Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
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.
HeatShield Chimney Cleaning in Westminster, CO
We provide independent HeatShield service across Westminster, and the thing that sets our work apart here is that we start a lot of these jobs with a camera, not a brush. HeatShield is a flue resurfacing system, and in a town full of mid-century masonry chimneys that have been through flood water and shifting ground, the liner above the firebox rarely tells the whole story. You can call us at (833) 749-6226 to book a sweep or a Level 2 inspection, and we’ll tell you straight whether the HeatShield liner in your Westminster home needs resealing, a crown repair above it, or nothing at all.
We’re an independent shop. We’re not affiliated with or authorized by HeatShield, so our recommendation comes from what the flue actually looks like, not from a sales target.
Why Westminster Residents Choose Us for HeatShield Service
Working with HeatShield systems isn’t a side job for us. It’s a regular part of what we do, which means we know how CerfCrete, Thermix insulation wrap, a stainless liner and a top plate assembly behave together over a decade of Colorado weather.
That matters in Westminster because the housing here is a mix. You’ve got 1950s and 60s ranches and split-levels with original brick fireplaces, and you’ve got newer builds in the northwest with prefab metal chimneys. HeatShield work on the older masonry chimneys looks nothing like work on a newer flue. We size parts to the flue we find, and we install genuine HeatShield liner, CerfCrete, Thermix and top-plate components. Mismatched aftermarket parts in this type of system tend to cause more trouble than the job they were meant to fix.
Scheduling is straightforward. We answer 24/7 and dispatch from 7am to 7pm, Sunday through Friday. Our technicians have up to 15 years of experience, and we repair what we find rather than handing you a report and a referral.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common HeatShield Chimney Cleaning Problems We Solve in Westminster
- CerfCrete that delaminates because the flue was never cleaned properly. If a resurfacing job went over soot or over spalled brick that should have been addressed first, the compound fails in sheets. It’s a pattern we see on older Westminster masonry chimneys, and it shows up clearly on camera before it ever shows up as a problem you can feel.
- A stainless liner pulled loose from its top plate. A cracked crown lets water run behind the plate, and Westminster’s freeze-thaw swings finish the job. The liner is often still sound; the connection at the top is what let go.
- Thermix insulation wrap that has settled and compressed. Years of heating cycles can leave an uninsulated section, and creosote condenses on cold liner walls. Cold winter flues here make that worse, and it’s one of the quieter reasons a flue stops drafting well.
- Top plates and caps that no longer seal. Chimney tops in Westminster erode from spalling brick and repeated freezing. Once the top is uneven, snowmelt and rain run straight onto the liner and damper assembly.
- Creosote behind and below the liner wall. Heavy buildup near the smoke chamber is a fire risk and a sign the sweep needs to go further than a standard brush pass. It’s why we run an inspection on HeatShield flues instead of assuming the liner surface is the whole story.
HeatShield Service in Westminster: What Local Conditions Mean for Your Equipment
Westminster’s 1950s and 60s ranches and split-levels around 80030 and 80031 often sit on expansive clay soil that has been shifting since the 2013 Front Range floods. That’s the local reality that shapes our HeatShield work more than anything else, and it’s why a camera-assisted Level 2 inspection is the right starting point on these homes rather than a standard sweep.
A HeatShield liner can look intact at the firebox and still be cracked or misaligned further up the flue, where ground movement has racked the chimney. Flood debris in the flue adds another layer. In older neighborhoods like those near 80th and Federal, technicians often find flues carrying debris from 2013 or cracks from clay movement that a brush never touches. You can’t sweep a structural problem away. Westminster’s freeze-thaw cycles, with frequent swings above and below 32°F, accelerate crown and brick deterioration on top of all of it, so water is usually working on these chimneys from both ends.
HeatShield Models & Products We Service in Westminster
We service the full HeatShield system as it actually installs: CerfCrete resurfacing and relining compound, the stainless steel flue liner, Thermix insulation wrap, and the top plate and cap assemblies that close the job at the chimney top. Each has its own failure pattern in Westminster, and each gets its own repair approach.
We work with genuine HeatShield components because they fit the system they were engineered for. We also read the whole flue rather than just the liner: crown condition, brick at the top, the smoke chamber and the firebox. If a reseal or a crown repair will hold, that’s what we’ll recommend. If the liner itself has failed, we’ll show you the footage and explain both paths. Our HeatShield work stays in-house from inspection through the repair.
See the difference
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After
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After
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AfterHeatShield Service Pricing in Westminster
HeatShield work is quoted per job after we’ve seen the flue, and the written estimate sets the final price. What drives cost is the condition behind the liner, not the liner’s age. A resealed top plate and a crown repair cost far less than renewing a damaged liner section, and a full resurfacing or relining job runs higher again because of the materials involved and the height of the chimney.
| Service | Typical Cost Range | What It Covers |
|---|---|---|
| Standard chimney sweep | $180 – $340 | Creosote removal, firebox and smoke chamber cleaning |
| Level 2 camera inspection | $150 – $300 | Video of the full flue, top to firebox, with photos |
| Top plate reseal or re-anchor | $250 – $650 | Reconnecting and sealing the plate at the chimney top |
| Crown repair | $400 – $1,200 | Rebuilding or sealing a cracked crown above the liner |
| HeatShield resurfacing or partial relining | $1,800 – $5,500 | CerfCrete or liner section renewal; scope depends on flue condition |
Estimates are free. Call (833) 749-6226 and we’ll get you booked.
Serving Westminster, CO – Our Local Coverage Area
We serve Westminster and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in Westminster
Yes. On Westminster’s older masonry chimneys, a standard sweep isn’t enough to judge a HeatShield liner. Expansive clay movement and flood-era debris can crack or misalign a flue above the firebox, and only a camera-assisted Level 2 inspection sees that section. We recommend one as the starting point on any 1950s or 60s ranch before assuming a sweep alone will do. Call (833) 749-6226 to schedule one.
Most top plate failures here trace back to water, not to the plate itself. A cracked crown, plus freeze-thaw cycling that works on spalled brick, lets snowmelt run behind the plate and loosen it from the liner. Repairing the crown and sealing the top is usually the real fix. We’ll show you what we find before we quote anything.
It can, yes. Creosote accumulates in gaps and around a liner’s edges, especially where Thermix insulation has settled and left a cold section. That kind of buildup is a fire risk and won’t show up from a firebox-level look. A camera inspection catches it. Call (833) 749-6226 if you’re unsure when your flue was last checked.
An independent sweep who works with HeatShield systems routinely can handle relining and resurfacing work. We’re not affiliated with or authorized by HeatShield, and that independence cuts both ways: we recommend the repair the flue calls for, including resealing or crown repair when that’s enough. Call (833) 749-6226 for a free estimate.
The masonry above the liner usually comes first. Spalling brick and a cracked crown are letting the water in that damages the liner, so repairing the crown and waterproofing the top is the sensible sequence before any liner repairs. A camera inspection confirms the order of work and the cost. Call (833) 749-6226 to get a written estimate.
Service Areas Near Westminster
We serve homeowners throughout the Westminster area, including Lakewood, Denver, and Aurora, with HeatShield service also available in Arvada and Commerce City. If you’re on the edge of the metro and not sure whether we reach you, call and ask. We’ll confirm before we book anything, and the estimate is free either way.
Book Your HeatShield Service in Westminster Today
Whether you need a sweep, a crown repair or a camera-assisted Level 2 inspection on a HeatShield liner, we’ll assess the flue and give you a written estimate before any work starts. Call (833) 749-6226 for a free estimate. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Grafton Chimney Sweep.