If you have noticed a ridge tile sitting slightly out of line on your roof, or you have found small pieces of mortar in the gutter or on the ground after windy weather, there is a good chance the ridge line needs attention. Ridge tiles are the capping pieces that run along the very top of a roof, sealing the join between the two sloping sides, and in a coastal town like Porthcawl they come under more pressure than in many other places.
Ridge tiles are traditionally bedded and pointed in place using mortar. Over time, that mortar is exposed to sun, frost, rain and, particularly in Porthcawl, salt-laden coastal wind. This combination gradually weakens the bond, causing the mortar to crack, crumble or fall away. Once that happens, the tiles it was holding are no longer fixed securely and can shift, rock in strong wind, or come loose entirely.
Why this happens more on exposed, coastal roofs
Porthcawl properties sit right in the path of wind coming off the sea, and the ridge is the highest, most exposed part of the roof. It takes the brunt of gusts that other sections are partly sheltered from, which puts extra strain on aging mortar joints. Age of the property, the quality of the original pointing work, and how sheltered or exposed a particular roof is will all affect how quickly this wear shows up. Terraced roofs along a ridge line can also be affected by movement in neighbouring properties, which adds further stress to the joints over time.
Loose ridge tiles are not just a cosmetic issue. Once mortar has failed, water can get underneath the tiles and into the roof structure, and in strong coastal winds a loose tile can lift or slide, risking further damage or a dislodged tile falling from height. Left unaddressed, what starts as a small pointing repair can turn into a bigger job involving the timbers or felt beneath the ridge.
Getting loose ridge tiles sorted properly
The usual fix is to re-bed and repoint the affected ridge tiles, removing the old, failed mortar and refitting the tiles securely, sometimes with a dry verge or mechanically fixed ridge system used instead of traditional mortar for extra long-term resilience. Whether that is the right approach for your roof depends on its age, construction and how the rest of the ridge line is holding up, which is best judged in person rather than guessed at.
T & T Roofing and Home Improvements Ltd carries out chimney repairs and repointing, dry verge installation and general roofing repairs across Porthcawl from our base in Neath. If you have spotted a loose or missing ridge tile, get in touch on 07766 547309 for a free, no-obligation inspection and quotation before the problem has a chance to get worse.
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