Chimney Repair in Boulder - You See the Footage Before You Get a Price

Fast, Reliable Chimney Repair Across Boulder

Chimney repair in Boulder typically runs $450-$3,800 depending on scope, from mortar repointing to full stack rebuilds, and most jobs are scheduled within 3-5 business days. We dispatch crews to Boulder from our Denver office and carry DuraFlex liner stock, HeatShield refractory mortar, and Gelco caps so we’re not waiting on parts while your fireplace sits out of commission. Call (970) 598-0453 for a written estimate before any work starts.

Call (970) 598-0453

We’ve worked on chimneys in Table Mesa, Martin Acres, Gunbarrel, Mapleton Hill, and the Whittier neighborhood. Many haven’t been opened since the original build. Our Chimney Repair team treats every job to the same standard: NFPA 211 Level 2 camera inspection, written price, written scope, and a photo record you keep.

Why Emberly Chimney Cleaners Boulder Is Boulder’s Preferred Chimney Repair Company

Since 2009 we’ve completed more than 38,000 chimney inspections and cleanings, every one with a written price before work started and a documented record when it was done. Boulder homeowners find us because they read the three-star reviews first, and they stay because we show them what we found instead of asking them to trust us.

Our technicians are background-checked, uniformed, and named on your appointment. You’ll get a text when they’re en route. License information is displayed on every page, and our live phone support runs 24 hours a day, 7 days a week - no voicemail, no web form.

The 365-Day Done Right Promise backs every job: if it’s not done right, we make it right. Clause 1 of the Haven Standard requires a written price, written scope, and written warranty before anyone starts. Clause 4 requires a documented photo record on every visit, a practice we started in 2009 and never made optional. Free Second Opinion on any competitor’s written estimate.

We know Boulder’s chimneys. The unlined rubble-stone stacks in Mapleton Hill Victorians. The 1960s clay-tile flues in Martin Acres ranches venting modern inserts they were never designed for. The Chinook wind that cracks crowns between visits. That knowledge changes what we recommend and what we don’t.

Our Chimney Repair Services in Boulder

Mortar Repointing

Boulder’s dramatic freeze-thaw cycles, amplified by Chinook days where temperatures can rise 40°F in hours, grind out mortar joints faster than in lower-elevation Front Range cities. In neighborhoods like Table Mesa and Martin Acres, we regularly repoint mid-century masonry where the original lime mortar has turned to powder. We grind to a uniform depth, match the new mortar to the existing compressive strength, and document the full joint profile on camera before and after. Typical repointing on a Boulder chimney runs $850-$1,900.

Spalling Brick Repair

Spalling - the flaking and crumbling of brick faces - accelerates when water enters through cracked crowns or failed flashing and then freezes. Boulder’s position at the mouth of the Flatirons corridor means driving rain and snow hit chimney stacks harder than in protected valleys. We cut out spalled units, source matching brick through our Haven buying network, and rebuild the affected courses. For localized spalling, expect $650-$1,400. Where spalling indicates deeper saturation and freeze-thaw damage, we’ll show you the camera footage and explain whether spot repair or rebuilding is the honest call.

Chimney Waterproofing

Boulder’s combination of high-intensity burns during wood-burning action days and rapid weather swings makes waterproofing critical for masonry longevity. We apply vapor-permeable sealers that let the chimney breathe while blocking liquid water. This matters especially in Gunbarrel and north Boulder, where wind-driven snow sits on the stack longer than in sunnier south-facing neighborhoods. Waterproofing a typical Boulder chimney runs $400-$750 and includes crown sealing, flashing inspection, and a written five-year performance warranty.

Flashing Repair

Step flashing and counterflashing at the roof-chimney intersection are common leak points in Boulder, where snow loads and ice damming stress the seal. We remove damaged sections, install new copper or galvanized flashing integrated with the roofing underlayment, and seal with high-temperature silicone. Most flashing repairs in Boulder run $350-$800. We photograph the deck condition beneath the old flashing so you see whether the leak caused structural damage that needs addressing.

Chimney Rebuilding

When mortar failure, spalling, or structural movement compromise the stack above the roofline, partial or full rebuilding is the only honest recommendation. In Boulder’s Whittier neighborhood we’ve rebuilt rubble-stone chimneys from the roof up, installing stainless liners and proper clearance to combustibles that the original 1920s construction never provided. Rebuilds start around $2,800 and range to $6,500+ for tall stacks with complex cricket configurations. Every rebuild includes Clause 4 photo documentation of each course and a written structural warranty.

Before

After

Trusted Brands We Service in Boulder

We source materials through the Haven buying network specifically to keep customer prices honest: DuraFlex stainless steel liners for relining clay-tile and unlined flues, HeatShield refractory mortar for smoke chamber parging and crown repair, and Gelco wind-directional caps engineered for high-wind zones like the Flatirons corridor. Copperfield flashing and specialty tools round out our standard stock. Because we carry these in our Boulder-area inventory, most repairs don’t wait on shipping.

Common Chimney Repair Problems We See in Boulder Homes

• Unlined or clay-tile flues in original mid-century fireplaces. Neighborhoods like Table Mesa and Martin Acres are full of 1950s-1970s masonry fireplaces that never received a liner system. Wood stoves and inserts vented into these flues trap creosote in corners a brush cannot reach, so third-degree glaze gets missed until a liner or firebox rebuild is forced.
• Chinook wind damage to caps and crowns. Gusts exceeding 100 mph along the Flatirons crack concrete crowns and dislodge standard chimney caps, letting water into the stack. We inspect for this damage specifically during post-wind-event calls and recommend wind-directional caps where the exposure warrants.
• Accelerated creosote from 5,430-foot combustion. Boulder’s elevation produces cooler, less complete wood combustion than Denver or lower Front Range cities. The result is faster progression from first-degree to second-degree and third-degree creosote, making annual inspection more urgent here even for infrequent burners.
• Chinook downdraft misdiagnosed as flue blockage. On heavy Chinook days, the leeward pressure drop along the Flatirons creates such strong downdrafts that even recently cleaned, structurally sound chimneys backdraft smoke into homes. Boulder technicians must separate a creosote-related draw problem from a Chinook-induced pressure event before recommending any cleaning or repair. We’ve seen homeowners quoted thousands in unnecessary liner work when a $380 wind-directional cap was the actual fix.

In Table Mesa we inspected a 1968 ranch with an unlined clay-tile flue venting a wood stove and found second-degree creosote plus a crumbling chimney crown, all documented on camera for the homeowner before we quoted anything. We relined with DuraFlex stainless, repointed the spalling brick at the crown line, and installed a wind-directional cap to handle the Chinook downdrafts that neighborhood gets off the Flatirons. Because the same job had a third-degree tar glaze in the smoke chamber, we explained why brushing alone would not remove it and why the liner rebuild was the real fix.

Pricing for Chimney Repair in Boulder, CO

We Also Serve Cities Near Boulder

Our Chimney Repair in Boulder crews also work in Niwot, Louisville, Lafayette, and Erie. Scheduling and dispatch are coordinated from our Denver office, with local technicians assigned to each area.

FAQs - Chimney Repair in Boulder