Level 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 & Crown in Annapolis: What to Know First
A HeatShield chimney cap or crown repair in Annapolis typically runs $385 to $1,700 depending on whether we’re sealing a crown, replacing a rusted cap, or fabricating a custom multi-flue unit. Most HeatShield jobs are done in a single visit because we carry the common cap sizes and crown materials on the truck. The price is written down and handed to you before any work starts, so you know the number before we touch the chimney.

This page is for Annapolis homeowners with a HeatShield liner system, HeatShield crown coat, or HeatShield cap who want a straight answer about what it costs and what it takes to fix. We’re an independent HeatShield service provider, not a manufacturer affiliate. If you’d rather skip the reading, call (443) 274-4231 and Corrine or one of our techs will walk through what you’re seeing.
How HeatShield Products Fail - and How We Fix Them
HeatShield’s claim to fame is the cerfractory flue sealant and their Eco/Golden Flue liner restoration systems. The caps and crowns around those systems fail for reasons that are specific to how HeatShield is installed. Here’s what we see in Annapolis homes, particularly those near the water in Eastport and along the Severn, where salt air accelerates metal fatigue and freeze-thaw cycles do a number on masonry crowns.
- HeatShield crown coat cracking over time. The HeatShield crown sealer is a polymer-modified mortar that does what it’s supposed to do, but on older Annapolis chimneys with original masonry crowns, we see it crack along the flue-tile line within five to seven years. The root cause is usually a deteriorated concrete crown underneath, not the coating itself. A coating is only as good as its substrate. We grind back the failed coat, rebuild the crown edge with a proper overhang and drip edge, then recoat. That’s the fix that lasts.
- HeatShield multi-flue cap rust-through at the seams. The stainless steel used in HeatShield’s standard multi-flue caps is good but not marine-grade. Homes within a mile of the Chesapeake see seam rust starting in year six or seven, especially on caps with riveted corners. We replace those with laser-welded 316 stainless caps that fit the same footprint. The rivets are the weak point, not the steel.
- HeatShield liner-to-crown gap smoke leakage. When HeatShield’s cerfractory system is installed over an existing clay tile liner, the gap between the new liner surface and the original crown is sometimes left too wide. In Annapolis we see this on oil-to-gas conversions and on fireplaces that sat unused for years before the homeowner had the liner done. What the homeowner notices is a faint smoke smell in the upstairs on windy days. The fix is a custom-fitted crown patch or a top plate sealed with high-temp silicone, not another coat of sealant.
- Cap sizing issues with HeatShield’s standard cap line. HeatShield sells caps sized to the outside of the flue tile. When the original tile is cracked or spalled (a condition we see a lot on older Annapolis row houses), the cap doesn’t seat cleanly. A gap of even a quarter inch lets rain drive in. We check the actual outside dimension of the flue with a tape measure, then order a cap that fits the number, not the catalog listing.
- Wildlife entry around loose HeatShield caps. Annapolis has a healthy squirrel and raccoon population, and a loose cap on a HeatShield liner is an open door. The animals don’t care about the brand. What we care about is that a raccoon with a litter inside a flue is a carbon monoxide hazard waiting to happen. We remove animals, clean the flue, and reinstall the cap with mechanical fasteners, not caulk. A cap held on with caulk is a cap waiting to end up in the neighbor’s yard.
Our HeatShield Chimney Cap & Crown Process

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Call or text. You call (443) 274-4231. A live person answers. We schedule a window that works, and we text you when the tech is on the way.
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Camera inspection. We run a camera down the flue before anyone touches a tool. That’s NFPA 211 Level 2, and it’s been our default since 2009. You get the photos whether the job is simple or not.
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Findings and written price. The tech writes down what the camera showed, what the crown and cap look like from the roof, and what the fix costs. You get that price before any work starts. No “call for a quote” games.
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The repair. We make the call on parts: if HeatShield-specific materials are required, we use them. If a quality aftermarket cap or crown coat is the better value and doesn’t void your warranty, we tell you that plainly and show you both numbers.
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Documentation and Done Right Promise. After the work is finished, you get a photo record of everything we did, the written scope, and the written warranty. If it’s not done right, we make it right, up to 365 days later. That’s Clause 1 and Clause 4 of the Haven Standard, and we’ve been doing it that way since 2009.
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AfterWhat HeatShield Chimney Cap & Crown Costs in Annapolis
Here are the numbers we quote in Annapolis. They’re ranges because no two chimneys are the same, but this is what you should expect.
- Crown reseal with HeatShield crown coat: $385 to $650 depending on crown size and condition.
- Standard HeatShield cap replacement (single flue): $425 to $750 installed.
- Multi-flue custom cap with 316 stainless: $950 to $1,400 installed, depending on footprint.
- Full crown rebuild with concrete, drip edge, and coating: $1,100 to $1,700.
- Liner-to-crown gap patch with top plate: $275 to $450.
What moves the price: roof pitch and access, how much crown needs to be ground out, whether we’re matching a HeatShield part or upgrading to a better part, and whether there’s animal damage or creosote buildup inside that needs to be addressed first. We don’t add charges after the fact. The price we write down is the price you pay. Estimates are free, and if you have a written quote from another company, bring it in and we’ll give you a second opinion on it, no charge.
Why Annapolis Homeowners Call Level Two Chimney Annapolis for HeatShield Work

Most of our HeatShield calls in Annapolis come from homeowners who got a liner installed by another company, the company moved on, and now the cap is rusting or the crown is leaking. They don’t need a pitch. They need someone who knows what they’re looking at. That’s where we come in. Corrine Halstead and her crew have worked on HeatShield systems throughout Annapolis, from the row houses near the Naval Academy to the split-levels out toward Parole. We know how HeatShield products behave in this climate, and we know what fails first.
We service other brands too, DuraFlex and Gelco among them, so when we recommend a part or a repair, it’s because it’s the right call for your chimney, not because we’re married to a brand. Every tech is background-checked and uniformed. Every job gets a written price, a written scope, and a written warranty before work starts. And every visit includes a documented photo record, because the camera doesn’t guess. Neither do we.
FAQs
HeatShield’s warranty covers the cerfractory liner material, not the cap or crown, which are typically covered by the installer’s workmanship warranty, if anything at all. Most Annapolis homeowners we see are past the installer’s warranty window when the cap starts showing rust or the crown starts cracking. That’s why we stress documentation. When we install or repair a cap or crown, you get a written warranty on our work that’s good for a year under the Done Right Promise, regardless of what the manufacturer covers. Call (443) 274-4231 and we’ll tell you honestly whether your HeatShield warranty is likely to apply before you spend a dollar on diagnostics.
Most single-flue HeatShield cap replacements in Annapolis happen in one visit, same week as the inspection, because we stock the common cap sizes on the truck. Custom multi-flue caps take seven to ten business days to fabricate. If your cap is loose and we’re worried about animals or water entry, we can install a temporary cap at a reduced rate while the custom unit is being built. Call (443) 274-4231 and tell us what you have, and we’ll give you a real timeline.
If the crown is cracked but the concrete underneath is still sound, we can grind out the failed coating and apply a fresh HeatShield crown coat. If the crown is spalled, crumbling, or missing a proper drip edge, a coat won’t help, and we’ll tell you that plainly. The repair-versus-replace call comes down to what the camera and the visual inspection show. You’ll see the photos either way. Call (443) 274-4231 for an honest assessment, not a upsell.
We use HeatShield parts when they’re the best option for your chimney and won’t void a warranty. We use quality aftermarket parts when they’re better, which is often the case with stainless caps, where 316 marine-grade steel outperforms the standard HeatShield cap material in an Annapolis salt-air environment. We show you both options and both prices, written down, before you decide. That’s the whole point of the written-price practice.
You risk two things: water entry into the flue, which accelerates liner deterioration and can lead to a chimney fire or carbon monoxide issues, and animal entry, which is the more immediate danger in Annapolis. A raccoon nest in a flue is a carbon monoxide hazard with a heartbeat. If the cap is loose or the crown is letting water in, the problem gets more expensive the longer you wait. We’d rather tell you it can wait than tell you to spend money you don’t need to spend. Call (443) 274-4231 and we’ll give you our honest read.
Written by Corrine Halstead, Owner, Level Two Chimney Annapolis at Level Two Chimney Annapolis, serving Annapolis and nearby areas.





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