Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Repair Across Sweetwater
Chimney repair in Sweetwater usually costs between $210 and $1,850 depending on what’s actually wrong, with most masonry jobs landing in the $350-$900 range. We work in Sweetwater weekly, which means we can usually get a technician to your door within a few days of your call, not weeks. Our crews know the difference between a 1972 concrete-block duplex off SW 107th Avenue and a 1985 ranch on the west side of Florida’s Turnpike, because they see both every month. If you’re noticing a soot smell, crumbling brick, or water staining near your chimney, call us at (786) 305-7861 and we’ll put a written price in front of you before any work starts.
Key Takeaways:
- Most chimney repairs in Sweetwater run between $350 and $900; relining or rebuilding can go higher.
- Every job gets a written price before we start. No exceptions.
- All repairs carry a 365-Day Done Right Promise in writing.
- We handle shared flue issues common to Sweetwater’s attached duplexes and townhomes.
Why Flint Chimney Co Miami Is Sweetwater’s Preferred Chimney Repair Company
We’re part of the Garrison Partners family, founded in 2002, and we’ve built our reputation in Sweetwater on showing up when we say we will and putting every commitment on paper. The homes here ask a lot of a chimney company: shared walls, tight roof access, 60-year-old block construction, and weather that beats on exterior masonry from May through October. None of that is theoretical to us. Our technicians work under The Garrison Standard, which means written pricing before tools come off the truck, background-checked uniformed crews, and a one-year written guarantee on every repair we perform.
When a Sweetwater homeowner calls, a live person answers the phone. Always. Not a callback form, not a voicemail tree. That matters when you’ve got water running down your interior stucco on a Saturday afternoon. We’ll get a technician out to assess the damage, and you’ll have the price in writing before we touch anything.
Hank Delano leads our team, and the standard he sets is simple: if a covered repair fails within a full year of the service date, we return and make it right at no charge. No argument, no re-quote, no fine print.
Styles & brands we work with
Chimney Masonry Repair in Sweetwater
Chimney masonry repair in Sweetwater almost always comes back to two things: moisture and age. The concrete-block chimneys on 1960s and 70s homes here were built for a different climate reality, and decades of afternoon downpours have worked their way into the block, the mortar joints, and the firebox. We repair spalling block, repoint failing mortar, rebuild damaged crowns, and waterproof exterior masonry so it stops absorbing water.
Mortar repointing on a typical Sweetwater chimney runs $450-$900. Spalling brick repair – where we cut out crumbling face brick and replace it – generally runs $600-$1,400 depending on how much of the face has failed. A full chimney crown rebuild lands in the $800-$1,500 range. Those are the numbers we write on your estimate, and they hold.
Repointing and Tuckpointing
The mortar joints on a 50-year-old Sweetwater chimney are often original. Once water gets into those joints, it accelerates deterioration through the wet-dry cycle of our climate. We grind out failed mortar to a clean depth and repoint with a mix matched to the original mortar’s strength, not one that’s harder than the block. On stucco-clad townhomes, we often use tuckpointing techniques to keep the exterior profile clean and the moisture sealed out.
Rebuilding Damaged Crowns
Low-profile chimney crowns on 1980s ranch homes develop hairline cracks that no one notices until a heavy thunderstorm sends water through the flashing and into the attic chase. We form and pour a proper crown with overhang and drip edge, then waterproof it. A crown that’s been repaired correctly in Sweetwater will shrug off the daily summer rain we get here.
Chimney Cap Installation in Sweetwater
Chimney cap installation in Sweetwater is one of the highest-value repairs we do, and it’s usually straightforward. A correctly fitted cap keeps rain, birds, lizards, and debris out of the flue, and in attached housing it also prevents one unit’s exhaust from being pushed back down into another unit when wind loads shift. Most cap installations in Sweetwater run $300-$650 including the cap, fasteners, and labor. Custom stainless caps for odd-sized or decorative flues run higher, typically $550-$900.
We install professional-grade caps from Copperfield and Gelco, most of which we stock in our South FL office so we don’t have to wait on a parts order to finish a Sweetwater job. Dispatch and scheduling are coordinated from that office, and crews serve Sweetwater locally.
Protecting Shared Flue Stacks
In the duplex clusters along SW 8th Street and around Sweetwater Elementary, a single uncapped flue can pull water, nesting material, or exhaust from a neighboring unit into a firebox that never gets used. A properly sized cap on every flue in the stack stops that cross-contamination before it starts. We check the entire stack when we install, even if you only asked about your side.
Stopping Storm-Driven Rain
An uncapped flue in a Sweetwater summer is an open pipe for rainwater. Just one afternoon thunderstorm can drop enough water into a firebox to start spalling the block and staining the hearth. A rain cap with a screened side keeps water out while still allowing draft.
Trusted Brands We Service in Sweetwater
We work with materials from Gelco, Copperfield, and Olympia Chimney, and we choose them for a reason: they hold up in the humid, salt-adjacent air of South Florida. We keep common cap sizes and masonry materials in local stock so Sweetwater customers aren’t waiting on a warehouse in another state. If your chimney has an existing cap or liner from one of these brands, our technicians know the specs and can repair or replace it without guesswork. Every material we put on a Sweetwater chimney is selected for this climate, not for our margin.
We were called to a 1972 concrete-block duplex off SW 107th Ave after one tenant complained of a faint soot smell whenever the neighbor ran their gas dryer. Our tech found the two flues adjoined inside a single brick chase with a cracked middle wythe and no chimney cap on the abandoned left flue. We installed a Gelco cap over the unused liner, parged the shared wall with HeatShield, and upgraded the active flue’s damper. Smoke chamber readings returned to normal draft on both sides.
Common Chimney Repair Problems We See in Sweetwater Homes
We see the same handful of failures repeat across Sweetwater, and they’re tied directly to how this city was built and the weather it gets. Here are the four most common:
- Shared flue wall cracks in attached duplexes. Differential settling causes the masonry between two units’ flues to crack, letting flue gases migrate into the adjacent unit’s smoke chamber even when its damper is closed. This is a Sweetwater-specific risk that single-family homes don’t share.
- Storm-driven rain through uncapped decorative chimneys. Fireplaces that never get used still take on water, saturating the firebox and causing spalling on the concrete-block wythe before staining the interior stucco.
- Nests blocking rarely used flues. Bird and lizard nests are common in older ranch homes without caps, and a blocked flue in a Sweetwater summer turns into a moisture trap and a draft problem fast.
- Failed flashing at the roofline. The original flashing on 40-to-60-year-old homes has spent decades expanding and contracting through storm cycles, and once it lifts, water rides straight into the attic chase.
See the difference
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AfterPricing for Chimney Repair in Sweetwater, FL
Here’s what you can expect to pay for chimney repair in Sweetwater. These are honest market ranges based on what we actually quote on this side of Miami-Dade:
- Mortar repointing: $450-$900
- Chimney cap installation: $300-$650 standard, $550-$900 custom
- Spalling brick repair: $600-$1,400
- Chimney waterproofing: $350-$700
- Flashing repair or replacement: $400-$1,000
- Partial chimney rebuilding (above roofline): $1,200-$3,000+
- Flue relining (replacing the inner liner that channels smoke safely out of the house): $1,500-$3,500
The final number depends on roof access, how much masonry has failed, and whether we’re working on a single-family chimney or a shared stack. You’ll always get a written price before we begin, and the number on the invoice is the number you approved. Call (786) 305-7861 for a free estimate – it takes one visit, and there’s no obligation.
We Also Serve Cities Near Sweetwater
Our crews cover Sweetwater and the surrounding South Florida area, including Sweetwater, Miami, Miami Beach, Miami Lakes, and Coral Gables. If you’re in one of those cities and dealing with a chimney issue, the same written guarantee and same-day response applies. We schedule from our Miami office and dispatch local technicians across the full metro.
Serving Sweetwater, FL - Our Local Coverage Area
We’re based in the Sweetwater area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Chimney Repair in Sweetwater
Yes, and this is one of the most common calls we get in Sweetwater’s attached housing. When two units share or adjoin flues, a crack in the common wall, a missing cap, or a backdraft on the active side can push combustion gases into the adjacent unit. We test for this with a manometer and close-range inspection of the shared chase. Call (786) 305-7861 and we’ll schedule an assessment.
That chalky white residue is efflorescence – mineral salts left behind when water migrates through masonry and evaporates. The crumbling is spalling, which happens when block or brick absorbs too much storm water and the surface fails. The fix is usually a combination of repointing, waterproofing, and making sure the flue is capped. We’ll give you a written scope and price before any repair starts.
Once every two to three years, even if you never light a fire. Sweetwater’s humidity and afternoon storms are hard on chimneys, and a decorative fireplace with a blocked flue or cracked crown can still cause water damage and cross-unit exhaust issues. An inspection costs less than repairing a water-damaged ceiling. Call us to book one.
You can remove the debris, but nesting animals often dislodge caps, damage mortar, or leave material deeper down the flue than you can reach safely from above. We recommend letting a technician remove it, check the flue for damage, and install a proper screen cap so the next bird doesn’t move in. It’s a quick job and a clean fix.
It can. When chimneys share a single masonry chase, water or exhaust from one unit can travel through cracks into the adjacent flue. The leak may be in your neighbor’s side of the stack, but you’ll see the staining on your interior wall. These conditions respond well to repointing and cap work. We’ll evaluate the whole stack, not just the side that called us.
Contact Flint Chimney Co Miami
If you’re looking for Chimney Repair in Sweetwater, call (786) 305-7861 for a free estimate. You’ll get a live person, a written price, and a one-year guarantee on every repair we do.
Written by Hank Delano, Owner at Flint Chimney Co Miami, serving Sweetwater since 2002.