Poor or aged leadwork is one of the most common causes of persistent roof leaks around chimneys, dormers, valleys, and flat roof edges. We cut and dress lead to the correct profiles for every detail, ensuring a watertight finish that suits the age and style of your property. Call us for a free roof survey if you suspect your leadwork is failing.
Image: Wymondham lead work
Lead is used wherever two surfaces of a roof meet or where a roof abuts a vertical wall. Chimney flashings, valley gutters, dormer cheeks, bay roof aprons, and flat roof upstands all rely on well-dressed lead to keep water out. When it fails, usually through cracking, lifting, or poor original installation, the leak can track a long way from the source before it shows up indoors.
Good leadwork is a craft. We cut lead sheet to the correct code for each application, dress it into shape on site, and fix it using the correct clips and fixings so it can expand and contract with temperature changes without splitting. Chimney flashings are stepped and soaked into the mortar joints rather than just surface-fixed, which is the only way to get a lasting result. Valley gutters are formed with proper drips and falls so water flows clear of the joints.
Substandard leadwork from a roofer who doesn't work with the material regularly is a common source of repeat leaks. Lead that is fixed too rigidly will crack within a few years as the metal moves. Over-applied mastic or flashing tape used as a shortcut may hold for one winter but will fail and make the eventual repair harder.
We inspect the existing lead and the surrounding tiles or slates before quoting, so we can tell you what needs replacing and what can be re-dressed and salvaged. Most chimney flashing jobs take half a day to a full day. Larger valley replacements may take two days depending on the length of the run.
In Wymondham, lead chimney flashing replacement typically costs between £300 and £700 depending on the size of the chimney stack and the complexity of the surrounding roof detail.
No obligation · We usually respond within 2 hours
Storm damage, active leak, damaged ridge - we aim to be on-site within 24 hours.
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