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Matching brick

Can Reclaimed Bricks Match an Old Chimney?

The short answer

Often, yes. Reclaimed bricks that are sound and close in size, colour and texture to the old ones can make a rebuilt stack look as though it was never touched. A modern brick is harder to match, and the mortar colour and joint style matter as much as the brick. We show you the options against your own chimney before any brick goes up.

A chimney is one of the most visible parts of an old house. Getting the brick right decides whether a repair looks tidy or patched.

Why old chimney brick is hard to match

Look at a Victorian stack from the street and you see a colour made over many years: the original fired clay, softened by weather, stained by smoke and speckled with lichen. A brick from a merchant's pallet looks flat beside that, however good it is.

What has to match on a rebuilt stack?

Four things: size, colour, texture and the pattern the bricks are laid in, called the bond. A modern brick can differ from an old one in all four. Bricks of a different size will not line up with the old courses, and one that is too smooth or too even in tone stands out from its neighbours.

The mortar between the bricks counts as much as the bricks themselves. A hard grey cement joint on an old stack draws the eye to every brick it touches, while a softer, paler joint lets the bricks speak. Our answer on lime mortar for chimneys explains why many older stacks are repointed in lime. Where only the top courses are rebuilt, the new work sits beside weathered brick directly below, so the match carries extra weight.

Where reclaimed brick comes from

Reclaimed bricks are old bricks cleaned and sold on, from demolished outbuildings, taken-down walls and, sometimes, the lower parts of the same stack.

Are reclaimed bricks always the better match?

Not always. They suit an old chimney when they come from the same period and are sound. Their weakness is condition: a brick that has been soaked and frozen many times may crumble when it is cut or put back into a weather-facing stack. A roofer checks each batch for chips, cracks and flaking faces before using it, and sets the poor ones aside. Bricks that ring clearly when tapped together are usually sound, and dull, flaking ones are not.

Local history helps. The South West Heritage Trust notes that Bridgwater's works made bricks, tiles and terracotta in great variety, and credits them with shaping how many Somerset towns look. That is part of why salvage yards in the area may hold bricks with a local tone, and why a chimney in Taunton can sit comfortably beside Bridgwater-made brick and tile. We say may, because every yard and every batch differs, so we hold samples against your stack and show you pictures of the best fits.

Matching the mortar and the bond

A good brick laid in the wrong pattern or in the wrong mortar still looks wrong. The bond has to continue what the stack already shows, whether that is regular rows or a mix of header and stretcher courses. Joint width and finish matter too: flush, recessed and weathered joints each cast different shadows.

Does the mortar need to be lime?

On an old stack built in lime, a harder cement mortar can trap moisture and push it into the brick instead of letting it dry out, which can damage the face of the bricks over time. Lime lets the stack breathe, and it looks right. We talk the mix through with you after seeing the stack, and show how the repointing will look.

Listed houses need extra care. Listed building consent is required for works that would affect a listed building's character, and the choice of brick and mortar can be one of them. Put the question to Somerset Council's planning team ahead of any work, and keep the answer in writing. Our page on chimney listed building consent covers the route.

Deciding for your stack

Not every repair needs a rebuild. Where the damage is limited to a few loose or frost-split bricks, individual replacements may be enough. Where the top courses have moved, they come down and go back up, reusing sound original bricks where possible and filling any shortfall with reclaimed or new ones laid at the back, where they are least visible.

How do we decide what goes where?

We survey the stack, take pictures of the bricks, joints and bond, and show you what is salvageable and what is not. Weathering, staining and moss on the brick below tell us how much contrast to expect from the new work. A rebuild of the whole stack gives the freest choice of brick, because the stack is judged as a single piece. Colour varies across a pallet of reclaimed brick, so the lighter and darker ones are mixed through the courses instead of being grouped, which stops patches showing.

Read our chimney rebuild page for how the work runs, or start at chimney repairs. Bring a clear picture of the whole stack, taken in daylight, to the first conversation and we will take it from there.

More on matching brick

Will new brick always look different next to the old?

At first, often yes, because weathering takes years. A reclaimed brick or a carefully chosen new one narrows the gap, and mortar colour and joint style narrow it further. On a stack visible from the street, we show you the candidate bricks against your own chimney before any are built in.

Do reclaimed bricks cost more than new ones?

The price depends on how scarce the right brick is, how sound it is and how much cleaning each one needs, so it varies with the stack. After the survey you get one written total, and it already allows for the brick chosen with you. Sourcing a good match can take longer than ordering new.

The full picture: Chimney repairs in Taunton ยท More short answers

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