Famco Chimney Cap Installation Nationwide

Famco Chimney Cap Installation: The Westminster Owner’s Guide

We stock and install Famco-compatible chimney caps across Westminster, with most jobs running $340-$620 installed depending on flue size and whether your crown needs attention first. In Carroll County’s freeze-thaw cycle, a failed cap lets water into the flue that turns to ice and widens cracks by spring. If you’re seeing rust streaks on the brick or hearing animals in the flue, the cap is likely compromised and the fix shouldn’t wait through another winter.

Call (301) 215-3355

Which Famco Models This Applies To

Famco builds caps across several product lines, and the right match depends on what you’ve got on the roof now. The stamped-metal economy caps, common on Westminster tract homes from the 1990s, carry a model prefix like SC or GC and fit single flue tiles up to 13 by 13 inches. The heavier-gauge Galvanized and Stainless series, prefixed GS or SS, cover larger flues and multi-flue setups you’ll see on the older colonials near Main Street. The critical gotcha: Famco’s stainless line uses a slightly different base flange width than their galvanized equivalent in the same nominal size. Measure the flue tile outside dimensions, not the old cap’s lid, or you’ll order a part that sits crooked and leaks in the first hard rain.

We carry both OEM Famco caps and matching-grade aftermarket equivalents from Gelco and Copperfield on our trucks. The aftermarket units meet the same 24-gauge stainless spec and carry equivalent wind ratings, but cost 15-20% less. For Westminster’s salt-laden winter air off the Piedmont, we typically recommend stainless over galvanized unless budget is tight and you’re planning to sell within five years. Russell Haines checks the flue tile condition before recommending either route - a cap on a cracked crown is money thrown away.

Signs Your Famco Chimney Cap Is Failing

• Rust stains running down the brickwork. Galvanized caps lose their zinc coating after 12-15 years in Maryland’s humidity. Once rust starts, the metal thins fast. We see this most on west-facing flues that catch afternoon sun followed by evening freeze.
• Water in the firebox after rain. A cap with a bent or missing lid lets straight rain into the flue. In Westminster’s clay-heavy soil zone, that moisture wicks into the surrounding masonry and accelerates spalling.
• Scraping or scratching sounds from the flue. Squirrels and raccoons push past loose or corroded mesh sides. Famco’s standard 5/8-inch mesh keeps animals out when intact, but bent wires create an entry point.
• The cap sits tilted or rocks when touched. The base flange corrodes where it meets the flue tile, or the masonry screws back out from freeze-thaw cycling. Either way, the seal is broken.
• Sooty smell in the house on humid days. A missing or damaged cap lets downdrafts push creosote odor back into the living space. This is common in Westminster’s valley locations where wind patterns swirl around the roofline.

Replacement Cost & What’s Included

The range depends on three things: cap size and material grade, whether we can reuse the existing base flange, and what the flue tile and crown look like underneath. We run a camera first. You’ll see the footage, hear the plain-English verdict, and get the full number before we start. No surprises on the bill. Every cap install carries our 90-Day Done Right Promise - in writing, no arguing. If it leaks or loosens, we come back.

DIY or Call Us?

An owner can safely check whether the cap rocks, whether mesh is intact, and whether rust has started from the ground with binoculars. Do not climb the roof. Westminster’s older homes often have steep pitches and brittle asphalt shingles past their prime. The fall risk isn’t worth saving a service fee.

Where DIY goes wrong: improper sealing between cap base and flue tile, wrong screw type that cracks the tile, or a cap sized to the old unit rather than the actual flue dimensions. We’ve pulled off homeowner installs that leaked within a season because the base flange sat 3/8 inch off-center. Do it right the first time, or plan on doing it twice. Call (301) 215-3355 and we’ll get you scheduled.

FAQs