Gelco Chimney Cap Installation Nationwide

Gelco Chimney Cap Installation: The Alpharetta Owner’s Guide

We stock and install Gelco chimney caps throughout Alpharetta, with most installations running between $385 and $560 including the cap, mounting hardware, and labor. We keep common Gelco sizes on the truck so most swaps happen the same day we arrive. Homeowners typically find us after a rainstorm when water starts beading on the firebox floor, after a squirrel sets up housekeeping in the flue, or after a windstorm leaves a mangled cap in the flower bed.

Call (762) 225-2593

If your Gelco cap is rusted through, missing its screen, or no longer sitting square on the flue tile, the fix is usually straightforward. We match the cap to your existing Gelco model or replace it with an equivalent spec, seal it properly, and you’re done. The written price covers everything: the cap, the fasteners, the sealant, and full clean-up before we leave.

Which Gelco Models This Applies To

Gelco makes three cap lines we work with regularly in Alpharetta: the standard single-flue caps, the multi-flue caps for homes with two or three flues in one chimney, and the deluxe models with hinged lids for easier sweeping access. The compatibility gotcha most homeowners hit is the flue tile size. Gelco caps are sized to the outside dimensions of your flue tile, not the opening. A cap listed for a 13″x13″ flue needs a flue tile that measures 13 inches by 13 inches on the outside. Many Alpharetta homes built in the 1980s and 1990s have flue tiles that measure a half-inch or inch off standard, which means the cap you ordered online won’t seat correctly.

For OEM versus aftermarket: Gelco caps are well made and we install them happily, but the mounting system is not proprietary. A quality aftermarket cap with the same footprint and the same screen mesh will perform just as well and often costs $40 to $70 less. We will tell you honestly when the aftermarket option does the job. Where Gelco is worth the extra money is on their hinged deluxe models, because the hinge mechanism is the failure point on cheaper versions. That hinge is what lets us sweep the flue without unbolting the cap every time.

Signs Your Gelco Chimney Cap Installation Is Failing

• Water in the firebox after rain. The most common failure mode is a rusted cap base allowing water to run down the flue walls. Gelco caps use a galvanized or stainless base, and once the base rusts through, rain has a clear path down. In Alpharetta’s humid summers and frequent spring storms, we see this on caps that are ten to twelve years old.
• Drafting problems or smoke backing into the room. A cap whose screen is clogged with creosote and debris restricts airflow to the point where the fireplace no longer draws properly. It is not the firewood. It is a blocked cap screen reducing the draft to almost nothing.
• Animal noise or nesting material visible at the flue opening. Raccoons in the Windward area and squirrels everywhere in Alpharetta have no trouble tearing through a deteriorating cap screen. Once they are in, they nest, and a nest inside a flue is a carbon monoxide risk as much as a fire risk.
• The cap sits crooked or has visible rust streaks down the chimney chase. Wind and weather will loosen mounting bolts over time. A tilted cap lets rain enter on the high side. The rust streaks are cosmetic, but the tilt underneath them is not.
• You can hear wind howling through the fireplace even with the damper closed. A missing or badly fitted cap turns the flue into an open throat to the sky, and it also lets conditioned air escape your house in summer. The fix is usually a cap replacement and proper sealing at the flue tile.

Replacement Cost & What’s Included

In Alpharetta, expect to pay between $385 and $560 for a Gelco chimney cap replacement installed. That breaks down as roughly $185 to $310 for the cap itself depending on size and whether you choose stainless or galvanized, plus $200 to $250 for labor and mounting materials. The variables are flue tile size, whether you need a single-flue or multi-flue cap, and whether we are matching an existing Gelco model or switching to an equivalent. Stainless costs more upfront but holds up noticeably better in Georgia humidity.

Every Kindling Chimney Alpharetta cap install includes removal of the old cap, inspection of the flue tile underneath for damage we should know about, installation of the new cap with mechanical fasteners plus high-temperature sealant, and full clean-up afterward. We hand you a written price before any work starts, and the job is covered by our 365-Day Done Right Promise: if the cap is not installed correctly, we fix it, no runaround.

DIY or Call Us?

Climbing onto a roof in Alpharetta is the dangerous part, and it is the part we think owners should hand to someone who does it weekly. If you want to check what you can from the ground, look for visible rust, a crooked cap, or missing pieces on the cap visible from the yard. But the actual replacement means working at height, on a sloped or shingled roof, often near a chimney chase where footing is awkward. Falls from single-story roofs cause serious injuries every year, and that is not the time to learn your roof’s geometry.

We wear harnesses when the roof pitch calls for it, and our technicians are background-checked and uniformed. They lay drop cloths wherever they walk inside, and they take a photo of the clean-up before they leave. If you are unsure whether your Gelco cap needs replacing, call (762) 225-2593 and describe what you are seeing. We will be straight with you about whether it needs to happen now or can wait until spring.

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