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Canterbury chimney stacks and why they need work
Canterbury has a great many Victorian and Edwardian chimney stacks, and most of them are no longer used for what they were built for. An unused flue stops drawing warm air up through the brickwork, which means the stack stays damp for longer after rain, and damp brickwork in a hard frost is how mortar joints fail. On a tall city centre stack that shows up first as spalled brick faces and crumbling flaunching around the pots. Repointing a stack is one of the most common jobs we do here. If your property is in the conservation area the mortar mix and the brick may both be specified, and a modern cement mix on soft Victorian brick will do more damage over ten years than the weather would have. If you are having the stack repointed it is nearly always worth renewing the lead flashing at the same time, because the scaffolding is already there.
Why Chimney Repairs Are Essential for Kent Properties
Chimneys are one of the most exposed parts of any property in Canterbury and Kent. Sitting above the roofline, they bear the full brunt of wind, rain, frost, and coastal salt air that characterises the Kent climate. Over time, this constant exposure causes mortar joints to crack and deteriorate, flaunching to crumble, and lead flashings to lift or corrode. Left unaddressed, damaged chimneys become a major source of water ingress, leading to damp walls, stained ceilings, and even structural damage to the chimney stack itself. StoneRidge Roofing provides comprehensive chimney repair services throughout Canterbury, Margate, Faversham, Deal, Folkestone, and the wider Kent area. Our experienced roofers carry out thorough inspections to identify every issue before recommending the most effective and cost-efficient repair solution for your property.
Chimney Repointing Services
Repointing is the process of removing old, deteriorated mortar from between the bricks of a chimney stack and replacing it with fresh mortar. This is one of the most common chimney repairs carried out on properties across Canterbury and Kent. Mortar joints on chimneys degrade much faster than those on walls due to the chimney's elevated, exposed position. StoneRidge Roofing uses premium-grade mortar mixes suited to the age and character of your property. For period homes and properties in Canterbury conservation areas, we can match the mortar colour and profile to maintain the authentic appearance of your chimney. Our repointing work is carried out methodically, raking out the old mortar to a sufficient depth before applying new material to ensure a strong, lasting bond. Well-executed chimney repointing keeps water out and strengthens the overall structural integrity of the chimney stack, extending its life by decades.
Flaunching Repairs and Lead Flashings
Flaunching is the sloped cement mortar that sits on top of the chimney stack, holding the chimney pots in place and directing rainwater away from the stack. Cracked or missing flaunching is extremely common on older properties in Canterbury and Kent and is a leading cause of chimney-related water damage. StoneRidge Roofing removes damaged flaunching and applies new mortar with the correct falls to shed water effectively. We also check and reseat chimney pots during this process. Lead flashings form the waterproof junction between the chimney stack and the roof tiles. There are several types of chimney flashing, including apron flashings at the front, step flashings along the sides, and back gutters behind the chimney. StoneRidge Roofing installs and repairs lead flashings using Code 4 and Code 5 lead sheet, dressed and fitted to provide a completely watertight seal. Poorly fitted or degraded lead flashings are one of the most frequent causes of roof leaks in Canterbury and Kent properties, and professional replacement makes a dramatic difference.
Chimney Cowls, Caps and Removals
StoneRidge Roofing fits a range of chimney cowls, caps, and bird guards to protect your chimney from rain ingress, downdrafts, and nesting birds. If you no longer use your fireplace, a ventilated chimney cap prevents rain from entering the flue while allowing airflow to prevent condensation and damp. For chimneys that are no longer required, we also carry out chimney removals and breast reductions. This involves carefully dismantling the chimney stack down to below the roofline, capping the opening, and re-tiling the roof to create a clean, watertight finish. Chimney removal can free up valuable internal space and eliminate a source of ongoing maintenance costs. StoneRidge Roofing handles chimney removals across Canterbury, Margate, Faversham, Deal, Folkestone, and all areas of Kent, ensuring the work is completed safely and to the highest standard with minimal disruption to your household.
Prices for this work are published in full on our roofing costs page, including VAT, or see what we do in Canterbury.
Why Choose StoneRidge Roofing
15-Year Guarantee
Every project backed by our comprehensive workmanship guarantee across Canterbury and Kent
Top Rated
Rated 5★ on Google and 10/10 on Checkatrade by homeowners throughout Canterbury and Kent
Fully Insured
Full public liability insurance on every roofing project, certificate available on request
Local Expertise
Deep knowledge of Canterbury and Kent property types, building regulations, and local requirements