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Mortar joint repair for brick chimneys in Lauderhill

Repointing mortar should be softer than the brick, and we explain the mix we choose.

  • Owned and run locally
  • Available for same-day service
  • Fully licensed and insured
  • Family owned and run

Mortar joint problems worth reporting in Lauderhill

  • Hairline cracks running along the joints
  • Earlier repointing popping out in strips
  • White deposits that keep coming back
  • Stepped cracks following the mortar lines
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Mortar joint work behind a drier chimney

Hand chisels and the gentlest mortar removal

Federal preservation guidance describes hand chisels and mash hammers as the least damaging way to remove old mortar. The work is slower, but it poses the least risk to the brick edges. On many chimneys that care is what keeps the finished job looking right.

We use hand tools wherever the brick or the joint calls for them. On very hard mortar or wide horizontal joints, a skilled hand with a suitable tool can help. We explain the method we plan to use and how the brick edges will be protected.

Clearing the vertical head joints by hand

The short vertical joints between bricks are called head joints. Federal preservation guidance says mechanical tools should not be used on them, because a slip cuts into the brick above or below. Brick industry guidance adds that a grinder cannot reach their full depth anyway.

We clear head joints with a chisel. The remaining mortar is taken out to the same depth as the long bed joints, so the finished joints match. It is careful work, and it is one of the places where a quick job and a good one differ most.

What repointing can and cannot restore

Repointing renews the mortar at the face of the joint. Brick industry maintenance guidance notes that it cannot recreate the full bond the original mortar had when the chimney was built. It restores the surface seal and the look, not the original construction.

That is why we are careful about what repointing is asked to do. It suits joints that have weathered around sound brick. It does not repair a chimney that is moving, leaning or loose. When those signs appear, we explain that a wider assessment comes first.

Lime-rich mortar and fine hairline cracks

Mortar with a high lime content behaves differently from dense cement mortar. Federal preservation guidance notes that lime mortar is soft and porous and can re-seal fine hairline cracks as it ages. It also needs careful curing, because it hardens slowly.

Whether a lime-rich mix suits your chimney depends on the brick and the original mortar. We explain the choice and the curing care it would need. If a cement-lime mix is more suitable, we explain that instead, while keeping the mortar softer than the brick.

Inside a chimney repointing proposal

  • Joint survey on every chimney face
  • Dust cleared from the raked joints
  • Mortar chosen to suit the brick
  • Upfront price for each repointing area

Chimney joint work, questions and answers

Is face grouting an option for fine joint cracks?

Brick industry guidance describes surface grouting for small hairline cracks. It changes how joints look, making them a little wider and smoother. Repointing is generally recommended because it suits more kinds of joint damage, and we explain which fits yours.

Do you match the new mortar to the brick or the old mortar?

Both matter. The mortar should suit the brick, which means softer and more permeable than the units and no harder than the original mix. Its color and texture are matched to the existing joints so the repair blends in.

Do you test a small area before repointing the whole chimney?

On larger or visible jobs, a sample area confirms color, texture and profile before the rest proceeds. Brick industry and federal preservation guidance both recommend sample panels. We explain whether one suits your chimney.

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