The ridge caps are the tiles that sit along the very top peaks and hips of a sloped roof. When the mortar holding them fails, they loosen โ and water gets in.
Historically the capping tiles were set on a thick bed of wet concrete mortar (the bedding). Over fifteen to twenty years, Ballarat temperature swings make the roof timber expand and contract, and that rigid concrete bed shrinks, cracks and crumbles away.
Once the bedding fails, capping tiles can slide or blow off in the high August winds, leaving a wide gap for rain to pour into the home. Even before they move, cracked mortar lets wind-driven rain seep through.
A roofer scrapes out the old failed mortar, lays fresh bedding, then finishes with flexible pointing โ a rubbery compound that holds the caps firmly while bending with the building movement, so it does not crack again like rigid cement.
Connecting Ballarat homeowners with local, independent tiled-roof repair specialists. Send one enquiry and a local provider gets back to you with a free, no-obligation quote.
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