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 Chimney Cap & Crown in Manassas: What to Know First
We provide independent Famco chimney cap and crown service in Manassas, with most jobs completed in a single visit and upfront pricing agreed before we start. A standard Famco cap replacement runs $280-$520, while crown repair or coating typically falls between $340-$780 depending on accessibility and the extent of masonry damage. We do not quote over the phone without seeing the chimney, because a cap that looks fine from the ground can hide a cracked crown underneath.
This page is for homeowners in Manassas, Bristow, and the surrounding Prince William County area who already have a Famco cap or crown installed and need honest guidance on whether it can be repaired, must be replaced, or is simply doing its job and needs no attention at all. If the flue is clear and the mortar is solid, we’ll tell you that. If it isn’t, we’ll tell you that too. Call (571) 586-0593 - a live person answers, 24 hours a day.
How Famco Products Fail - and How We Fix Them
- Famco Single-Flue Galvanized Caps: The 3000 series and similar galvanized models we see around Manassas develop rust-through at the seams within 8-12 years, faster than the stainless lines because our freeze-thaw cycles trap moisture in the rolled edges. We replace with either a Famco stainless equivalent or a Gelco unit with a lifetime warranty, depending on your flue configuration and budget.
- Famco Multi-Flue Caps (5000 Series): The mesh screen on these can sag or separate from the frame when subjected to the heavy, wind-driven rain common to homes near the Bull Run Mountains. Our fix is a rescreen with heavier 18-8 stainless mesh, or full replacement if the frame has warped from thermal cycling.
- Famco Draft-Increasing Caps: The turbine-style and vacuum-assisted caps in the 7500 line seize when creosote particulates work into the bearing assembly, which happens more often in Manassas homes that burn unseasoned hardwood from local suppliers. We disassemble, clean, and relubricate where possible; if the bearing race is scored, we source a direct OEM replacement or convert to a static high-flow cap.
- Famco Crown Wash Under Caps: Many Manassas homeowners don’t realize their Famco cap was installed directly on a deteriorated crown wash. The cap looks fine, but water slips underneath and rots the top course of brick. We pull the cap, grind back to sound concrete, and pour a new sloped crown with proper drip edge before resetting or replacing the cap.
- Famco Band-Around-Brick Mounts: On older chimneys in the Liberia and Georgetown South neighborhoods, the expansion-band mounting common to Famco multi-flue caps can loosen as the brick faces spall from decades of moisture absorption. We repoint the damaged course first, then switch to a bolt-through or flue-top mount that doesn’t rely on compromised masonry.
Our Famco Chimney Cap & Crown Process
- 1
Call and schedule. A live person answers, day or night. We book a window that works for you - no app, no callback tag.
- 2
Level-2 camera inspection. Our technician arrives in uniform, runs a camera up the flue, and photographs the crown, cap, and interior from top to bottom. You see the images on the spot.
- 3
Plain-English verdict and pricing. We explain whether your Famco unit needs repair, replacement, or nothing at all. The price we quote is the price on the invoice - no surprises.
- 4
Parts decision. If replacement is needed, we discuss OEM Famco versus compatible professional-grade alternatives from Gelco or Olympia Chimney. We explain the warranty and material trade-offs so you choose with full information.
- 5
The repair. Most Famco cap and crown jobs finish in one visit. Crown work cures overnight; we return the next day if needed, at no extra charge.
- 6
Documentation and guarantee. You receive photos, a written condition report, and our 90-Day Done Right Promise - in writing, no arguing. If it’s not right, we come back.
What Famco Chimney Cap & Crown Costs in Manassas
| Service | Typical Range | What Moves the Price |
|---|---|---|
| Famco single-flue cap replacement | $280-$420 | Stainless vs. galvanized, flue size, height of chimney |
| Famco multi-flue cap replacement | $380-$620 | Screen gauge, frame size, band vs. bolt-through mount |
| Crown repair / partial rebuild | $340-$680 | Linear feet of damage, need for forming, accessibility |
| Crown coating (HeatShield or similar) | $420-$780 | Crown condition, number of flues, whether cap removal is required |
| Cap + crown combined job | $620-$1,100 | Extent of masonry work, materials chosen, chimney height |
Steep roofs, slate or tile that requires special footing, and chimneys over two stories add labor time. We tell you this before we start, not after. Every estimate is free - call (571) 586-0593 for an exact quote on your Famco cap or crown.
Why Manassas Homeowners Call Hearthstone Chimney Co. for Famco Work
We’ve been answering the phone with a live person for over 42 years, and we plan to be in Manassas for decades more. That changes how we treat every job - no shortcuts, no disappearing acts.
Our 90-Day Done Right Promise means if the crown leaks or the cap doesn’t fit right, we come back. In writing, no arguing. Russell Haines and our technicians know Famco products specifically, but we’re not locked to one brand. When a DuraFlex liner, HeatShield crown coating, or Gelco cap serves you better, we say so plainly and install it correctly.
Background-checked, uniformed technicians. Photos you can see. A square deal: no surprises on the bill. That’s why homeowners in Manassas, Bristow, and Gainesville keep our number.
FAQs
No - Famco’s warranty covers manufacturing defects, not independent service. As an independent Famco service provider, we use warranty-safe practices and document our work so any legitimate manufacturer claim remains valid. If your cap failed due to a defect, we’ll note it in our report and guide you on the OEM claim process. Call (571) 586-0593 for a free inspection.
Yes, for most lines. Famco maintains parts availability for current and recently discontinued series, and we stock common sizes of mesh, hardware, and replacement lids. For obsolete models, we source compatible professional-grade components from Gelco or Olympia Chimney that match or exceed original specifications. We’ll tell you before ordering if a part is back-ordered or discontinued.
Repair is viable when cracks are superficial and the crown still sheds water properly. We grind, seal, and coat with HeatShield or pour a new bonded crown layer. Replacement is necessary when the crown has separated from the brick, is pitched toward the flue (trapping water), or has deteriorated past 40% of its surface area. Our camera inspection and photos show you exactly which category you’re in.
Most cap replacements take 1-2 hours. Crown repair or coating adds 2-4 hours, plus cure time. We complete most jobs in a single visit; crown coatings that need overnight curing get a no-charge return trip the next day to reinstall the cap and verify drainage. We’ll give you a clear timeline when we quote.
Water in the firebox, rust on the damper, or stained chimney breast inside the house usually point to crown failure beneath a cap that looks intact. In Manassas, the combination of wind-driven rain and the clay-heavy soils that shift older chimneys means the crown takes abuse the cap cannot see. Our Level-2 inspection with photos separates cap issues from crown issues from liner issues - so you don’t pay for the wrong repair. Call (571) 586-0593 for a free estimate.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Manassas and nearby areas.





Before
After
Before
After
Before
After