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 Kennesaw, GA | Ashby Chimney Marietta
We provide independent HeatShield flue repair, resurfacing, and chimney cleaning across Kennesaw, from the historic bungalows along Cherokee Street to the 1990s subdivisions off Barrett Parkway. The one thing that makes our HeatShield work here different is that we’re not manufacturer-affiliated, so our recommendation comes from what your flue actually needs, not what we’re obligated to sell. If you’re seeing cracked flue tiles, crumbling mortar joints, or smoke backing into the house, call (478) 796-8742 for a written estimate before any work starts.
We’ve applied HeatShield’s Cerfractory sealant and Joint Repair System across metro Atlanta for over a decade, and Kennesaw’s mix of aging masonry chimneys and newer prefab systems gives us a clear read on which repair actually fits the house. See our full HeatShield sales & service page for the complete range of what we handle.
Why Kennesaw Residents Choose Us for HeatShield Service
HeatShield isn’t a product you want applied by someone who learned the process from a YouTube video last week. The Cerfractory chemistry is proprietary, the application temperature matters, and the difference between a repair that lasts fifteen years and one that fails in three comes down to whether the tech actually knows the material. Nathan Corliss, who leads our crew, picked up his trade fundamentals at Los Angeles Trade-Technical College and has been working chimneys for going on twenty-two years. He’s covered a wide stretch of metro Atlanta, including plenty of fireplaces in the homes near Kennesaw Mountain, older houses with older flues that demand a steady hand and an honest eye.
We use only genuine HeatShield products. No aftermarket substitutes, no generic refractory cement passed off as “just as good.” And every job gets a written price before we touch a brush, plus a written guarantee when we’re done. If a covered repair fails inside the guarantee period, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, and it applies to every HeatShield job we do in Kennesaw.
Styles & brands we work with
Common HeatShield Chimney Cleaning Problems We Solve in Kennesaw
- Cracked clay flue tiles from freeze-thaw cycles. Kennesaw’s winter temperature swings, mild as they are, still push water into hairline cracks and then freeze, widening them each year. We see this constantly in the older brick chimneys downtown. HeatShield Cerfractory fills those cracks and resurfacing restores a smooth, insulated flue wall without tearing out the original brick.
- Crumbled mortar joints from decades of Georgia humidity. The mortar between flue tiles absorbs moisture year-round in our climate. Eventually it turns to sand. HeatShield’s Joint Repair System rebuilds those joints from inside the flue, which is often the only option when the chimney is enclosed and exterior access isn’t practical.
- Glazed creosote buildup in rarely-used fireplaces. Kennesaw’s mild winters mean lots of fireplaces get used three or four times a season. That’s actually worse in some ways: low-temperature fires produce more creosote, not less. Before any HeatShield application, the flue has to be cleaned properly, because Cerfractory won’t bond to a dirty surface.
- Spalling flue surfaces in prefab chimneys from the 1990s subdivisions. Factory-built chimneys off Barrett Parkway and Bell’s Ferry Road are hitting thirty years old now. The metal liners corrode, and HeatShield’s Eco-Lining or CeCure sleeve systems can often restore them without replacing the entire chase.
- Unlined chimneys in historic homes failing modern safety standards. In the older neighborhoods near Kennesaw Mountain, we regularly find chimneys that never had a proper liner, or had a clay liner that’s since failed. HeatShield is frequently the only realistic option, because Kennesaw’s historic preservation guidelines discourage exterior changes to the original brickwork.
HeatShield Service in Kennesaw: What Local Conditions Mean for Your Equipment
Kennesaw’s rapid growth from a Civil War railroad town to a suburban hub created a patchwork most chimney companies don’t know how to approach. In the historic district along Cherokee Street, you’ve got late-1800s and early-1900s brick chimneys with unlined or clay-lined flues that fail modern safety standards. In the sprawling 1990s and 2000s subdivisions, chimneys are mostly factory-built with zero-clearance fireplaces, and many have never had a Chimney Inspection - Kennesaw since installation. The humid subtropical climate does different damage to each: moisture accelerates efflorescence and mortar deterioration on masonry, while the prefab systems suffer cap rust and interior liner corrosion. The mild winters mean deferred maintenance, because nobody thinks about a fireplace they only use twice a year. But creosote still builds, moisture still creeps in, and the freeze-thaw cycles near Kennesaw Mountain still do their work. HeatShield repairs here have to account for which Kennesaw you live in, downtown brick or suburban prefab, because the failure modes are not the same. We’ve had cases where a homeowner assumed they needed a full rebuild, and a CeCure sleeve relining solved the problem in one day for a third of the cost.
HeatShield Models & Products We Service in Kennesaw
We work with the full HeatShield line: Cerfractory Flue Sealant for cracked and spalling clay liners, Joint Repair System for deteriorated mortar joints between flue tiles, CeCure Sleeve Relining System for serious structural flue damage, and the Eco-Lining System for specific factory-built fireplace applications. We stock genuine HeatShield products locally, which means a Kennesaw job doesn’t wait a week for parts to ship. We also assess every chimney honestly: sometimes a resurfacing is all you need, sometimes a full sleeve reline is the right call, and occasionally the flue is fine and the real problem is a damper or cap. We’ll tell you the price either way, in writing, before work begins.
See the difference
Before
After
Before
After
Before
AfterHeatShield Service Pricing in Kennesaw
HeatShield work in Kennesaw varies by what the flue actually needs. A Cerfractory resurfacing on a single-story chimney typically runs between $850 and $1,400, depending on flue size and access. Joint Repair System applications generally fall between $650 and $1,100 per flue. A full CeCure sleeve relining is the bigger job, usually $2,500 to $4,500, and we only recommend it when the flue structure is too far gone for resurfacing. A Chimney Sweep in Kennesaw before any HeatShield application runs $199 to $299, which includes the cleaning itself. Free estimates include a camera inspection so you see the damage with your own eyes before you spend a dollar. Call (478) 796-8742 and we’ll give you a written number.
Serving Kennesaw, GA - Our Local Coverage Area
We’re based in the Kennesaw 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 – HeatShield Chimney Cleaning in Kennesaw
HeatShield Cerfractory is designed for exactly these conditions. The material is moisture-resistant and flexible enough to move with the flue through temperature swings, which is why it performs well on Kennesaw’s older clay liners. The key is proper surface preparation, a clean flue, correct ambient temperature during application, and a tech who knows the product. We’ve seen Cerfractory applications hold for over a decade in metro Atlanta’s humidity when applied correctly. The failures we see are usually from rushed prep or aftermarket substitutes. Call (478) 796-8742 to schedule an inspection and we’ll show you what your flue actually needs.
Yes, in most cases HeatShield can restore a spalling flue, but the creosote has to be removed completely first. Spalling happens when creosote flakes off the flue wall, and Cerfractory won’t bond to a dirty or crumbling surface. We clean the flue thoroughly, assess how deep the spalling goes, and then determine whether resurfacing is viable or whether a CeCure sleeve is the safer call. We’ve done this on plenty of Kennesaw chimneys where the fireplace sat unused for years, including one 1920s bungalow near downtown where a cracked clay liner had crumbled from decades of Georgia humidity. One day, one application, no rebuild. Call (478) 796-8742 for a free estimate and we’ll show you the camera footage.
Joint Repair System rebuilds the mortar joints between existing flue tiles, restoring them from inside the flue without replacing anything. CeCure is a stainless-steel sleeve that gets pumped with Cerfractory, creating a new flue wall inside the old one. If your flue tiles are intact but the joints are crumbling, Joint Repair is usually enough and costs significantly less. If the tiles themselves are cracked, shifted, or missing sections, CeCure gives you a continuous, insulated liner with a structural upgrade. We’ll tell you which one fits your chimney based on what the camera shows, not which one makes us more money. Call (478) 796-8742 and we’ll walk you through both options with real numbers.
It depends on the extent of the HeatShield application. An unlined chimney restored with HeatShield’s CeCure sleeve typically meets the requirements for a safe, lined flue when applied to manufacturer specifications. The Level 2 inspection verifies clearances, flue condition, and proper ventilation, and HeatShield addresses the flue portion of that standard. What we can’t do is guarantee every inspector’s opinion, because requirements vary by situation. What we can guarantee is that we’ll document the application with before and after photos, write up exactly what was done, and stand behind the work in writing. For Kennesaw historic homes, HeatShield is often the only way to restore a safe flue without exterior changes that preservation guidelines would reject. Call (478) 796-8742 to discuss your specific property.
HeatShield’s own testing and our field experience put a properly applied Cerfractory resurfacing at fifteen to twenty years in normal conditions, and Kennesaw’s climate doesn’t shorten that significantly. The material is rated for the moisture and thermal cycling we see here. Hail isn’t typically a direct threat to the flue interior, but it can damage the cap or crown, which then lets water into the flue and undermines the repair. That’s why we recommend addressing the crown, cap, and any waterproofing at the same time as the HeatShield application, so the whole system is protected from Georgia rain, not just the flue walls. Call (478) 796-8742 and we’ll quote the full scope honestly.
Service Areas Near Kennesaw
We serve Kennesaw service area plus the surrounding metro Atlanta cities. If you’re in HeatShield service in Marietta or HeatShield service in Dallas, we cover those areas too. We also work in Powder Springs, Norcross, and North Druid Hills. If you’re anywhere in Cobb County or just over the line, call and we’ll let you know if we can get to you this week.
Book Your HeatShield Service in Kennesaw Today
Tell you the price first, show you the work, put it in writing – that’s the whole job. Call (478) 796-8742 to schedule your HeatShield inspection in Kennesaw. A live person answers, every time.
Written by Nathan Corliss, Owner at Ashby Chimney Marietta, serving Kennesaw since 2002.