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 Hornsby Bend
Chimney repair in Hornsby Bend usually falls into two buckets: water getting where it shouldn’t, and masonry shifting because the clay soil under your foundation moves. Most repairs run $350 – $900 for flashing and crown work, and $1,200 – $3,500 when structural rebuilding is involved. We’re Hadley Chimney Austin, and we work on chimneys all through Hornsby Bend, from the larger ranch properties off FM 969 to the custom builds tucked along the Colorado River. Call (361) 603-5116 and you’ll get a live person, a written price before anyone touches a brick, and a repair backed by a written 365-day guarantee.
Why Hadley Chimney Austin Is Hornsby Bend’s Preferred Chimney Repair Company
Hornsby Bend isn’t Austin. The lots are bigger, the houses sit on expansive clay, and a lot of the chimneys we see have moved in ways a standard chimney sweep from a dense urban route just doesn’t encounter. We plan our Hornsby Bend days around the actual conditions here: drive times down FM 969, properties with multiple flues, and chimneys that are visibly off-plumb before we even set a ladder. Our technicians know that a chimney on a 1980s ranch home in Hornsby Bend will behave differently than one on a newer custom build, and we bring tools sized for both.
Cory Mitchell leads our team, and he’s built the company around a simple rule since 2003: show the homeowner what you found, show them what you fixed, and put the price in writing before the work starts. The Relay Visibility Guarantee is part of every visit in Hornsby Bend. That means live arrival tracking, before-and-after photos you actually receive, and a digital invoice you can pay from your phone. We answer calls with a real person around the clock, not a callback queue.
Every repair we do in Hornsby Bend carries a written guarantee. If a repair fails within 365 days, we return and fix it at no charge. That’s the Done Right Promise, and it’s not an upsell. It’s the standard.
Styles & brands we work with
Chimney Flashing Repair in Hornsby Bend
Chimney Flashing Repair in Hornsby Bend is one of the most common repairs we handle, and here’s why it’s different than in most of Austin: the expansive clay under Hornsby Bend homes swells and shrinks with rain and drought, and that movement can pull flashing away from the chimney stack by a quarter inch or more. Once that seal breaks, water from a Colorado River valley storm runs straight down behind the masonry and into your attic or ceiling. In Hornsby Bend, flashing repair typically runs $350 – $700 depending on how much of the old metal needs replacing and whether the chimney has shifted enough to need re-securing before new flashing goes on.
Signs Your Flashing Has Failed
Water stains on the ceiling near the fireplace, damp drywall in the attic, or a musty smell around the hearth after heavy rain are the usual clues. By the time you see a stain, the flashing has likely been leaking for weeks. We pull back the old flashing, inspect the brick underneath, and photograph everything so you can see exactly what failed before we quote a fix.
Repair vs. Replacement
Sometimes the flashing just needs resealing with a quality caulk and new step flashing. But on older Hornsby Bend ranch homes where the chimney has tilted slightly, the flashing has to be custom-bent to match the new angle. We carry flat stock on the truck for that reason. You’ll get a photo of the old flashing next to the new piece so the difference is obvious.
Chimney Crown Repair in Hornsby Bend
Chimney Crown Repair in Hornsby Bend addresses the concrete or mortar cap at the top of your chimney, the part that keeps rain out of the flue and off the brick below. Crowns crack here more than almost anywhere because the same clay soil movement that shifts the chimney also flexes the crown. A cracked crown lets water soak into the brick, and once that water freezes during a central Texas cold snap, spalling starts. Crown repair in Hornsby Bend typically runs $400 – $850 for a full seal and rebuild using a flexible product like Gelco, which moves with the chimney instead of cracking again in two years.
Why a Cracked Crown Becomes a Structural Problem
Water that gets through a crown doesn’t stop at the top. It works down into the flue liner, accelerates creosote corrosion, and eventually reaches the firebox. On a multi-flue ranch home in Hornsby Bend, one cracked crown can damage both flues before you notice anything from inside. We look for hairline cracking, flaking concrete, and any place where the crown meets the flue tile.
Gelco Crown Sealing
We use Gelco sealant for most crown work in Hornsby Bend because it flexes with soil movement and holds up to central Texas UV exposure. Rigid mortar patches tend to crack again within a season or two on shifting chimneys. A Gelco crown costs a little more up front than a mortar skim coat, but it’s the difference between a five-year fix and a fifteen-year fix.
Trusted Brands We Service in Hornsby Bend
We work with materials chimney pros actually rely on, and we keep the common ones stocked for Hornsby Bend jobs. DuraFlex stainless liners go into most of our relining work because they handle the temperature swings and high humidity around the river valley without corroding. HeatShield is our go-to ceramic repair compound for cracked flue tiles when a full liner isn’t necessary. We also install Copperfield chimney caps and dampers on a regular basis. When you book a repair, you’ll know which brand of part is going in and why it was chosen, not just that “a part” was used. That matters on a repair you’re paying real money for.
Common Chimney Repair Problems We See in Hornsby Bend Homes
- Off-plumb chimneys from clay soil movement. Expansive clay in Hornsby Bend swells in wet seasons and shrinks in drought, and over 20 or 30 years that can push a masonry chimney 2 to 3 degrees off vertical. A leaning chimney tears flashing, cracks the crown, and changes the flue geometry so creosote builds faster in the offset.
- Third-degree creosote hiding in hairline cracks. High humidity along the Colorado River valley turns what would be dry, brushable first-degree creosote into a tar glaze. When a chimney has hairline cracks from settlement, that glaze gets into the cracks where a standard brush can’t reach it, and it becomes a genuine fire hazard until it’s removed with a chemical treatment or rotary tool.
- Abandoned flues after gas insert conversions. A lot of Hornsby Bend ranch homes had wood-burning fireplaces that got converted to gas inserts years ago. The second flue often got abandoned without a proper cap, and raccoons, squirrels, and birds move in. That blocks draft for the remaining wood-burning fireplace and introduces nesting material, which is itself a fire risk.
- Spalled brick from freeze-thaw cycles. Hornsby Bend doesn’t get long freezes, but it gets enough short ones to matter. Water soaks into brick during a storm, a freeze hits at 28 degrees, and the face of the brick pops off. We see this most on chimneys that already have failed flashing or cracked crowns, because that’s where the water gets in to begin with.
See the difference
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AfterPricing for Chimney Repair in Hornsby Bend, TX
Here’s an honest range, not a teaser. Flashing repair in Hornsby Bend runs $350 – $700. Crown repair runs $400 – $850. Mortar repointing and tuckpointing run $30 – $50 per square foot of brick face. A full chimney rebuild on a shifting ranch home starts around $2,000 and can reach $5,000+ if the flue liner is also compromised. What moves the price: how far off-plumb the chimney is, whether one flue or two are involved, and how much brick needs replacing versus sealing. You’ll get a written price before we start, every time. Call (361) 603-5116 for a free estimate, and we’ll send photos of what we find before you commit to anything.
We Also Serve Cities Near Hornsby Bend
Our crews handle Chimney Repair throughout the eastern Travis County corridor. Beyond Hornsby Bend, we regularly schedule work in Austin, Cedar Park, San Marcos, and Jollyville. If you’re just outside Hornsby Bend proper, chances are we’re already routing a technician through your area this week. The same written pricing, photo documentation, and 365-day guarantee apply in every one of those cities, including Hornsby Bend itself.
Serving Hornsby Bend, TX - Our Local Coverage Area
We’re based in the Hornsby Bend 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 Hornsby Bend
Because a sweeping on a chimney that’s leaning 2 degrees off vertical can wedge a brush in the flue, and because settlement cracks hide creosote in places a standard cleaning can’t reach. We measure plumb before we lift a brush. On a large-lot custom home off FM 969, our techs found a masonry chimney leaning 3 degrees out of plumb, with spalling brick and a cracked flue liner. We rebuilt the crown with a Gelco sealant, installed a DuraFlex stainless liner, and added a custom chimney cap before the first freeze. That’s the sequence a safe repair follows: know the structure, then clean it. Call (361) 603-5116 to schedule an assessment.
The humidity near the Colorado River keeps creosote from drying out the way it does in a West Texas chimney. First-degree creosote, the flaky soot that brushes off easily, absorbs moisture and becomes a sticky, glazed third-degree layer that hardens on flue tile. That glaze can’t be brushed; it has to be mechanically removed or chemically softened, and when it’s soaked into hairline settlement cracks, the flue tile itself often needs to be sealed or lined. It turns what would be a $200 sweep into a $1,500+ liner repair, and that’s a real pattern in Hornsby Bend homes.
Yes, in most cases. A crown repair is isolated to the top 2 to 4 inches of the chimney, the part that caps the stack and sheds water. If the brick below is intact and the flue liner is sound, we grind out the cracked old crown, form a new one with concrete or Gelco, and you’re done in half a day for $400 – $850. Rebuilding the entire stack only becomes necessary when the brick has spalled badly, the mortar joints are failing through the whole height, or the chimney has shifted far enough that the stack is structurally unsafe. We’ll show you photos that prove which situation you’re in before we quote a rebuild.
The first priority is flashing, because an off-plumb chimney tears its flashing at the roof line and lets water in. The crown usually needs resealing too, since it flexes as the chimney leans. In severe cases, where the lean exceeds safe limits or the flue geometry has changed, the entire stack may need to be taken down and rebuilt with proper footings or anchors. We measure the lean with a plumb bob and give you the number in degrees, not just “it looks tilted.” That’s the kind of specific, verifiable information that tells you whether you need a $400 flashing fix or a full rebuild.
You need to address it, yes. If the wood-burning flue was abandoned without a proper cap and damper, it’s a highway for animals, humidity, and cold air that can block draft for the gas insert’s own venting. We seal abandoned flues with a proper cap and often install a top-mounted damper so the flue can be reopened if you ever want wood burning again. The repair itself is modest, usually $250 – $500, but skipping it can damage the flue to the point where a $2,000+ liner becomes necessary later. Call (361) 603-5116 and Cory Mitchell will talk you through what your specific conversion left behind.
Key Takeaways for Hornsby Bend Homeowners
- Flashing repair runs $350 – $700; crown repair runs $400 – $850; a full rebuild starts around $2,000.
- Hornsby Bend’s expansive clay soil shifts chimneys off-plumb, which causes flashing tears, crown cracks, and creosote hiding in settlement fractures.
- High humidity near the Colorado River turns first-degree creosote into a tar glaze that standard brushes can’t remove.
- Every repair includes a written price before work starts, before-and-after photos, and a 365-day written guarantee.
- Call (361) 603-5116 for a free estimate, and a live person answers, 24/7.
If your chimney is leaking, leaning, or just hasn’t been looked at in years, don’t wait for the next cold snap to find out what’s wrong. Call Hadley Chimney Austin at (361) 603-5116 for a free estimate. We’ll send a technician to your Hornsby Bend home, show you photos of anything that needs repair, and give you a written price before any work begins. No vague windows, no surprise charges, and a real person on the phone every time.
Written by Cory Mitchell, Owner at Hadley Chimney Austin, serving Hornsby Bend with transparent, photo-documented chimney repair since 2003.