Metal roof leaks
Fasteners, washers and seams
Wind damage usually does not remove shingles. It breaks the adhesive seal strip underneath and leaves them lying flat, so the roof looks untouched from the ground and takes water at the next driving rain. This is the single most common storm-related leak call, and the most commonly missed, because there is nothing to see until someone runs a hand under the tabs and finds they lift without resistance.
La Grulla 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 Starr 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.
La Grulla has a population of about 1,234, and the housing stock here sets the pattern for what fails first on a roof.
That is the usual presentation. Wind breaks the seal strip without removing the shingle, so the roof looks intact and leaks at the next heavy rain. Nothing is visibly missing.
Wind damage is generally a covered sudden-and-accidental event. The difficulty is proving it is wind rather than age, which is why hand-testing and photographs taken soon after the storm matter.
Fasteners, washers and seams
Damp insulation, dry ceiling
The sheathing under the shingles
Missing, cracked or lifted shingles
Single-ply flat roof membrane
Vinyl, fiber cement and wood
You will get a straight answer on whether La Grulla needs someone out today or whether it can wait — before anyone quotes you for anything.
Call (706) 696-1888