Natural slate has covered many of Redland's period roofs for well over a century, and when properly fixed and maintained, it can genuinely last that long. The vulnerability tends not to be the slate itself, but the fixings holding it in place — nails or clips that corrode gradually over decades, eventually reaching a point where a slate that would once have stayed firmly put during a storm now lifts, slips, or comes away entirely. This is worth understanding because it changes how a repair should be approached — replacing a slipped slate without addressing the underlying fixing issue often just delays the same problem happening again with the next storm. A roof where several slates have slipped around the same time is usually telling you something about the age of the fixings generally, not just about that particular storm.
High wind exploits this weakness directly. Once a slate's fixing has weakened, even moderately strong gusts can be enough to work it loose, and because slate roofs rely on consistent overlap between courses to shed water effectively, a single slipped or missing slate creates a gap that's disproportionately significant compared to its size. Water that would normally run harmlessly over the surface can instead find its way directly through to the roofing felt beneath. This is why a roof that has looked fine for decades can suddenly develop problems once enough fixings reach a similar stage of wear.
On Redland's steeply pitched period roofs, wind damage often isn't isolated to one or two slates. If fixings across a section of roof are of a similar age, a storm severe enough to dislodge one is often severe enough to have weakened several others nearby, even if they haven't slipped yet. This is why a wind damage inspection on an older slate roof typically involves checking a wider area than just the immediately obvious gap.
Repairing slipped or missing slates properly means matching the existing slate as closely as possible — both for appearance and for consistent weathering across the roof — and securing new fixings that will hold for years rather than simply patching the immediate gap. Where slates have been damaged in a fall or impact, careful removal and replacement avoids further disturbing neighbouring slates that are otherwise sound. Getting the match right matters particularly on a prominent Redland street, where a visibly different slate can stand out against the rest of an otherwise uniform roof.
Because slate work on Redland's taller period properties usually requires proper scaffolding access, it's sensible to have any suspected wind damage assessed sooner rather than later, so repairs can be scheduled and access arranged before further weather adds to the problem.
Brunel Roofing Bristol repairs wind-damaged slate roofs across Redland, matching materials appropriately and backing all completed work with a 15-year guarantee. We're happy to discuss material options during the inspection, so you understand the reasoning behind whatever slate is recommended for your particular roof.
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