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.
Olympia Chimney Chimney Cap Installation: The New City Owner’s Guide
An Olympia Chimney chimney cap installation in New City typically runs $340-$620 depending on flue size and whether your crown needs repair before mounting. We stock Olympia Chimney-compatible caps in common sizes for Rockland County flues and can usually install within a few days of your call. Most New City homeowners realize their cap has failed when they spot rust streaks down the brick or find water in the firebox after a hard rain off the Hudson.
Which Olympia Chimney Models This Applies To
Olympia Chimney manufactures caps across several product lines, and matching the right one matters more than with some brands because their mounting systems vary. The Gelco-style series uses a standard outside-mount leg configuration that fits most rectangular and square flue tiles common in New City homes built between 1960 and 1995. Their stainless collar-mount caps, by contrast, require a specific flue tile dimension and a sound crown edge to seat properly.
To identify your cap, look for the stamped model number on the underside of any remaining metal, or measure your flue tile’s outside dimensions precisely. Olympia Chimney caps are sized in quarter-inch increments, and a cap that’s even slightly too large will gap and leak; too small and it won’t seat at all. We carry both OEM Olympia Chimney caps and professional-grade equivalents from Gelco and Copperfield that match the same specs. For most New City installations, the aftermarket equivalent performs identically at a lower parts cost, though some homeowners with newer Olympia Chimney full-system liners prefer to stay with the factory brand for warranty continuity. We’re independent of Olympia Chimney, so we’ll tell you straight which route makes sense for your setup.
Signs Your Olympia Chimney Chimney Cap Installation Is Failing
- Rust staining on the chimney breast or roof shingles. Olympia Chimney caps use 304 or 316 stainless depending on the series, but the spot-welded corners and mesh screens are where the salt-heavy air from the Hudson Valley first attacks. Once rust appears at the seams, the cap is already channeling water toward the flue.
- Water in the firebox or damp odors after rain. A cap that has shifted on its mount, or whose mesh has sagged from snow load, creates a direct path for water. In New City’s freeze-thaw cycles, that water expands in the flue tile and opens hairline cracks you cannot see from below.
- Debris, leaves, or bird nesting material visible from below. The mesh screen on an Olympia Chimney cap is designed to keep animals out while letting smoke escape. When the mesh corrodes or the cap blows partially off in a nor’easter, squirrels and starlings move in fast.
- Downdraft smoke spillage into the room on windy days. A cap whose lid has bent or whose baffles have detached no longer breaks the wind correctly. The Tappan Zee corridor gets steady westerlies that will push smoke back down a compromised cap.
- The cap is visibly tilted, missing, or rattling in wind. This seems obvious, but we have found caps dangling by a single leg that the homeowner had simply stopped noticing. A loose cap is worse than none, it funnels water exactly where you do not want it.
Replacement Cost & What’s Included
For a standard Olympia Chimney chimney cap installation in New City, most homeowners pay between $340 and $620. A straightforward swap on a sound crown with a standard 13″ x 13″ or 8″ x 12″ flue tile sits at the lower end. The price climbs when we need to rebuild crown edges, upsize to a multi-flue cap, or use a custom outside-mount for an oversized flue common in some of the larger Colonials near New City’s Veterans Memorial Park.
Every installation includes removal and disposal of the old cap, a Level-1 visual inspection of the flue tile and crown, precise fitting of the new cap, and silicone seal at the mount points. We photograph the condition of your crown before we start and show you what we found. The 90-Day Done Right Promise covers the installation in writing, no arguing. If it’s not right, we don’t leave until it is.
DIY or Call Us?
A homeowner can safely check whether their cap is loose by sight from the ground or with binoculars, and can note the model stamp if it’s legible. Do not climb the roof to measure or remove a chimney cap. The combination of steep pitches, metal edges, and the height involved makes this one of the more dangerous weekend projects we see attempted. We have responded to calls where a homeowner started the job and found themselves stranded on a wet roof with a stripped fastener.
Even if you reach the cap, getting the mount square and the seal tight requires working on a surface that slopes in two directions while handling stainless steel that will cut gloves. Our technicians carry the right brackets, sealants, and fall protection. Most Olympia Chimney cap installations take under 90 minutes and are done in a single visit. Call (845) 599-0930 and we’ll give you an upfront price before we book.
FAQs
In Rockland County’s climate, a quality stainless cap typically lasts 12 to 18 years, though the mesh screen may need attention sooner from freeze-thaw stress and salt air. We inspect the mesh and seam welds during every sweep and will tell you when replacement is approaching rather than let it fail. Call (845) 599-0930 for an exact quote on your cap, estimates are free.
Minor mesh damage can sometimes be spot-welded, but bent lids, separated seams, or rusted mounting legs mean replacement. We do not patch caps that will leak again within a season, it costs more in the long run and we will not warranty a repair on compromised metal. Call (845) 599-0930 for an exact quote, estimates are free.
Most Olympia Chimney cap replacements are completed in 60 to 90 minutes, assuming the crown and flue tile are sound. If crown repair is needed, we will tell you before we start and schedule accordingly. Call (845) 599-0930 to check availability.
We carry the most common sizes for New City flues, 8″ x 8″ through 13″ x 18″, in both single-flue and multi-flue configurations. Less common sizes or custom outside-mounts we order with a short lead time and install on arrival. Call (845) 599-0930 to confirm we have your size in stock.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving New City and nearby areas.





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