Heavy rain has a way of finding every existing weakness in a roof, and for Old Market's older buildings, that can mean water tracking in through a gap that would never trouble a roof during ordinary weather. A leak that only appears during genuinely heavy or prolonged rain is often a sign of a small defect, rather than one big obvious failure, which is precisely what makes it harder to pin down without a proper look at the roof itself.
One of the most important things to understand about this kind of leak is that water does not necessarily drip through the ceiling directly below where it entered the roof. It can travel along roofing felt, follow a rafter, or run along a ceiling joist for a surprising distance before finding a weak point to drip through, meaning a stain in one room might actually trace back to a defect closer to a chimney, valley, or eave some considerable distance away.
For older buildings in particular, several factors can combine to create these leaks: ageing flashing around chimneys or roof junctions, worn pointing that lets water seep into brickwork and eventually the roof structure, degraded valley linings unable to cope with heavy volumes of water, or simply roofing felt that has become brittle with age and no longer forms an effective secondary barrier under a covering that still looks fine from the outside.
Heavy rain also tests guttering and downpipes harder than an ordinary shower, and a partial blockage that copes fine with light rain can overflow completely once a genuinely heavy downpour arrives. On older Old Market buildings with original or ageing rainwater goods, this overflow can sometimes track back into the building at eaves or parapet level, mimicking the appearance of a roof leak even though the roof covering itself is not actually at fault. Ruling this out, or confirming it as the actual cause, is a straightforward part of a proper inspection and can save unnecessary work being carried out on the roof covering itself.
Diagnosing the actual source properly means inspecting the whole roof area around a reported leak rather than assuming the obvious spot is the cause. Our roofers check tile or slate condition, flashing, valleys, and any penetrations methodically, working from the most likely culprits given the roof's age and construction back towards less common causes if needed, so nothing relevant gets overlooked in the process.
If your Old Market property has developed a leak during recent heavy rain, particularly one that seems to come and go depending on the weather, it is worth having it properly investigated rather than living with an intermittent drip. Get in touch for a free inspection, and any repair work is backed by our 15-year guarantee, so the fix genuinely resolves the problem rather than just masking it for a while.
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