The British weather – what it means for roof design

Britain is renowned for its wet summers and even wetter winters. Persistent rain alongside the strongest winds in Europe leads to one of man’s most loathed combinations – driving rain. Driving rain is not just a curse for barbecue enthusiasts, golfers and anyone waiting for a train on an open platform, it is also the worst enemy of roofs.

You can rely on the British weather to exploit any weak points in your roof. And when it comes to rain, as it so often does, the weakness in your roof will most likely be the mortar.  The scale of this problem is recognised by The National House Building Council (NHBC) - the body that provides warranties for new houses. At a total cost of £11m, and affecting over 3,000 new homes, they highlighted mortar as the culprit for damaged roofs.

If a mortar is mixed badly, sooner or later it will crack. When it does, driving rain will seep into the cracks. And if you’re unlucky enough for it to be cold when this happens, that rain will freeze and break the mortar, leaving you with a lack of tiles on your roof as they start falling off. And then your roof leaks, and the elements have won, leaving you in need of roof repairs.

Apart from moving abroad, is there a solution to the rain/mortar conundrum? Yes - dry fix. It’s a way of fixing tiles to a roof that doesn’t involve mortar. It’s what Redland developed to combat awful weather and badly mixed mortar. All products are tested in a wind tunnel, built specifically to recreate the weather conditions that face Britain on a daily basis.

If you’re getting a new roof, or having roof repairs, ask for dry fix. You can’t control the weather, but at least you’ll have a warm, dry house to come home to.

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