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.
Styles & brands we work with





See the difference
Before
After
Before
After
Before
AfterSpalling Brick Repair in Houston, TX
Spalling brick repair addresses the crumbling, flaking, or popping of brick faces caused by moisture infiltration and Houston’s punishing humidity cycles. Flint Chimney Co Houston repairs spalled chimney brick by removing the damaged units, installing color-matched replacements, and repointing the surrounding mortar joints. If you’re seeing brick fragments on your roof or patio, call (325) 750-6259 for a written estimate before the damage spreads into the chimney’s structure. This page covers what spalling is, what it costs, and how our process fits under our Chimney Repair in Houston service.
Spalling isn’t a cosmetic quirk. It means water has gotten inside the brick, and when Houston’s summer heat hits, that trapped moisture expands and forces the brick face to fracture and shed. Left alone, spalled brick exposes the softer inner core of the masonry, which absorbs water even faster. What starts as a few flakes on the chimney crown becomes a widening cavity that threatens the chimney’s structural integrity. We’ve repaired chimneys in Meyerland, Spring Branch, and Kingwood through our Chimney Repair services, where a single season of neglect doubled the repair scope.
Key Takeaways
- Spalling brick repair in Houston typically runs $350 – $1,100 for chimney repairs, depending on how many bricks are involved and whether the crown or flashing also needs work.
- Spalling is caused by water penetration. Houston’s freeze-thaw cycle is rare, but humidity plus heat does the same work in a different way.
- Every repair from Flint Chimney Co Houston comes with a written 365-Day Done Right Promise. If the repair fails within a year, we return at no charge.
- You’ll get a written price before any work starts. No surprises at the end of the job.
- We use mortar matched to your existing chimney, and brick sourced to match color and texture as closely as the original.
When You Need Spalling Brick Repair
You don’t need to be a mason to spot spalling. Most Houston homeowners notice one of these signs first:
- Brick flakes or crumbs on the ground or roof. If you find reddish dust or small chunks near the chimney base, the brick face is shedding. That’s spalling, not settling dust.
- Visible pits or indentations in the brick face. Spalled brick loses its smooth fired surface and shows the rougher, lighter-colored interior. It looks like someone took a spoon to the brick.
- Brick faces popping off in sheets. In humid Houston, absorbed moisture pushes the outer layer away as it expands and contracts. You’ll see thin slices of brick lying loose.
- Soft or crumbly brick to the touch. If you press a brick and it gives slightly, the outer layer has already separated from the body. Get it repaired before the whole unit disintegrates.
- Mortar joints that crumble alongside the brick. Spalling rarely happens in isolation. Water entry often attacks the mortar at the same time, so you’ll see both brick and joint damage.
One thing to know: spalling on a chimney is not a do-it-yourself job. Working at height, on a roof, around a damaged chimney structure is dangerous. Falls from roofs account for thousands of serious injuries every year in Texas. We tell homeowners the same thing every time: get a trained professional to look at it. You can inspect from the ground with binoculars, but repairs belong to someone with the right equipment and fall protection training.
Our Spalling Brick Repair Process
We follow the same documented process on every spalling repair in Houston. It’s part of The Garrison Standard, the operating code every Garrison Partners location works under. Here’s how it goes:
- Written assessment and diagnosis. A background-checked, uniformed technician arrives at your home, inspects the chimney, and identifies the full extent of the spalling. We look beyond the visible damage to find the water source, because replacing bricks without fixing the water entry point means the same problem returns.
- Written price before work starts. You get a line-item estimate covering brick replacement, mortar removal and repointing, and any related work like crown sealing or flashing repair. The price you approve is the price you pay. This is non-negotiable for us.
- Brick removal and prep. We remove the spalled bricks individually using controlled methods that protect the surrounding masonry. We don’t take out more than necessary. The cavity is cleaned and inspected for hidden water damage behind the brick.
- Replacement and mortar matching. We install replacement brick matched to your chimney’s existing color, size, and texture. The mortar is mixed to match both color and hardness, because modern mortar that’s too hard can actually accelerate spalling in older chimneys. Where a liner or crown issue contributed to the water problem, we specify products like DuraFlex or Olympia Chimney materials depending on the job.
- Water infiltration correction. If the spalling was caused by a failed chimney crown, damaged flashing, or missing chimney cap, we address that in the same visit. Fixing brick without fixing the water source is half a repair.
- Final inspection and written guarantee. Before we leave, we walk the chimney with you and document the completed work. Every spalling repair carries our 365-Day Done Right Promise in writing. If the covered repair fails within one full year, we come back and make it right at no charge.
How Much Does Spalling Brick Repair Cost in Houston?
Spalling brick repair on a Houston chimney typically costs between $350 and $1,100. Small jobs with one to three spalled bricks and no underlying water damage sit at the lower end. Larger repairs involving multiple bricks, crown resurfacing, or flashing replacement fall at the higher end. If the chimney has structural issues behind the brick, costs can exceed that range, but we’ll tell you that in writing before you commit to anything.
Here’s what typically drives the price:
- Number of spalled bricks. Each replacement brick costs roughly $15 – $35 for the material, plus the labor to remove the old one and set the new one. Labor is the bigger line item.
- Access and height. A ground-level chimney on a one-story home is straightforward. A chimney on a steep roof in The Heights or a two-story home in Cypress requires more safety setup and slower work.
- Water source correction. If the spalling was caused by a failed crown or bad flashing, repairing that adds $150 – $500. It’s the most important part of the job, because without it the new brick will spall too.
- Mortar condition. If the surrounding mortar joints are also degrading, repointing adds $10 – $25 per square foot of chimney face.
- Material matching. Most Houston chimneys use common red or brown brick that’s easy to match. Special size bricks or unusually textured faces cost more to source.
Call (325) 750-6259 and we’ll give you a ballpark over the phone, then come out and put the exact number in writing. The estimate is free, and it’s yours to keep whether you hire us or not.
Why Spalled Brick Can’t Wait in Houston
Houston’s climate is hard on masonry. We get 45 – 55 inches of rain a year, humidity that rarely drops below 60%, and summer temperatures that bake chimney exteriors well past 140°F. Brick absorbs water during wet spells, then the heat expands that trapped water. The cycle repeats hundreds of times over a few years, and the brick face eventually separates from the body. Homes near the coast, in Clear Lake or Galveston County, see this happen faster because of salt-laden moisture.
Once spalling starts, the damage accelerates geometrically. A single spalled brick exposes the softer inner material of that brick, which absorbs water faster. The neighboring bricks stay saturated longer, and within two or three wet seasons you go from two bad bricks to fifteen. The chimney starts to lean or drop debris, and then you’re looking at partial rebuild work instead of a straightforward brick replacement.
Our technicians installed DuraFlex liners and repointed chimneys in neighborhoods like Bellaire, Pearland, and Katy where homeowners waited too long. We’d rather catch the problem at the spalling stage than quote a full rebuild after a season of Texas thunderstorms.
Spalling Brick vs. Efflorescence: Know the Difference
White staining on brick is not spalling. Efflorescence is a cosmetic salt deposit that forms when water moves through brick and leaves minerals on the surface. It looks like chalk dust, and it can be brushed or washed off. Spalling is physical damage: the brick face flakes, pops, or falls away. Efflorescence can be a warning sign of water movement inside the chimney, but it doesn’t mean the brick is failing yet. If you see white stains and crumbling brick on the same chimney, you have both problems, and the water entry needs to be addressed.
What a Written Guarantee Means for Spalling Repair
Most Houston homeowners have been burned by contractors who promise quality and disappear when the work fails. Our approach is different because of The Garrison Code, the set of operating rules every Garrison Partners location runs under. Here’s what that means for spalling repair:
- Every repair gets a written 365-Day Done Right Promise. The guarantee covers workmanship and the materials we installed. It’s valid for one full year from the service date.
- If the covered repair fails within that year, we return and fix it at no charge. No argument, no deductible, no “that’s not covered” runaround.
- The price is written before work starts. The number you approve is the number on the invoice. No change orders, no surprise add-ons, no “we found something else while we were up there.”
Hank Delano, our owner, has run Flint Chimney Co Houston under this standard since joining the Garrison Partners family. The company was founded in 2002, and the guarantee has been the same the whole time: documented, specific, and enforced.
How We Match Brick and Mortar in Houston
Matching brick isn’t guesswork. We source from the same regional suppliers that serve Houston masons, and we match on three criteria: color, size, and texture. Houston’s older homes, particularly those built in the 1950s through 1980s, used locally made brick that has a slightly different hue than modern production brick. We’ll often take a sample from your chimney and physically compare it against available stock before we order.
Mortar matching matters even more than brick matching. Old chimneys were often built with softer lime-based mortar. If you repoint or reset brick using hard modern Portland cement mortar, the new mortar resists water movement differently than the old brick, which can actually worsen spalling over time. We mix mortar to match the original’s hardness and color, so the repair moves with the chimney the way it was designed to.
Where the repair requires structural products, we specify by job, not by margin. That means HeatShield, DuraFlex, Gelco, or Olympia Chimney materials appear on our trucks because the job calls for that specific product, not because we got a deal on inventory.
Houston-Specific Considerations for Spalling Repair
Every city has its own masonry challenges. Here’s what Houston throws at chimneys:
- High humidity and rain volume. Houston’s average rainfall exceeds 45 inches, and most of it falls in heavy events. Chimneys without a proper cap take on enormous water loads in a short time. That water gets into the brick, and the hot sun does the rest.
- Clay gumbo soil movement. Houston sits on expansive clay that shifts with moisture levels. Homes in areas like Katy and Cypress, where the clay is especially reactive, experience foundation movement that transfers stress into chimney masonry, cracking brick and opening water entry points.
- Hurricane and storm exposure. High winds drive water into masonry from angles normal rain never touches. After a hurricane or strong tropical storm, spalled brick often reveals itself as flakes on the patio or roof.
- Salt air near the coast. Homes in Clear Lake, Seabrook, and Baytown deal with salt-laden moisture that penetrates brick and accelerates corrosion of any embedded metal. Spalling in these areas tends to spread faster than inland.
These factors don’t change the repair process, but they do change how we approach the diagnosis. We always ask about storm damage, recent flooding, and any foundation work before we climb up to inspect the chimney.
Common Questions Houston Homeowners Ask Before Hiring Us
We’d rather you know how we operate before you call. Here’s what people usually want to know:
- Do you actually answer the phone? Yes. A live person answers 24/7, every day of the year. No voicemail trees, no callback forms, no “leave a message and we’ll get back to you within 48 hours.” You call, a person answers.
- Will I know the price before you start? Always. You get a written price before any tool comes off the truck. The price you approve is the price you pay.
- Are your technicians background-checked? Yes. Every technician we dispatch is background-checked and uniformed. You’ll know exactly who is walking through your door.
- What if the repair fails? That’s what the 365-Day Done Right Promise is for. If a covered repair fails within one full year of the service date, we return and fix it at no charge.
FAQs – Spalling Brick Repair
How much does spalling brick repair cost in Houston?
Spalling brick repair on a Houston chimney typically costs $350 – $1,100, depending on how many bricks need replacement, roof access difficulty, and whether the water source (crown, flashing, or cap) also needs repair. Call (325) 750-6259 for a free, written estimate with no obligation.
Can you fix spalled brick the same day?
In most cases, yes. If we have matching brick on hand or can source it quickly from a Houston supplier, a straightforward spalling repair can be completed same-day. Complex jobs requiring custom brick matching or extensive crown work may take a second visit. Call (325) 750-6259 and we’ll tell you exactly what your job needs.
Is it cheaper to repair spalled brick or replace the whole chimney?
Repairing spalled brick is almost always cheaper. A full chimney rebuild in Houston can run $4,000 – $12,000, while spalling repair typically stays under $1,100. The key is catching spalling early before the damage spreads into the chimney structure. If you’re seeing brick flakes, get an inspection before the repair scope grows.
What causes brick spalling in Houston?
Spalling in Houston is caused by water penetrating the brick, then expanding as the Texas heat warms the chimney. Houston’s high humidity and heavy rains saturate brick continuously, and the repeated expansion and contraction forces the brick face to fracture. Failed chimney caps, cracked crowns, and bad flashing are the usual water entry points. Call (325) 750-6259 and we’ll find the source, not just patch the damage.
Does the 365-Day Done Right Promise cover spalling repair?
Yes. Every spalling brick repair from Flint Chimney Co Houston includes a written 365-Day Done Right Promise valid for one full year from the service date. If the covered repair fails during that year, we return and fix it at no charge. The guarantee is in writing before we start the work.
Get Your Spalling Brick Repair Estimate in Houston
If you’ve got brick flakes on the ground, pits in the chimney face, or crumbling mortar joints, don’t wait for Houston’s next rain event to make it worse. Call (325) 750-6259 and we’ll send a background-checked, uniformed technician to assess the damage, identify the water source, and give you a written price before any work starts. That price is yours to keep, and so is the estimate. No pressure, no surprises, just a straight answer from a company that’s been doing this since 2002 under The Garrison Standard.
Written by Hank Delano, Owner at Flint Chimney Co Houston, serving Houston.