Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
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 Repair in West Covina: What to Know First
Gelco chimney repair in West Covina typically runs $290 to $1,800 depending on whether you’re dealing with a cracked liner joint, a deteriorating cap, or a full chase-cover replacement. Most Gelco jobs we handle are completed in a single visit, with a written price locked before any work starts. Gelco makes solid, mid-market chimney components, but we see the same failure points across West Covina homes year after year, and we’ll show you photos proving exactly what’s going on before we touch a tool.
This page is for West Covina homeowners whose chimney has Gelco components: galvanized or stainless chase covers, multi-flue caps, liner kits, or termination caps. If you’re seeing water stains on the ceiling near the fireplace, rust streaks down the chase, or a cap that rattles in the wind, call us at (661) 402-9036 and we’ll tell you honestly whether it’s a Gelco issue or something else.
How Gelco Products Fail – and How We Fix Them
- Gelco chase covers rust through at the seams first. Gelco’s galvanized chase covers are everywhere in West Covina because builders installed them in the ’90s and early 2000s. The rust almost always starts at the crimped corners or the mounting flange, where water pools after rain. We replace them with stainless or properly coated galvanized steel, then reseal the chase top so water can’t wick underneath.
- Gelco multi-flue caps crack their mounting brackets in high wind. The Gelco Lock-Top style caps with extended brackets take a beating during Santa Ana wind season, which West Covina gets hard. The brackets fatigue, the cap shifts, and suddenly you’ve got rain going straight down the flue. Our fix is a bracket reinforcement and proper resizing, not just a tighten-and-go job.
- Gelco liner kits fail at the splice collar. When we find Gelco stainless liner components in older West Covina chimneys, the problem is rarely the liner itself. It’s the splice collar connecting two sections, often corroded from creosote contact or loose from thermal cycling. We rebuild the splice joint with proper locking bands and check the entire liner run for alignment before calling it done.
- Gelco terracotta flue tiles spall in cycles. West Covina’s dry-summer, damp-winter pattern means moisture gets into clay tile, then heat expands it, then cold contracts it. The tiles chip and crack from the inside out, especially in homes near Shadow Oak Park where original chimney construction dates back to the tract builds. We repair with HeatShield’s ceramic compound or replace severely damaged sections with stainless liner, and we’ll always show you the camera footage of why.
- Gelco termination caps lose their spark arrestor mesh. This one’s simple but dangerous. The mesh on Gelco caps corrodes over five to eight years, and once it’s gone, embers can clear the flue and land on your roof or dry brush. It’s a fifteen-minute fix, but skipping it is how chimney fires start in the foothill neighborhoods on clear fall nights.
Styles & brands we work with





Our Gelco Chimney Repair Process
- 1
You call, a person answers. Not a voicemail. We ask what you’re seeing, what the chimney looks like from the ground, and when you first noticed it.
- 2
We schedule a tracked arrival. You’ll see live arrival time updates like you would for a rideshare, no four-hour window. The tech shows up in uniform, background-checked, and ready to work.
- 3
We diagnose with a camera. The tech runs a scope on the flue, checks the chase, the cap, the liner, and the firebox. You get photos of everything we find, and when something’s broken we don’t fix it until we’ve shown you the evidence. Cory’s rule: “I’ll show you the photo first. Then we’ll talk.”
- 4
We write the price before work starts. You’ll know exactly what it costs before anything gets touched. No surprises when the bill arrives. Should we use a Gelco replacement part or a higher-quality aftermarket alternative? We’ll tell you straight, including any warranty implications.
- 5
We do the repair and document it. The work gets done, every step documented with before-and-after photos. You can see what was wrong and what it looks like now, without climbing a ladder.
- 6
You get a written guarantee. Every Gelco repair includes our 365-Day Done Right Promise. If it fails within a year, we return free and make it right. Digital invoice, payable from your phone.
See the difference
Before
After
Before
After
Before
AfterWhat Gelco Chimney Repair Costs in West Covina
- Gelco cap replacement or repair: $290 – $520 depending on flue size and cap model.
- Chase cover replacement (standard): $480 – $850 depending on chase dimensions and stainless vs. galvanized.
- Liner splice or joint repair: $350 – $700 including camera inspection and reseal.
- Flue tile repair with HeatShield compound: $650 – $1,200 depending on the number of tile sections affected.
- Full chimney rebuild (top section): $1,400 – $3,400+ when the masonry itself is failing, not just the Gelco components.
What moves the price is access: a two-story roof in a hillside neighborhood near Galster Park costs more than a single-story ranch off Francisquito Avenue. Whether the existing Gelco component is salvageable or needs replacement makes the biggest difference. We’ll tell you which category you’re in before you spend a dollar. Call (661) 402-9036 for a free estimate, no obligation.
Why West Covina Homeowners Call Hadley Chimney West Covina for Gelco Work
Hadley Chimney West Covina has been doing this since 2003, and our techs know Gelco products because they’ve pulled hundreds of them off West Covina roofs. When a Gelco part fails, we either replace it with OEM or recommend a better alternative: if a chase cover was under-spec’d from the factory, we’d rather install a thicker-gauge stainless than put the same problem back on your roof. That’s the kind of call we make with you, not for you.
And the backup is built in. We work with DuraFlex liners and HeatShield ceramic repair compounds when a repair calls for a different brand’s specialty product. Our guarantee is a written promise on every single job, free second visit if it fails within 365 days. Every repair includes The Relay Visibility Guarantee: live arrival tracking, before-and-after photos, and a written price before any work begins. No guesswork, no surprises, no phone tag.
FAQs
No, not if the repair is done correctly. As an independent Gelco service provider, we’re not authorized by the manufacturer, but we follow the repair practices that preserve your warranty standing: we don’t modify Gelco components in ways the manufacturer prohibits, and we document everything. If a component is under warranty, we’ll tell you so you can file the claim before paying for a replacement.
Yes, Gelco parts are still widely available through our supply chain. Most common caps, chase covers, and liner accessories ship within three to five business days. For faster turnaround or better materials, we often carry direct-fit alternatives that outperform the original Gelco part, and we’ll show you the difference before you choose.
Most Gelco cap, liner, and chase-cover repairs are completed in a single visit, usually within a week of your call. Larger jobs like partial chimney rebuilding may take two to three days. We’ll give you a live arrival window and you’ll know exactly when we’re coming.
If the Gelco components are the problem, repair is almost always cheaper and faster. If the masonry itself is compromised – crumbling brick, a leaning stack, or a liner that’s collapsed rather than just cracked – we’ll tell you straight, with camera footage so you can see it yourself. We don’t recommend rebuilds unless the structure genuinely requires it.
We start with a thorough inspection, not an automatic repair estimate. In West Covina’s climate, ten years of neglect usually means creosote buildup, a rusted chase cover, and degraded cap mesh at minimum. But sometimes an older Gelco chimney is in surprisingly good shape and only needs a sweep. We’ll show you what we find and you decide.
Call (661) 402-9036 for a free estimate on Gelco chimney repair in West Covina. A live person answers, every time.
Written by Cory Mitchell, Owner, Hadley Chimney West Covina at Hadley Chimney West Covina, serving West Covina and nearby areas.