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.
Famco Crown Repair: The Allentown Owner’s Guide
Famco chimney crown repair in Allentown typically runs $280-$520 installed, depending on crown size and whether the underlying concrete needs patching before the new Famco crown is set. We stock Famco-compatible crown assemblies and repair compounds on our trucks, and most replacements are completed in a single visit. You’ll usually notice the problem first as water staining on the chimney breast or a crumbly, sand-like residue washing down the brick after rain.
In Allentown’s climate, freeze-thaw cycles hit chimney crowns harder than almost any other component. Water finds its way into hairline cracks, expands overnight when temperatures drop below 32 degrees, and by spring you’ve got spalling concrete and a crown that funnels water straight into the flue instead of shedding it. We’ve replaced Famco crowns on homes from the West Park neighborhood out to Trexlertown, and the pattern is consistent: small cracks ignored become expensive rebuilds.
Which Famco Models This Applies To
Famco manufactures several crown styles, and matching the right assembly matters more than most homeowners realize. The stamped model number appears on a metal tag at the crown base or, on older units, cast into the concrete itself near the flue opening. Common series we encounter in Allentown include the Famco standard poured-concrete crowns (typically 24″ to 36″ square for residential flues), the Famco pre-formed polymer crowns introduced in the early 2000s, and the Famco stainless-trimmed models designed for multi-flue chimneys.
Here’s where compatibility gets tricky: Famco’s polymer crowns from the 2004-2012 production run used a proprietary lip dimension that doesn’t seat correctly against standard aftermarket replacements. We’ve learned to measure the existing crown’s overhang, flue opening spacing, and drip-edge profile before ordering. For most standard Famco concrete crowns, a quality aftermarket equivalent from Olympia Chimney or Gelco performs identically at lower cost. For those polymer units with the non-standard lip, OEM Famco remains the safer path. We carry both on our trucks and will show you the difference before any work begins.
Hearthstone Chimney Co. is an independent service provider, not affiliated with Famco.
Signs Your Famco Crown Repair Is Failing
- Water stains on interior chimney breast or ceiling near the fireplace. The crown’s primary job is to shed water away from the flue and masonry. When cracks develop in a Famco crown, water travels down the flue tile or between the chimney structure and the flue liner, showing up as discolored drywall or peeling paint inside the home. We see this most often in Allentown homes with south-facing chimneys that take the brunt of winter sun followed by rapid freeze.
- Crumbly concrete or sand-like debris at the chimney top or in the firebox. This is spalling, the physical breakdown of the crown surface. Famco concrete crowns use a specific aggregate mix that, once the surface seal fails, deteriorates faster than generic concrete in freeze-thaw conditions. The debris you sweep out of your firebox is your crown washing away.
- Visible cracks wider than a dime, especially running from the flue tile to the crown edge. Hairline cracks are normal aging. Cracks that accept a dime’s edge are pathways for water. On Famco crowns, these typically originate at the flue tile interface because the dissimilar materials expand and contract at different rates through Allentown’s temperature swings.
- Deteriorated or missing caulk/sealant at the flue tile-to-crown joint. Famco crowns rely on a flexible seal at this joint to accommodate thermal movement. When that seal hardens and separates, water enters the gap directly. This is often the first failure point we find during Level-2 camera inspections.
- Chimney cap sitting crooked or gaps visible between cap and crown. A failing crown loses its flat plane. The cap can’t seat properly, wind gets under it, and the problem accelerates. We’ve found Famco crowns in Allentown’s older housing stock where the crown had settled so unevenly the cap was essentially decorative.
Replacement Cost & What’s Included
| Service Component | Price Range (Allentown) |
|---|---|
| Famco standard crown removal and replacement, single flue | $280-$380 |
| Famco crown with underlying concrete patch/rebuild | $380-$520 |
| Multi-flue Famco crown or stainless-trimmed model | $420-$580 |
| Flue tile reseal (recommended during crown work) | $85-$120 |
The range depends on three factors: crown size and series, whether the crown base requires rebuilding before the new unit is set, and accessibility (steep roof pitch, height, or limited staging space add labor time). Every estimate includes the Famco-compatible crown, professional-grade bonding compound, sealant rated to 400°F flue temperatures, and disposal of the old crown. We photograph the existing condition, explain what we found, and give you the full price before any work starts. The number on the estimate is the number on the invoice. All crown work carries our 90-Day Done Right Promise - in writing, no arguing.
DIY or Call Us?
There’s an honest middle ground here. A homeowner can safely inspect their Famco crown from ground level with binoculars, looking for the crack patterns and debris signs described above. You can also check the attic for water staining on the chimney chase during daylight. What you should not do is climb the roof to apply sealant or attempt crown removal yourself.
Chimney crown work involves working at height on a sloped or flat roof surface, often with power tools and heavy materials that shift your balance. More critically, improper crown installation - wrong pitch, inadequate overhang, or sealing the flue tile incorrectly - traps water inside the chimney structure rather than shedding it. We’ve been called to Allentown homes where a well-meaning DIY sealant job actually accelerated the damage by preventing the masonry from breathing. The chimney doesn’t care what it looks like from the street. We check what’s inside.
If you’ve spotted symptoms, call us at (610) 632-1394. We’ll confirm whether it’s a Famco crown issue, what it will cost, and when we can get it done.
FAQs
A properly installed Famco concrete crown typically lasts 15-25 years in the Lehigh Valley, though Allentown’s freeze-thaw cycles and occasional ice storms push the lower end of that range. Polymer Famco crowns from the 2000s often show failure at 12-18 years. Annual inspection catches problems before they shorten that lifespan further. Call (610) 632-1394 to schedule - estimates are free.
Hairline cracks sometimes qualify for professional resurfacing with a flexible crown coat, but only if the underlying concrete is sound and the crack hasn’t penetrated to the reinforcement mesh. We make that determination with a hammer test and visual inspection during our visit. If we can repair instead of replace, we’ll tell you plainly and charge accordingly. Call (610) 632-1394 for an honest assessment.
Most single-flue Famco crown replacements take two to three hours from setup to cleanup, assuming standard access and no underlying rebuild. Multi-flue or stainless-trimmed models, or jobs requiring concrete base repair, may extend to a half day. We complete most jobs in a single visit. Call (610) 632-1394 to book a time that works.
We carry Famco-compatible crowns, repair compounds, and sealants for the most common residential sizes. For unusual multi-flue configurations or the 2004-2012 polymer series with the non-standard lip, we may need to order overnight. We’ll know after you describe your chimney or we complete a quick inspection. Call (610) 632-1394 and we’ll confirm availability.
Ready to get your Famco crown sorted? Call Hearthstone Chimney Co. at (610) 632-1394. A live person answers 24 hours a day, 7 days a week. We’ll send a background-checked, uniformed technician who’ll inspect the crown, show you photos of what we found, and give you upfront pricing before any work begins. We’ve served Allentown and the surrounding communities for over 42 years, and we plan to be here when you need us next.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Allentown and nearby areas.





Before
After
Before
After
Before
After