Roof Repairs › Port Talbot › Chimney Repointing & Repairs
This page is about chimney repointing & repairs here specifically — what the fault looks like on these works-built terraces, why it happens in this part of South Wales, and what putting it right actually involves.
Call 07868 857692 to arrange an assessment in Port Talbot, or message us on WhatsApp.
Chimney Stacks in Port Talbot

A chimney is the most exposed masonry on any building — wet on all four sides, with no roof over it and nothing sheltering it from salt and industrial atmosphere together. On slate in the older streets and tile on the estates the stacks are frequently the oldest and least maintained part of the structure, and on terraced property they are often shared.
What This Covers
- Failed mortar joints
- Loose masonry
- Weathered chimney stacks
- Water ingress connected with the affected detail
- Localised weathering or damage requiring repair
Why Stacks Erode Here
With the south-westerly straight off the bay, a stack is wetted and dried more often than any wall on the building, and every cycle takes a little more mortar. Add frost into saturated joints and on these works-built terraces the pointing goes from sound to open in a few seasons once it has started.
Access to the Stack

Nothing about a chimney can be done from a ladder, so with access level near the front and steep behind a stack job is a scaffold job and the scaffold is a real part of the price. Because metal fixings corrode faster here than anywhere on the list, anything else needing doing at high level is worth doing while it is up.
Repointing, Flaunching and Rebuilding
Repointing means raking the old mortar out properly and filling with a mix suited to the brick you actually have on slate in the older streets and tile on the estates. On these works-built terraces that generally means something softer than modern cement, which is harder than the brick and pushes the face off it. The flaunching, the mortar weathering around the pots, is checked at the same time, because with salt and industrial atmosphere together a cracked flaunching is letting water straight into the stack.
What Our Chimney Repointing & Repairs Service Includes in Port Talbot
- Raking out and repointing in a mix suited to the brickwork
- Flaunching around the pots renewed
- Cracked, spalled and loose bricks cut out and replaced
- Partial rebuilds above the roof line where erosion is advanced
- Pots re-set, capped or removed and capped off
- Flashings checked and re-dressed while the access is up




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Chimney Repointing & Repairs in Port Talbot — Common Questions
What are common signs that I may need chimney repointing & repairs in Port Talbot?
A chimney is the most exposed masonry on any building — wet on all four sides, with no roof over it and nothing sheltering it from the south-westerly straight off the bay. Add frost into saturated joints and on slate in the older streets and tile on the estates the pointing goes from sound to open in a few seasons once it has started.
Can a small defect cause an internal leak?
Yes. The kind of defect behind chimney repointing & repairs lets water into the structure on these works-built terraces, and it can travel a long way before it shows on a ceiling. That is why the source of a chimney repointing & repairs problem is traced rather than guessed at from the mark inside.
Will the whole roof need replacing?
Usually not. Chimney repointing & repairs is repair work, and on slate in the older streets and tile on the estates the covering around the defect is generally sound — whether a repair is the right answer depends on how far the deterioration has gone beyond the part you can see.
Can you inspect the problem before recommending work?
Yes, always. Given metal fixings corrode faster here than anywhere on the list, a chimney repointing & repairs job on these works-built terraces is looked at before anything is recommended, and you get told what was actually found rather than a figure guessed from the pavement.
Do you cover other roof repairs in Port Talbot?
Yes — chimney repointing & repairs is one of twenty-five roof repairs we carry out on slate in the older streets and tile on the estates, and across the surrounding area including Aberavon, Baglan, Margam, Taibach and Sandfields.
Do you cover Port Talbot and the surrounding area?
Yes — chimney repointing & repairs throughout Port Talbot and the places around it, including Aberavon, Baglan, Margam, Taibach and Sandfields.
What does a repair like this cost?
Two things set the figure for chimney repointing & repairs: how far the defect has actually gone, which needs somebody to look at it, and the access. With access here generally workable, that second one moves the price of chimney repointing & repairs more than the materials do, and it is why a figure over the phone is a guess.
Can you look at other things while you are there?
Yes, and it is worth it — given metal fixings corrode faster here than anywhere on the list, safe access to the roof is most of what a visit costs, so anything else wanting attention is far cheaper dealt with on the same day as the chimney repointing & repairs.
Contact T&T Roofing About Chimney Repointing & Repairs in Port Talbot
We carry out chimney repointing & repairs across Port Talbot and the area around it including Aberavon, Baglan, Margam, Taibach and Sandfields. For chimney repointing & repairs, a photograph of the affected part of the roof and a short description of what it is doing is the quickest start — given metal fixings corrode faster here than anywhere on the list, those two are what make a figure accurate rather than provisional.
Tell us what the roof is doing in Port Talbot and we will look at it. Call 07868 857692, message us on WhatsApp or use the form below.
