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 Cap Installation: The Henderson Owner’s Guide
We stock and install HeatShield-compatible chimney caps throughout Henderson, and a typical cap replacement runs $340 to $680 installed depending on flue size and roof access. Most Henderson homes we service are back up and running within 48 hours of the first call. You usually find out the cap failed the same way our customers do: water staining on the ceiling near the fireplace, a rust-colored streak down the chase, or birds making themselves at home in the flue.
HeatShield caps aren’t universal. The wrong cap on the wrong flue is worse than no cap at all, because it traps moisture instead of shedding it. We match the cap to your flue tile dimensions and the HeatShield liner profile already in place, not the other way around.
Key takeaways:
- Installed HeatShield-compatible chimney cap replacement in Henderson typically runs $340 – $680.
- We carry cap sizes and mounting hardware on the truck, so most jobs are one visit.
- Every cap install includes our written 365-Day Done Right Promise, no fine print.
Which HeatShield Models This Applies To
HeatShield is primarily a flue liner and repair system, not a cap manufacturer, so there isn’t a “HeatShield brand cap” to buy off a shelf. What most Henderson owners actually have is a HeatShield liner installed in an existing clay tile or masonry flue, with a stainless cap on top that was sized to that flue when the liner went in. The cap needs to match two things: the inside diameter of your flue tile and the outside diameter of the HeatShield liner crown, which usually sits an inch or two below the top of the tile.
That’s the compatibility gotcha we see most often in Henderson. A generic cap from a big-box store is sized to the tile, not the liner. If the cap base is too small, water runs down between the liner and the tile and sits there. If it’s too large, the cap sits cocked and wind-driven rain finds its way in. We measure both diameters on site before we quote anything.
On the OEM-versus-aftermarket question: HeatShield doesn’t sell caps directly, so every cap on a HeatShield liner is technically an aftermarket piece. What matters is stainless steel grade and the mounting system. We use caps from Olympia Chimney, Gelco, and Copperfield, sized to the flue and secured with stainless tap screws into the crown, not into the clay tile where thermal cycling cracks the masonry. Flint Chimney Co Henderson is an independent chimney service company; we’re not affiliated with HeatShield, but we work with their liners every week and know how caps need to interface with them.
If you still have the paperwork from your liner install, the flue size is usually written on it. If you don’t, Hank Delano will get it off the roof with a tape measure in about five minutes.
Styles & brands we work with





Signs Your HeatShield Chimney Cap Installation Is Failing
- Water stains on the ceiling or wall near the fireplace. The cap’s rain guard has corroded or the mounting is loose, and water is tracking down alongside the liner instead of staying outside where it belongs. This shows up after heavy rain, which is rare enough in Henderson that owners sometimes write it off as a one-time thing.
- Rust streaks down the chimney chase or the cap itself. Galvanized caps fail first at the welds, especially on the south-facing roof slope where Henderson’s UV exposure is relentless. Once the galvanizing is gone, the steel goes fast.
- Birds, squirrels, or debris in the firebox. The mesh screen on the cap has torn or the cap has lifted off the flue entirely. In Green Valley Ranch, where older wood-burning fireplaces are everywhere, we pull nesting material out of flues more often than most people would believe.
- A cap that’s visually off-kilter from the ground. Henderson’s wind events, especially in the foothills near MacDonald Ranch, will work a loose cap back and forth until the screws oval out the mounting holes. If you can see it leaning from the driveway, it’s already moving.
- Draft problems that got worse over one season. A damaged cap doesn’t just let water in; it disrupts airflow at the flue termination. If your fireplace used to draw fine and now smokes back into the room, the cap is worth a look before you blame the liner.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
A HeatShield-compatible chimney cap installation in Henderson runs $340 to $680 installed. The spread comes down to three things: flue size (single-flue caps cost less than multi-flue caps that cover the whole crown), roof pitch and access (a walkable ranch roof is faster than a two-story chase with a steep pitch), and whether the existing mounting surface on the crown needs patching.
Every quote includes the cap, all stainless mounting hardware, crown sealant, the labor to remove the old cap, and full cleanup. Nothing gets added at the door. We hand you a written price before any work begins, and the number on that paper is the number on the invoice, per The Garrison Standard every Flint location follows.
The labor and installation are covered by our written 365-Day Done Right Promise. If the cap shifts, leaks, or fails within a year, we come back at no charge. No inspection fee, no “well, that’s a different problem.” Covered means covered.
We also stock and work with DuraFlex, Gelco, and Olympia Chimney products, so if the cap failure exposed damage to the liner crown or the flue tile itself, we can usually address it in the same visit with materials already on the truck.
DIY or Call Us?
You can safely inspect from the ground. Walk the perimeter, look at the cap with binoculars, and note whether it’s leaning, rusted, or missing mesh. That tells you if you need us. What you shouldn’t do is get on a Henderson roof without fall protection, undo a cap that’s been up there for a decade, and try to match it blind at a hardware store. We see the result of that experiment a few times a year: a cap that doesn’t fit, tire marks on the roof, and a flue that’s now open to rain because the homeowner got the old cap off but couldn’t get the new one seated.
Cap work is also a fall-hazard job by definition. We send uniformed, background-checked technicians with full roof safety gear, and that’s not a convenience, it’s the reason the job gets done without a hospital visit. Tell me what the flue looks like, and I’ll tell you what it costs, no guessing, no padding. Call (775) 375-4267 and we’ll put it on the schedule with a written price before anything gets touched.
FAQs
A quality stainless cap on a HeatShield-lined flue in Henderson lasts 10 to 15 years on average, but UV exposure on south-facing slopes can cut that to 8 or so. Galvanized caps from big-box stores often fail in 4 to 6 years here. If your cap is over a decade old and showing rust at the welds, replacing it before it fails completely is cheaper than fixing the water damage it’ll cause. Call (775) 375-4267 for an inspection.
Sometimes the mesh screen can be replaced or a loose mount re-secured, but once the cap’s welds are rusted through or the base is warped, repair is throwing money at a part that’s already done. We’ll always show you the cap close-up and tell you straight if it’s repairable. If it’s not, you’ll get a written replacement price before we order anything.
Most single-flue cap replacements on a Henderson home take 60 to 90 minutes from setup to cleanup. Multi-flue caps that cover the whole crown run closer to two hours, including sealing the crown surface. We do most cap installs in one visit because the common sizes are stocked on our trucks.
We keep the most common single-flue and multi-flue cap sizes in stock, along with the stainless mounting hardware and sealant. If your flue is an unusual size, we can order the correct cap and have it installed within a few business days. Either way, you’ll know the exact price before we start. Call (775) 375-4267 and we’ll confirm what your flue needs.
Written by Hank Delano, Owner, Flint Chimney Co Henderson at Flint Chimney Co Henderson, serving Henderson and nearby areas.