Famco Chimney Cap Installation Nationwide

Famco Chimney Cap Installation: The Denver Owner’s Guide

We stock and install Famco-compatible chimney caps across Denver, with most jobs running $340-$620 installed depending on flue size, cap style, and whether the flue tile needs trimming. Same-day installation is usually available when you call before noon. Most Denver homeowners realize their cap has failed after finding rust streaks on the chimney breast, hearing animals in the flue, or noticing water stains on the firebox ceiling after a spring storm.

Call (720) 674-7312

Which Famco Models This Applies To

Famco caps fall into three main series you’ll see on Denver roofs: the standard galvanized line (GC series), the stainless Multi-Flue caps (MF prefix), and the wind-resistant WindBeater models popular in the foothills. The label is usually stamped on the underside of the lid or on a small tag welded to the mesh skirt. If the tag’s rusted off, measure the outside width of your flue tile, not the chimney crown. A 13×13 flue takes a different cap than a 13×13 crown with overhang.

We source Famco caps through Haven’s buying network, but we also carry Olympia Chimney and Gelco equivalents when the original series has been discontinued. The aftermarket stainless caps match Famco’s 304-grade spec and carry the same 10-year warranty in Colorado’s UV and freeze-thaw cycle. One gotcha: pre-2015 Famco Multi-Flue caps used a 3/4-inch mesh that doesn’t meet current NFPA 211 spark-arrestor standards for homes within city limits. We flag that during camera inspection and quote the compliant replacement before we drive out.

Signs Your Famco Chimney Cap Installation Is Failing

• Rust bleeding down the chimney face. Famco’s galvanized caps start showing orange streaks after 7-10 years in Denver’s combination of intense sun and freeze-thaw. The rust isn’t cosmetic. Once the base metal is compromised, the cap loses structural rigidity and the mesh skirt separates from the lid.
• Mesh screen pulling away from the frame. This happens when the spot welds fail, usually from thermal cycling. In Park Hill and Stapleton we see this on south-facing chimneys where afternoon sun hits metal that’s still cold from the night before. Gaps in the mesh let squirrels and starlings nest directly in the flue.
• Water in the firebox after rain or snowmelt. A properly seated Famco cap sheds water past the flue tile. When the lid warps or the storm collar cracks, water tracks down the flue and pools on the smoke shelf. We find this most often in spring, when homeowners light what they think is a dry firebox and hear sizzling.
• Cap sitting crooked or missing entirely after wind. The WindBeater series handles Front Range gusts better than standard models, but any cap with corroded base screws or a failed compression band can lift off in a Chinook event. We’ve retrieved caps from yards in Wash Park and once from a neighbor’s gutter in Berkeley.
• Downdraft smoke even with the damper open. When the Famco lid deforms or the internal baffle breaks free, the cap stops breaking wind across the flue opening. Smoke backs into the room on high-pressure days, typically northwest winds behind a cold front.

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Replacement Cost & What’s Included

The range depends on three things: cap series, whether we need to cut or shim the flue tile for a proper seat, and roof access. A walkable roof in Congress Park is straightforward. A steep slate pitch in Cherry Creek North takes longer and requires additional tie-off. Every quote is written before work starts, per Haven Standard Clause 1. The cap carries Famco’s manufacturer warranty, and our installation is covered by the 365-Day Done Right Promise.

DIY or Call Us?

You can safely check whether your Famco cap is loose by sighting up from the firebox with a flashlight, or by binoculars from the ground. Don’t climb the roof to wiggle it. Chimney work above 15 feet on a residential pitch is where DIY injuries happen, and a cap that lifts free in your hands can send you off-balance.

What goes wrong when homeowners self-install: wrong base measurement leading to a cap that overhangs the flue and traps condensation; driving screws into cracked flue tile and splitting it further; using non-stainless fasteners that rust through in two Denver winters. We carry Famco and compatible caps on the truck, and we verify fit with a camera look down the flue before we seal anything. If you want to know what you’re dealing with, call (720) 674-7312 and we’ll book a camera inspection. The footage belongs to you either way.

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