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Flashing · Sebastopol, Brown Hill, Lucas

Cracked chimney and penetration flashing

Water running down an internal wall near a chimney, skylight or vent usually means the flashing has failed — the metal seal where something pierces the roof.

What flashing is

Wherever a chimney or vent pipe passes through the roof there is a gap. Roofers seal it with malleable metal sheets — traditionally lead — tucked into the brickwork and moulded tightly over the tiles to form a watertight transition.

How it cracks

Ballarat hot summers and frosty winters make the metal expand and contract season after season until it develops hairline cracks and splits. Rain slips through and rots the timber ceiling beams underneath, often well away from where you see the stain.

The fix

A roof plumber removes the cracked lead and re-seals the penetration with modern, non-toxic, highly flexible flashing products that stretch around the shape and cope with the temperature swings without cracking.

Damp patches on a wall near a chimney, vent or skylight? Send an enquiry and a local provider will quote the flashing repair for free.

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Phone: 03 4320 0482
Email: [Email Address]
Service area: Ballarat & district, VIC

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