Chimney brick replacement and spalling repair in Beach Park

How salts inside brick push the face off

Water moving through masonry carries dissolved salts. When that water evaporates at the surface, the salts are left behind as efflorescence. If the water dries out a little way beneath the face instead, the salts form crystals within the brick itself.

The Brick Industry Association explains that salts crystallizing within masonry can develop pressures that may result in spalling. That is one reason spalling tends to follow water entry, and why slowing the water down matters as much as replacing the bricks.

Our team looks for signs of salt movement, such as persistent white deposits, when we assess the damaged area.

Repairing brick on a painted or coated chimney

A painted or coated chimney hides the brick, so damage can progress behind the finish before it shows. Peeling in sheets, bubbles and flaking brick visible through gaps are the usual signs.

The Brick Industry Association links film-forming coatings to spalling when moisture is trapped behind them. When we repair a coated chimney, we assess how the finish affects drying and explain what that means for the new bricks and for any refinishing.

Tell us what the chimney was painted with if you know. It helps us plan the repair and the finish.

Dealing with earlier patch repairs

Patching compound or mortar smeared over a damaged brick face may look tidy for a while, but it can leave weakened material behind and trap water against it. When a patch comes loose, the brick behind it has often kept deteriorating.

We remove failed patches, assess what is underneath and replace the units that cannot stay. Patches that are still sound are noted, and we explain whether they are worth leaving.

The aim is a repair that is part of the chimney, not a layer on top of a problem.

Where a patch has held and the brick behind it is sound, removing it can do more harm than good, and we will tell you so.

Exterior chimney brick and firebox brick are different jobs

The bricks inside a firebox are firebrick, set to handle direct heat, and they are repaired with materials made for that purpose. The bricks on the outside of the chimney are building brick exposed to the weather.

This service covers the exterior masonry. If the firebox also has cracked or loose brick, we note it and explain the firebox repair separately, because the materials and methods are not the same.