from the ground and both are straightforward to fix — which is why a leaking metal roof rarely needs replacing.
What the job involves
- Replacement of failed fasteners with oversized screws where needed
- Seam and ridge inspection with resealing where sealant has failed
- Check of penetrations, curbs and any transition to another material
- Assessment of panel condition and any corrosion at cut edges
Signs you need it
- Screws standing proud of the panel surface
- Rust streaks running down from fastener heads
- A leak that worsens on hot days as panels expand
Why roofs fail in Pharr and Hidalgo County
Pharr is close enough to the Gulf to take the full force of tropical systems, and that is the storm profile that sets everything else. Hurricane wind is sustained for hours rather than gusting, which does something different to a roof — it works shingle tabs loose over an extended period and drives rain horizontally under courses that would shed any normal downpour. Then the heat and humidity do the slow damage. Roofs across Hidalgo County run hot for most of the year, which ages the shingle and hardens every rubber and sealant component on it, and the humidity means that anything which gets wet inside the roof structure stays wet. A small leak here does considerably more damage over the same period than the same leak would further north, and mould becomes a problem much sooner.
Pharr has a population of about 80,830, and the housing stock here sets the pattern for what fails first on a roof.
Questions about metal roof leaks in Pharr
Do all the fasteners need replacing?
Not always, but they went in on the same day and have had identical weather, so if a number have backed out the rest are on the same trajectory. Doing the whole roof at once usually costs less than returning twice.
My metal roof leaks but there is no visible damage. Why?
That is the normal presentation. Fastener and seam failures are not visible from the ground and often not obvious from the roof either without checking each one. The panel itself is almost never the problem.
Other roofing work in Pharr
Storm damage leaks
Leaks appearing after wind or hail
Emergency tarping
Buying time when the roof cannot be fixed today
Soffit and fascia repair
The boards behind the gutter
Underlayment replacement
The secondary barrier under the covering
Hail damage repair
Bruising and granule loss
Describe what you are seeing
You will get a straight answer on whether Pharr needs someone out today or whether it can wait — before anyone quotes you for anything.
Call (706) 696-1888