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Our approach to chimney brickwork in Sanlando Springs
The findings that set the method and the price of chimney masonry work in Sanlando Springs.
Mapping the cracks before choosing a repair
Every crack on a chimney has a direction, a width and a starting point. A line that runs only through the mortar joints tells a different story from one that splits the bricks themselves, and a crack that climbs in steps across several courses tells another. We trace each one on every face of the stack before any repair is priced.
That map decides the method. Joint cracks usually point to mortar work, split units point to brick replacement, and a pattern that suggests movement needs a closer look before anything is filled. Your written estimate names the cracks we found, where they sit and which repair each one calls for.
Mortar chosen for a chimney's exposure
ASTM C270 sorts masonry mortar into types by strength and makeup. For chimneys above grade, the Brick Industry Association's mortar guide recommends Type N, with Type S as the alternate, and it advises choosing the lowest strength that still meets the job's needs.
A chimney stands out in the weather on every side, so the mix has to handle repeated wetting and drying while staying compatible with the brick around it. We name the mortar type on your estimate so you know what is going into the joints and why it suits your chimney. If the existing mortar is unusual, we say so and explain how that changes the choice.
Keeping the chimney wall at its full thickness
Chimney walls, under Florida's residential code, must be 4 inches thick or more, nominal, whether built of solid units or of hollow units grouted full. That thickness is part of what keeps heat and flue gases contained inside the chimney.
A repair that shaves damaged brick back and plasters over it, or sets thin slices in place of whole units, leaves the wall thinner than it was built. Where brick is replaced, our masons set full units bedded in mortar so the wall keeps its original depth. The estimate tells you how many units are involved and where they sit.
