Natural and cultured stone chimney repair in Rock Lake
We look at your stone chimney in Rock Lake closely and describe it in everyday words, with same-day visits when the schedule allows.
- Licensed & insured
- Locally run
- Family owned and operated
- Same-day service available
The stonework estimate for your Rock Lake home
In Rock Lake, these findings decide between resetting a few stones, repointing or rebuilding the backing.
- Every reachable stone tapped for hollow spots
- Replacement stone sourced and compared
- Deep joints filled in layers
- Joints tooled to match the existing profile
Stonework know-how from our Rock Lake crew
Short reads that help before you approve stone work in Rock Lake.
Working in hot or dry weather
The same instructions say that in hot or dry weather, the back of each stone should be moistened with a fine spray or wet brush, and a concrete, masonry or scratch coat backing dampened before mortar goes on. Surfaces should look damp but carry no standing water.
Skipping that step lets the stone and backing pull water from the fresh mortar too quickly, weakening the bond. We plan the work and the dampening around the conditions on the day.
Flashing where the stone starts and stops
The maker's instructions call for corrosion-resistant flashing or weep screed and a means of drainage at all penetrations and terminations of the stone cladding, with flashing type and locations following the applicable building code.
On a chimney, those edges include the roof line, the top under the cap and any trim transitions. Missing or failed flashing at an edge can explain water behind stone, so we check every edge on the chimney.
Brushing joints after tooling
After tooling, excess mortar at the edge of a joint can be brushed away with a natural bristle or nylon brush, according to the brief, which also says metal bristle brushes should never be used on historic masonry.
Metal bristles scratch stone and leave steel fragments that rust into stains. Our crew carries soft brushes for every stone job and brushes at the right point in the set, so the stone faces stay clean.
Waiting before cleaning new stone joints
The brief warns that new mortar joints are especially easy to damage because they do not become fully cured for several months, and that thirty days is usually enough before cleaning a freshly repointed wall, depending on weather and exposure.
So a stone chimney that looks dusty after repointing gets a dry brushing at the end of the job and nothing more aggressive until the mortar has hardened. We give you the date when any further cleaning can safely happen.
Branches and stone chimneys
Branches that rub against a chimney scrape stone faces and joints each time the wind moves them, and leaves and twigs build up on caps and in gutters beside the chimney.
We point out limbs that touch or overhang the chimney during the inspection. Trimming is usually a separate trade. Removing the rubbing contact protects the repair we make.
Other work in Rock Lake
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Stone chimney questions from Rock Lake
Weighing it up? Read these, then book the free stone check in Rock Lake.
Will the new mortar match the old joints?
We match color, texture and joint profile as closely as we can, mostly by matching the sand. New mortar usually looks a little different at first and blends as it weathers. We show you a small sample area before we repoint the whole section.
Why do you use a softer mortar on stone?
Repointing mortar should be softer and more vapor permeable than the stone around it, so moisture leaves through the joints and any stress is taken by mortar that can be replaced. Mortar that outlasts the stone in hardness tends to push the damage into the stone faces instead.
Request your free estimate
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- Free inspection
- No hidden fees
- Family owned and operated
Need an answer now? Call (352) 675-6376
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