Chimney brick replacement done unit by unit in North Miami
Replacing spalled brick in North Miami, set in full joints and tooled to shed water.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Brick trouble you can spot from the yard
- White deposits around damaged bricks
- Spalled brick just above the roofline
- Bright hard joints beside broken faces
- A clear sealer flaking off the brick
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Replacing chimney bricks the careful way
Finding the water behind spalled brick
Replacing a spalled unit treats the visible effect. Brick industry maintenance guidance asks that the cause be corrected too, and with spalled brick that cause often involves water. It may come from a failed crown, loose flashing, open joints or a leaking cap.
We check those parts during the inspection and note which ones are feeding water into the damaged area. If one needs repair, it is priced as a separate item. Replacing bricks after the water path is closed gives the new units a fair chance.
Coatings that trap moisture behind the face
Some coatings form a film on the brick. Brick industry guidance on clear coatings explains that film formers slow the drying of the masonry through its face. Water held inside can lead to clouding and to spalling.
If your chimney was sealed or painted and the faces are now coming away, the coating may be involved. We explain what we see and whether the remaining coating affects the replacement work. New units are not coated as part of the job, and any later treatment is discussed separately.
How the wrong mortar spreads the damage
A replacement set in the wrong mortar can cause the very problem it was meant to fix. Brick industry maintenance guidance says the wrong mortar may cause spalling and cracking in the existing brick around the repair.
That is why we do not reach for a hard, fast mix to finish quickly. The mortar should be no harder than the wall can tolerate. If earlier repairs used hard mortar and the bricks beside them are failing, we explain that pattern and how the new work avoids repeating it.
Exposed cores at the chimney shoulders
Where a chimney steps in at its shoulders, bricks are cut and set back on each course. Brick industry guidance on chimney construction says the cores of units should not be exposed there, and prefers solid brick on a setting bed over a mortar wash.
When shoulder bricks spall, their cores can open to rain, and water drains into the wall below. We look at the shoulders closely and explain whether replacing units with solid brick, renewing a wash or both would stop the water getting in.
What we check before quoting brick work
- New brick buttered and set in place
- Solid wall kept around the flue
- Separate line for wider repointing
- Curing care for the new joints
Spalled brick replacement answers
How do you match new brick to an older chimney?
We compare size, color, texture and the range of shades in the wall, and we can set out a sample to judge the match. Finding a close brick can take some searching. New brick may look fresher at first.
Can a crumbling brick just be patched with mortar?
A skim of mortar over a lost face is not a brick. It tends to crack away and can hold water against the damaged unit. We cut out and replace units that have lost their face or cracked through.
Why does the mortar around new bricks need curing care?
Mortar that dries too fast bonds poorly. We keep the new joints damp and out of strong sun as needed and tell you what to avoid, such as washing or cleaning chemicals, while they harden.
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Local service. Careful repairs. A fireplace worth coming home to.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo