Lead Flashing Replacement in Alton

Lead flashing replacement in Alton where the roof meets a wall, a chimney or a dormer. Cracked or lifted lead is one of the most common leak points on a house. We strip the old lead and dress in new.

What Flashing Does

Flashing seals the join between the roof covering and anything it meets, like a chimney, a wall or a dormer cheek. There is no tile that can cover that join, so lead is dressed into it instead. When the lead fails, water goes straight in.

More Information

Why Old Lead Fails

Lead expands and contracts with the temperature. If the original lengths were too long or badly fixed, it cracks along the fold. Mortar holding the top edge into the wall also washes out. Both let water track behind the flashing and into the roof.

Cement Fillets and Why We Replace Them

Some houses have a mortar fillet instead of lead at the roof to wall join. Mortar has no give in it, so it cracks within a few years and the leak comes back every time it is patched. Replacing it with lead is the lasting fix.

About us

Lead work is a regular part of what Prestige Roofing does around Alton, because so many leaks trace back to it rather than to the tiles. In over 10 years we have replaced flashing on chimneys, abutment walls, dormers and bay roofs. Every job starts with a free check to confirm the lead is the cause.

  • Free quotations and free roof checks

  • Over 10 years roofing in Alton

  • Same day response to your call

  • 24 hour emergency callouts for leaks

  • Open 7am to 7pm, seven days a week

STILL NOT SURE?

Frequently Asked Questions

How long does lead flashing last?

Correctly sized and fixed lead lasts 50 years or more. Failures usually come from lengths that were too long, poor clipping or a mortar joint that has washed out at the top edge. We fix in short lengths with proper laps for that reason.

Can lead flashing be repaired instead of replaced?

Small splits can be patched and it buys time. If the lead has cracked along a fold, the same thing will happen next to the patch soon after, because the cause is the way it was fitted. In that case replacing the run is better value.

Do I need lead, or is there an alternative?

Lead is still the best material for the job and lasts longest. There are lead substitute flashings that cost less and are used where theft is a worry or on smaller details. We talk through both and let you choose.

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