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 Installation: The Roanoke Owner’s Guide
We stock and install Famco-compatible chimney caps across the Roanoke Valley, with most replacements running $340-$680 installed depending on flue size and whether your crown needs resealing. Many of our calls come from homeowners in neighborhoods like Grandin, Cave Spring, and Hollins who’ve spotted rust streaks or water in the firebox after a hard Virginia rain. If you’ve got a Famco cap that’s corroded, blown off in wind, or simply outlived its seal, we can match the spec and have it swapped in a single visit.
A clean chimney doesn’t announce itself. Neither does a problem - until it does.
Which Famco Models This Applies To
Famco builds caps across several product lines, and the right match depends on what’s sitting on your flue right now. The most common we see in Roanoke are the standard galvanized single-flue caps, the stainless-steel multi-flue models, and the wind-directional Vacu-Stack series that older homes in Windsor Hills and South Roanoke seem to collect. Check the underside of your existing cap for a stamped model number, or measure the flue tile opening - width, depth, and whether it’s square, rectangular, or round. The collar height matters too; a cap made for a 9-inch extended flue won’t seat right on a flush mount.
We’re independent of Famco, so we source both OEM caps and quality aftermarket equivalents from Olympia Chimney and Copperfield when the original spec has been discontinued. The aftermarket route saves some homeowners forty to sixty dollars without giving up stainless construction or proper mesh sizing. We’ll show you both options and explain the difference, then you decide.
Signs Your Famco Chimney Cap Is Failing
- Rust stains running down the brickwork below the cap. Galvanized steel caps in Roanoke’s wet shoulder seasons - especially with our freeze-thaw cycles - develop pinholes at the seams first. Once water gets under the finish, it travels fast.
- Mesh sides clogged with creosote or animal nesting. Famco’s standard spark arrestor mesh is 5/8-inch, which catches debris but also traps it. A clogged mesh chokes draft and pushes smoke back into the house.
- Cap sitting crooked or gaps visible between cap and flue tile. The mounting brackets fatigue over time, especially if the original installer overtightened them. Gaps let rain pour straight onto your smoke shelf.
- Water in the firebox or white efflorescence on interior firebrick. This means the cap has already failed as a water barrier. In Roanoke’s humidity, that moisture never really dries out between storms.
- No cap visible at all after a windstorm. Famco’s lighter galvanized units can lift off if the mounting screws pull from deteriorating flue tile. We find them in azalea bushes more often than you’d think.
Replacement Cost & What’s Included
| Service | Price Range |
|---|---|
| Famco-compatible cap, standard single-flue (galvanized) | $340-$460 |
| Famco-compatible cap, standard single-flue (stainless) | $420-$580 |
| Multi-flue or Vacu-Stack replacement | $520-$680 |
| Crown resealing (if needed) | $180-$340 |
The range depends on three things: cap material grade, whether your flue tile is sound enough to mount to, and if the crown underneath needs CrownCoat or HeatShield work to prevent the same failure next year. We price everything upfront before we climb down. The number on the estimate is the number on the invoice. Our 90-Day Done Right Promise covers the installation in writing - if it’s not right, we come back, no arguing.
DIY or Call Us?
There’s no high-tension spring or electrical hazard on a chimney cap, but there’s also no good way to inspect the flue tile and crown condition from the ground. An owner can safely check from inside: shine a flashlight up the flue and look for daylight gaps, water stains, or debris that shouldn’t be there. What you can’t see is whether the flue tile lip is cracked underneath the mounting brackets - and driving screws into cracked tile turns a cap replacement into a liner conversation.
We’ve been on roofs along Grandin Road and throughout Roanoke long enough to know which pitches get slick after a morning dew. If you’re not comfortable with a ladder and a steep slope, there’s no shame in that. Call (540) 787-3302 and we’ll handle the climb, the match, and the mount. Done right - and we stand behind it.
FAQs
Galvanized caps typically last 7-12 years in our climate; stainless models often go 15-20. The difference is our freeze-thaw cycle and the acidity of wood smoke condensate. If yours is past eight years, it’s worth a camera look during your next sweep.
Sometimes. A loose bracket or minor surface rust can be addressed. But once the mesh is separating from the frame or the lid has warped, replacement is the sound call. We’ll show you photos and give you a straight verdict - no upsell if a repair holds.
Most Famco cap replacements take 45 to 90 minutes from ladder set to final screw check. If we find crown damage underneath, we’ll explain what we see and schedule that work separately unless it’s urgent.
We carry the most common sizes for single-flue and multi-flue installations, and we can source same-day for Vacu-Stack or less common dimensions. Call (540) 787-3302 with your flue measurements and we’ll confirm before we roll.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Roanoke and nearby areas.





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