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Spalling brick repair for chimney faces in North Miami Beach

The mortar around each new brick is chosen to protect the bricks beside it, not to overpower them.

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Cracked and flaking brick worth a closer look

  • Brick fragments on the roof or ground
  • Cracks running through single bricks
  • Chipped edges where joints were ground out
  • Mortar gone around a loose brick
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From damaged unit to matched new brick

Dampening before the new brick goes in

Dry brick pulls water out of fresh mortar too fast. Brick industry guidance asks for the surrounding brick to be dampened before a new unit is set. Surface water should soak in first, so the bond is good.

We wet the opening and the new brick as the material requires, then wait for the surface film to disappear. On a warm, dry day that step matters more. It is one of several small steps that decide whether the new unit stays tight or loosens later.

Loose top courses under a failing crown

Loose bricks at the very top of a chimney are often a sign that the crown and the courses under it have taken water for a long time. The mortar there may have washed out, and several units may lift together.

Replacing a few bricks may not be enough in that case. We explain whether the top courses need relaying before a new crown can sit on them. That work is priced separately, and the brick replacement lower down is planned around it.

Leave loose bricks where they are

A loose brick can look easy to pull out. It may bring others with it, and pulling from a ladder or roof edge risks a fall. Brick industry guidance also warns that pulling vines off a wall can damage the brickwork.

Leave loose units in place and keep the area below clear. Describe what you see when you call. We assess the loose brick during the free inspection and remove it safely as part of the agreed work.

Comparing brick replacement proposals

Two quotes for brick replacement can mean very different work. One may cut out damaged units, match the brick and fix the water path. Another may patch faces with mortar and apply a sealer. The prices only compare once you know which.

Ask each contractor how units are removed, how the replacement brick is matched, what mortar is used and what happens about the water source. Our written estimate answers each of those questions, which makes a fair comparison straightforward.

What we check before quoting brick work

  • Surfaces dampened before setting
  • Joints pointed full around new units
  • Mortar suited to the existing joints
  • Separate lines for crown or flashing work

Chimney brick questions we hear

What happens to the mortar around a replaced brick?

The joints around each new unit are filled completely and tooled to match the existing profile. The mortar is chosen to behave like the existing mortar, because a mix that is too hard can damage the bricks next to it.

What if the damage turns out worse once bricks come out?

We stop and show you. If more units are loose or the damage runs deeper, we explain the options and price the added work before continuing. Nothing is added to the scope without your approval.

Can one cracked brick wait, or should it be replaced now?

A single hairline crack in an otherwise firm brick may be watched. A crack through the face, a loose unit or a face that is coming away should be replaced, because water can keep entering there. We explain which applies.

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