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 Longmont, CO
We provide independent HeatShield service across Longmont, and the one thing that makes our HeatShield work here different is the split housing stock: we evaluate cracked clay-tile liners in Old Town’s century-old brick chimneys and inspect prefab metal flues in the 1990s and 2000s subdivisions east and south of downtown, often on the same schedule. HeatShield is a ceramic-based flue resurfacing system, and whether it’s the right call for your chimney depends entirely on which of those two houses you live in. Nobody can answer that honestly before a camera goes down the flue. Call (855) 360-7080 and we’ll book a Level 2 inspection.
Why Longmont Residents Choose Us for HeatShield Service
We’re an independent HeatShield service provider, not manufacturer-affiliated or authorized, and that independence is the point. We’ve built hands-on familiarity with HeatShield’s ceramic lining system across Longmont’s mixed masonry stock, from original clay-tile flues in Old Town to cast-in-place restoration on cracked liners throughout the historic core. Our credibility comes from knowing when resurfacing is the right call versus when a full reline is the honest answer, not from a certification badge.
That matters in a town where a chimney can be a hundred-year-old brick stack or a factory-built unit from the 1990s, and the two need completely different approaches. We name the brands we install because you deserve to know what’s going in your home. When a HeatShield evaluation turns into a reline, we’re authorized to install DuraFlex flexible liner systems alongside HeatShield, Gelco, Olympia Chimney, Famco and Copperfield products.
Scheduling is straightforward. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
Common HeatShield Chimney Cleaning Problems We Solve in Longmont
Most HeatShield problems we find in Longmont trace back to either the chimney’s age or how the previous job was done. Here’s what shows up most:
- Open joints and hairline cracks in Old Town clay tiles. Early-1900s brick chimneys in the historic core develop gapped joints from Front Range freeze-thaw swings. This is the exact condition HeatShield resurfacing is engineered to bridge, but only when the tiles behind the coating are still structurally sound enough to back it.
- Spalling, delaminating prior coatings. Badly applied or poorly cured HeatShield-style coatings peel off the flue wall, usually because the liner was too deteriorated or too cold and wet at application time. We find this often on resale homes where the documentation went missing.
- Off-set flue tiles in historic bungalows. Misaligned or offset tiles can’t be corrected by a resurfacing compound alone. Coat it anyway and you get uneven thickness and hot-spot risk. The geometry has to be addressed first.
- Creosote-glazed flue walls. Longmont fireplaces see heavy winter use, and glazed creosote must be swept to bare masonry before any HeatShield application will bond. Skipping prep is the single most common reason a coating fails here.
- Cold-weather draft loss and smoke rollback. Inversions in the St. Vrain Valley trap smoke low, and a compromised liner makes rollback worse on cold nights. Resurfacing restores a smooth flue, but only after we’ve confirmed the draft problem is the liner and not the cap or the flue height.
HeatShield Service in Longmont: What Local Conditions Mean for Your Equipment
Longmont’s historic Old Town core sits alongside the 1990s-2000s subdivisions east and south of downtown, so a single technician here routinely moves from a HeatShield clay-tile resurfacing evaluation on a century-old brick flue to a prefab metal flue inspection down the street. That mixed-stock reality shapes which lining approach is even relevant. In Old Town, the decision is usually about whether the original clay tile can carry a HeatShield coating or whether the tiles have failed past the point of backing it. In the newer subdivisions, HeatShield rarely applies at all, because those homes have insulated metal flue pipes rather than masonry liners, and what they need is flue-pipe inspection and sweeping. One town, two completely different conversations. That’s why we ask the age and construction of your house before we quote anything. It tells us what’s likely wrong before anyone climbs the roof.
HeatShield Models & Products We Service in Longmont
We work with HeatShield’s ceramic-based lining products, including the CeCure Sleeve Relining System for flues that need a structural sleeve, HeatShield Resurfacing Compound for clay-tile liner restoration, and HeatShield joint repair for bridging gapped clay tiles. Which one fits your chimney depends on what the camera shows. HeatShield’s lining materials are proprietary, so genuine product is the only sensible choice for the lining itself. Surrounding components like caps, dampers and crowns can be quality aftermarket and don’t need to match the brand. We choose parts that fit your specific flue, not parts that happen to be on a shelf.
See the difference
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After
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AfterHeatShield Service Pricing in Longmont
Every job is priced per job from a written estimate, and the estimate itself is free. What drives the number is the scope: a Level 2 inspection and camera scan, the creosote removal needed before anything bonds, the condition and geometry of the tiles, and whether the honest answer is resurfacing or a full reline. A HeatShield evaluation on a sound clay-tile flue costs far less than relining a flue that’s past saving. We don’t quote from the driveway. We look first, photograph what we find, and put the price in writing before you commit to anything. If work can safely wait, we’ll tell you. Call (855) 360-7080 to book an inspection and get a free estimate.
Serving Longmont, CO – Our Local Coverage Area
We serve Longmont 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 Longmont
It depends on whether the tiles are still structurally sound. HeatShield resurfacing is engineered to bridge open joints and hairline cracks, but only when the clay tile behind the coating can still back it. A camera inspection confirms that before we recommend anything.
Cold-night smoke is usually a draft problem, and in Longmont it’s often worsened by temperature inversions in the St. Vrain Valley that trap smoke low, plus a cracked or gapped liner that disturbs the draw. An inspection separates a liner issue from a cap or flue-height issue. Call (855) 360-7080 for an exact quote – estimates are free.
No. Glazed creosote has to be swept to bare masonry first, or the coating won’t bond and will fail within a season. Skipping prep is the most common cause of HeatShield failure we see in Longmont.
Usually not. Prefab metal fireplaces have insulated flue pipes rather than masonry liners, so HeatShield’s clay-tile resurfacing isn’t the right product. What those homes need is flue-pipe inspection and regular sweeping.
Cottonwood fluff and wind-driven debris collect in caps and flues between seasons, and combined with dry windy springs it can restrict draft and add fuel load. A sweep and cap check clears it before heating season.
Service Areas Near Longmont
We serve homeowners across Longmont and the surrounding Front Range communities, including Boulder, Thornton, Westminster, Arvada and Greeley. If your chimney sits in any of these towns, we can evaluate it for HeatShield resurfacing or relining. Our HeatShield expertise covers both historic masonry and newer prefab flues throughout the area.
Book Your HeatShield Service in Longmont Today
Whether your chimney is a century-old Old Town bungalow or a 1990s subdivision build, the first step is the same: a camera inspection and a written estimate. Call (855) 360-7080. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Estimates are free, and we’ll tell you plainly if work can wait.
Written by the team at Chimney Sweep Longmont.