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.
Gelco Chimney Cleaning in Ashburn, IL | Sandstone Chimney Sweep
Gelco chimney cleaning in Ashburn typically runs $189 to $329 and includes a full flue sweep, cap and damper inspection, and a written condition report. What makes our Gelco work different here is that we actually know the bungalow stock, so we check the basement cleanout before the brush ever goes up the flue. Norm Sobieski and our team at Sandstone Chimney Sweep handle Gelco caps, dampers, and venting components on original 1950s and 60s masonry chimneys across Ashburn every week. If your Gelco cap is rusted or your damper won’t seal, call (833) 589-7835 for a straight answer and a free estimate.
Why Ashburn Residents Choose Us for Gelco Service
We’ve worked on enough Gelco-equipped chimneys in Ashburn to know how their stainless caps, top-sealing dampers, and glass door frames actually age on a Southwest Side bungalow. A cap that looks fine from the alley is often hiding spalled crown mortar underneath, and a damper that won’t seal is usually a gasket that dried out over a humid Chicago summer. We read Gelco’s own installation literature and stock the OEM-compatible parts that fit their flues and caps, but we are not affiliated with or authorized by Gelco. That means we’ll tell you plainly when a rusted cap is really a crown problem, and we won’t sell you a part swap that won’t hold up. Norm grew up in Albany Park and learned the mechanical side of the trade through the HVAC and building systems program at Truman College before spending years on residential chimney work across Chicago’s northwest and southwest neighborhoods. He brings the same measured, straight-talking approach to every Ashburn flue we open.
Styles & brands we work with





Common Gelco Chimney Cleaning Problems We Solve in Ashburn
- Rusted mounting tabs on Gelco stainless caps. Ashburn’s freeze-thaw winters crack the original crown underneath, letting water run behind the cap skirt. The cap rusts at the screw penetrations, loosens, and starts rattling in the wind. We see this on exterior stacks all over 60652, particularly where the crown was never sealed properly in the first place.
- Top-sealing damper gaskets that won’t seal. Gelco damper gaskets dry out and crack after humid Chicago summers, so the damper no longer closes tight and the fireplace drafts cold air down the flue all winter. Homeowners notice it as a cold spot in the living room, not a chimney problem. We replace the gasket and test the seal before we leave.
- Clogged spark screens on Gelco caps. On Ashburn’s 1950s and 60s masonry flues, the original clay liner is often cracked. Creosote flakes and soot build up behind the cap screen, and the cap looks fine while the flue behind it vents poorly. A sweep that only clears the flue won’t fix this. We pull the cap, clear the screen, and check the liner condition with a camera.
- Pitted and stiff Gelco glass door hinges. When exterior mortar joints above the firebox have eroded, moisture wicks into the surround and pits the door frames. The hinges stiffen, the doors drag, and eventually the glass won’t close flush. We free the hardware where it’s salvageable and recommend crown and mortar work when that’s the real culprit.
- Ash-pit cleanout doors buried behind finished basements. This is the one that surprises people. Many Ashburn bungalows had a basement remodel in the 1980s, and the cleanout access got paneled over. A routine sweep turns into finding and reopening that access before any brush goes up the flue. More on that below.
Gelco Service in Ashburn: What Local Conditions Mean for Your Equipment
On Ashburn’s bungalow blocks, the basement cleanout for a Gelco-capped flue is frequently buried behind finished paneling from a 1980s remodel. We’ve learned to ask about this before we even park. If the cleanout isn’t accessible, we can’t properly remove the debris we knock down from the flue, and a sweep that leaves creosote packed behind a wall is a sweep that didn’t finish. So we locate the cleanout, mark it, and if the homeowner gives us the go-ahead, we open the wall cleanly and install an access door so it stays reachable for the next sweep. That’s the difference between a company that runs a brush up a flue and one that actually finishes the job in this neighborhood. A technician working Ashburn’s bungalow blocks has to check the ash-pit door on the basement side before anything else, because so many of these homes have cleanout access hidden behind finish work from decades ago.
Gelco Models & Products We Service in Ashburn
We work on Gelco multi-flue stainless chimney caps, single-flue stainless caps with spark screens, top-sealing damper assemblies, and Gelco fireplace glass doors with spark screens. Our parts approach is simple: we fit Gelco-compatible OEM caps and dampers when the existing unit is sound, and we use quality aftermarket stainless and gasket stock when a part is discontinued or priced beyond reason. We stock common gasket sizes and cap hardware locally so most Ashburn repairs don’t wait on a shipment. And we’ll tell you honestly when a rusted cap is a symptom of a failing crown and repointing beats another cap swap. That’s the kind of straight answer that keeps our Ashburn customers calling back. For the full picture on what we service, see Gelco sales & service.
See the difference
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After
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AfterGelco Service Pricing in Ashburn
A standard Gelco chimney cleaning in Ashburn runs $189 to $329, depending on flue condition, cap access, and whether we’re also clearing a clogged spark screen. Cap replacement with a Gelco-compatible stainless unit typically runs $250 to $550 installed, and crown repair or repointing adds $400 to $900 when the masonry underneath is spalled. Top-sealing damper gasket replacement lands around $180 to $300, while a full damper assembly replacement is usually $350 to $600. Our estimates are free and written down before we start, so you know exactly what you’re approving. Call (833) 589-7835 for an exact quote on your Ashburn chimney.
Serving Ashburn, IL — Our Local Coverage Area
We’re based in the Ashburn 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 – Gelco Chimney Cleaning in Ashburn
Not always, but in Ashburn it’s more likely than in a newer subdivision. The original crowns on these 1950s and 60s bungalow chimneys haven’t been sealed in decades, and freeze-thaw cracking is the norm. We’ll pull the cap and inspect the crown before recommending anything. If the crown is sound, we replace the cap and move on. If it’s spalled, a new cap won’t hold properly and you’ll be back in the same spot in two years. Call (833) 589-7835 and we’ll give you an honest read.
Because the ash-pit cleanout door on the basement side was covered during a 1980s remodel. It’s very common in Ashburn. We can’t complete a proper sweep without access to the cleanout, so we locate it, open the wall cleanly, and install an access door so it stays reachable. Most homeowners didn’t know it was there, and once we explain why it matters, they’re glad we found it.
If the flue was swept recently and the damper still won’t hold, it’s almost always the gasket. Gelco damper gaskets dry out and crack after humid Chicago summers, and once they fail, the damper can’t seal regardless of how tight the cable is set. We replace the gasket and test the seal. If the flue itself is cracked or deteriorating, that’s a separate repair, and we’ll show you the camera footage either way.
Every year if you burn regularly. Ashburn’s humid summers break creosote down into acidic residue that eats at mortar joints, and a capped flue is not a self-cleaning flue. If you burn only occasionally, every other year may be enough. We’ll tell you what your flue actually needs after the first sweep, and we won’t push an annual schedule if your usage doesn’t support it. We also offer Gelco repair in Evergreen Park and surrounding areas. Call (833) 589-7835 to schedule a sweep and get a straight recommendation.
Yes. We are an independent shop and not affiliated with or authorized by Gelco. That removes any pressure to toe a manufacturer line. We stock Gelco-compatible OEM parts and quality aftermarket equivalents, and we recommend what’s actually right for your flue, not what a brand program tells us to push. Our obligation is to you and to the chimney, not to Gelco.
Service Areas Near Ashburn
We serve Ashburn and the surrounding Southwest Side neighborhoods, including Gelco service in Broadview and Gelco service in Melrose Park. We also cover parts of Near South Side, West Town, and the Chicago Loop when chimney access allows. For the full map of where we work, see the Ashburn service area page.
Book Your Gelco Service in Ashburn Today
A clean flue isn’t a luxury – it’s just what a working fireplace requires. If you’re in Ashburn and your Gelco cap, damper, or flue needs attention, or you need Gelco in Chicago Lawn, call (833) 589-7835. We’ll give you a free estimate, an honest diagnosis, and a chimney that drafts like it should.
Written by Norm Sobieski, Owner at Sandstone Chimney Sweep, serving Ashburn and the Southwest Side with independent Gelco service.