Level 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.
Before
After
Before
After
Before
AfterFast, Reliable Chimney Repair Across Denver
Chimney repair in Denver typically runs $185 for a minor crown seal to $4,800 for a full above-roofline rebuild, with most jobs falling between $450 and $1,800. Most repairs we schedule are completed in a single visit, and every Denver job gets a written price before anything comes off the truck. At 5,280 feet, Denver chimneys work harder than they look like they do, and we build every repair around that fact. If you have a leak, a cracked crown, loose flashing, or a flue liner that has given up, call (830) 251-4560 for a straight answer and a fixed quote.
Why Flint Chimney Sweep Is Denver’s Preferred Chimney Repair Company
Flint Chimney Sweep has been part of the Garrison Partners family since 2002, and we run every Denver repair under The Garrison Standard: a written price before work starts, a written guarantee valid one full year, and a free return visit if a covered repair fails inside that window. No asterisks. No “we’ll see when we get up there.” The number you approve is the number on the invoice.
Our Denver customers tend to be homeowners who have already been burned once, usually by a company that quoted one price on the phone and a much bigger one from the driveway. We hear it constantly in Washington Park, Berkeley, and Hilltop. That is exactly the pattern our process exists to break. Hank Delano, who runs Flint Chimney Sweep, built the company around documentation: camera evidence, a photo report you keep, and a written scope of work before we touch your chimney.
Every technician who arrives at a Denver home is background-checked and in uniform. You know who is walking through the door, and you know what they are going to charge before they climb the ladder. If you call at 2 a.m. with a chimney emergency, a live person answers. That has been true since day one.
Chimney Liner Installation in Denver
Chimney liner installation in Denver is what we recommend when a camera inspection shows cracked clay tiles, gaps between tile sections, or a liner that has deteriorated to the point where flue gas can reach the chimney structure or the house itself. At Denver’s altitude, an underperforming liner is a real risk: thinner air means weaker draft, and a compromised liner makes an already-marginal draft worse. We install liners from DuraFlex and Olympia Chimney, and we specify the material by the job, not by what is easiest to sell.
What the Work Actually Involves
We run a camera up the existing flue, document the condition with photos, and give you a written price for the liner and installation before any work begins. The installation pushes a new stainless or hybrid liner down the flue, secures it at the top and bottom, and reconnects the appliance. We do not recommend a liner unless the camera evidence supports it, and we hand you the photos either way.
Signs a Denver Home Needs a New Liner
Homes in older Denver neighborhoods like Platt Park, Baker, and Congress Park often have original clay tile liners from the 1920s through the 1950s. Those tiles crack under decades of freeze-thaw cycling. A full liner replacement in Denver typically runs $1,900 to $4,200 depending on flue length and access. If the liner is partially intact, a HeatShield resurfacing repair often runs $1,100 to $2,400 and does the job without a full tear-out.
Chimney Flashing Repair in Denver
Chimney flashing repair in Denver is one of the most common calls we get, and it is rarely the roof’s fault. Denver’s spring snows melt against the chimney, the meltwater refreezes around the flashing at night, and the repeated expansion works the metal away from the masonry. The result is a ceiling stain the homeowner blames on the roof, when the actual path is water running down the outside of the flue liner from a flashing joint that opened at the roofline.
What Flashing Repair Actually Fixes
Flashing is the metal that seals the joint where the chimney meets the roof. In Denver, that joint is under constant attack from the freeze-thaw cycle. We remove the failed flashing, inspect the mortar behind it, and install new step and counter flashing sealed with a high-grade chimney sealant from Copperfield. A typical flashing repair in Denver runs $450 to $1,200 depending on access and how much existing flashing has to come out.
When Flashing Fails in Denver Homes
We see failed flashing most often on south-facing chimneys in neighborhoods like Sloan’s Lake and Montclair, where the afternoon sun softens the sealant and the overnight freeze contracts it. That cycle repeats a few dozen times each winter and spring enough to open a seam you cannot see from the ground. A Level 2 camera inspection catches it. A quick look from the yard never will.
Trusted Brands We Service in Denver
We work with professional-grade chimney products from Olympia Chimney, Famco, and Copperfield because Denver homeowners deserve to verify the materials going into their chimney without taking our word for it. These are the brands chimney pros actually use, and we keep common liners, caps, and flashing components stocked for Denver jobs so a repair does not stall waiting on a shipment from Ohio. When we install a DuraFlex liner or a HeatShield repair, the product name goes on your invoice, so you can look it up yourself before we even start.
Common Chimney Repair Problems We See in Denver Homes
- Freeze-thaw crown cracking: Denver swings from 60°F afternoons to below-freezing nights for weeks at a time, which cracks the chimney crown and lets meltwater run down inside the flue system. By the time a ceiling stain shows up in a Park Hill living room, the crack has usually been open for months.
- Third-degree creosote glazing: A couple of shoulder-season burns with less-than-dry wood can glaze creosote inside the flue of a wood-burning fireplace. A standard brush polishes it, and the homeowner thinks the chimney was cleaned. A camera shows what actually happened.
- Spalling brick from dry winters and wet springs: Denver’s low humidity pulls moisture out of brick faces, and spring meltwater soaks them back. The surface pops off in sheets, and brickyards in nearby Boulder and Greeley stay busy. Spalled brick left alone opens the way for water and pests.
- Rusted caps and animal entry: When the cap rusts through, squirrels and birds get into the flue, and a nest blocks the draft. We find this in every Denver neighborhood with mature trees, from Washington Park to Cherry Creek to the Highlands.
Pricing for Chimney Repair in Denver, CO
A standard chimney sweep in Denver runs $189 to $269, and a Level 2 camera inspection runs $249 to $399 on its own or is included with most repair quotes. Repointing mortar joints runs $45 to $75 per square foot of masonry face. Crown repairs run $185 for a minor seal to $1,100 for a full crown rebuild. Flashing repair runs $450 to $1,200. Liner installation runs $1,900 to $4,200, with a HeatShield alternative at $1,100 to $2,400. A full above-roofline chimney rebuild in Denver runs $3,200 to $4,800. These are the numbers we quote over the phone. They do not change when the technician arrives. Call (830) 251-4560 and we will give you a written price before anything comes off the truck.
We Also Serve Cities Near Denver
Our Denver crews regularly take calls from Boulder, Greeley, Fort Collins, and Colorado Springs. If you live in one of those cities and need Chimney Repair in Denver standards of work, our dispatch will route a background-checked technician to you directly. The same written pricing and the same 365-Day Done Right Promise apply, no matter which side of the metro you are on.
Serving Denver, CO - Our Local Coverage Area
We’re based in the Denver 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 Denver
If you burn wood, once a year. If you never burn, an inspection every two to three years is usually enough, unless your home is in an older Denver neighborhood with original masonry. It matters even if you never light a fire because the freeze-thaw cycle still attacks the crown, the flashing, and the brick from the outside, and a rusted cap or spalled brick lets water in whether the flue is hot or cold. Call (830) 251-4560 and we will tell you what your chimney actually needs, not what we want to sell.
You get a written price before any work begins, and that is the number on the invoice. If the technician finds something the initial quote did not cover, we stop, show you the camera evidence, and give you a new written price before we do anything else. We never work past the approved number. This is The Garrison Standard, and it applies to every Denver job, no exceptions.
A camera reaches the full length of the flue and shows cracked tiles, failed mortar joints, glaze creosote, and gaps at the smoke chamber transition that a mirror catches only if it happens to point the right way at the right spot. In Denver’s older housing stock, those gaps are exactly where flue gas escapes into wall cavities. We hand you the photos, whatever we find, and we recommend work only when the images justify it. Call (830) 251-4560 to book an inspection and keep the report.
You cannot see what a chimney actually needs from the ground, and two chimneys that look identical from the sidewalk can be in very different condition inside. One may have a failed mortar joint at the smoke chamber that is leaking into the wall, and the other may be fine. The safest answer in Denver is a yearly sweep if you burn wood, and a camera inspection to verify what a brush cannot reach. A chimney that looks fine is not the same as a chimney that is fine.
If water is already entering the house, waiting means the leak gets worse with every freeze-thaw cycle, and what was a $450 flashing repair becomes a $1,800 repointing job plus interior ceiling work. If the flashing is loose but no water is inside yet, you have some time, but not much in a Denver winter. The honest answer requires looking at the actual joint, and we will give you that answer with photos before you spend a dollar. Call (830) 251-4560 for a straight read on whether your flashing can wait.
Flint Chimney Sweep dispatches repair crews across Denver from our metro office, and every repair carries a written one-year guarantee under the 365-Day Done Right Promise. If a covered repair fails inside that year, we come back at no charge. Call (830) 251-4560 for a free estimate on chimney repair in Denver, or reach out for more on our Chimney Repair process and what to expect when the technician arrives. A live person answers.
Written by Hank Delano, Owner at Flint Chimney Sweep, serving Denver and the Front Range with documented pricing and a written guarantee on every repair.