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 & Crown in Santa Clara: What to Know First
We provide independent Olympia Chimney chimney cap and crown service in Santa Clara, from cap replacement on the OLY-SS series to full crown rebuilds on older OLY-MS multi-flue systems. Most Olympia Chimney jobs run one to two days once we have parts in hand, and every job starts with a written price before any work begins - no exceptions, no surprises. This page is for Santa Clara homeowners who already know they have an Olympia Chimney cap or crown showing rust streaks, mortar gaps, or water staining inside the firebox, and want a technician who understands the brand’s fastener spacing and drip-edge geometry without learning on your roof. Call (650) 229-6358 to book a camera inspection and written estimate.
How Olympia Chimney Products Fail - and How We Fix Them
- OLY-SS single-flue caps: 304 stainless hood separation at the weld seam. The OLY-SS uses a stamped hood with a single continuous weld around the skirt. In Santa Clara’s marine-influenced climate, that weld sees more thermal cycling than inland installs, and after six to eight years the seam opens enough to let driven rain through. We don’t caulk over it - we source a replacement hood or, if the mesh is still sound, fabricate a proper lap joint with stainless rivets that outlasts the original seam.
- OLY-MS multi-flue caps: center support bar sag on spans over 30 inches. The OLY-MS ships with a standard 14-gauge support bar that works fine for two flues but deflects on wider Santa Clara ranch-style chimneys with three or more flues. The symptom is a low spot where water pools, then rusts through the mesh. We spec an upgraded 11-gauge bar or a custom-fabricated peaked cap from our Haven buying network, depending on what the camera shows below.
- OLY-RC round chimney caps: mesh corrosion at the salt-air line. Santa Clara’s position downwind of the Bay means chloride exposure even miles inland. The OLY-RC’s standard mesh is 18-gauge 304 stainless, which holds up fine above the roofline but corrodes faster where morning fog lingers. We see this on homes near the Guadalupe River corridor and in Rivermark. Our fix is a 316-grade mesh upgrade or a Gelco equivalent with better salt resistance - we stock both through our Haven materials network.
- Olympia Chimney concrete crowns: spalling at the overhang edge. Olympia Chimney doesn’t manufacture crowns, but their spec sheets call for a two-inch overhang minimum that Santa Clara masons often skimp to one inch during original construction. The result is water wicking up the crown underside, freeze-thaw damage in our occasional hard freezes, and spalling that exposes the chimney top. We cut back to sound concrete, pour a new crown with proper drip edge and flash-seal integration, and document the before-and-after under Haven Standard Clause 4.
- OLY-SS and OLY-MS: fastener-slot elongation from thermal expansion. Olympia Chimney’s slotted mounting brackets are designed for adjustment, but in Santa Clara’s sun-exposed south-facing roofs the daily expansion cycle gradually elongates the slots until the cap loosens. A loose cap shifts in wind, opens gaps, and eventually tears off in a winter storm. We replace worn brackets with solid-mount leg kits or, on older flue tiles, install a new base ring with through-bolt anchors - whatever the flue condition allows, confirmed by camera before we quote.
Our Olympia Chimney Chimney Cap & Crown Process

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Camera inspection first. We run a Level 2 camera scan down the flue before touching the cap or crown. Water damage from a failed cap often hides liner degradation below, and Clause 4 of the Haven Standard requires we document what we find. Corrine Halstead reviews the footage with you picture by picture - “The camera doesn’t soften what it finds - and neither do I.”
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Written price, written scope. You get a single-page quote with line-item costs for parts and labor, the warranty terms, and what happens if we find additional damage once work starts. No work begins until you approve in writing.
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Parts decision: OEM or quality equivalent. For current Olympia Chimney models, we source factory caps through our Haven buying network. For discontinued lines - the pre-2015 OLY-CL series, for example - we fabricate from Copperfield stainless or spec a Gelco match with equivalent mesh gauge and drip-edge projection. You see the part before it goes up.
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Installation with real-time documentation. Our tech photographs each stage: old cap removal, crown surface prep, new cap seating, fastener torque, and water-test results. These go into your job record, not our marketing folder.
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Final camera verification and cleanup. We re-scan the flue interior to confirm no debris fell during cap work, test draft with a manometer, and leave the work area cleaner than we found it.
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365-Day Done Right Promise activation. Your written warranty and photo record are stamped and delivered before we leave. If anything’s not right, we make it right.
Before
AfterWhat Olympia Chimney Chimney Cap & Crown Costs in Santa Clara
| Service | Typical Range | What Moves the Price |
|---|---|---|
| OLY-SS single-flue cap replacement | $340 - $580 | Flue tile condition, bracket reuse vs. new base ring, mesh grade |
| OLY-MS multi-flue cap replacement | $520 - $890 | Span width, support bar upgrade, number of flues |
| OLY-RC round cap with 316 mesh upgrade | $380 - $620 | Flue diameter, spark arrestor requirement, salt-corrosion extent |
| Crown repair (partial, under 25% area) | $480 - $760 | Depth of spalling, rebar exposure, need for bonding agent |
| Crown rebuild (full pour) | $1,400 - $2,200 | Chimney top dimensions, access difficulty, flashing integration |
| Crown coating (HeatShield or equivalent) | $680 - $1,100 | Crown condition, number of cracks, need for primer |
These are Santa Clara market ranges for Olympia Chimney-compatible work, not low-ball come-ons. Your actual price depends on what the camera finds. We don’t adjust upward without showing you the new finding and getting written approval. Call (650) 229-6358 for a free estimate - estimates include the camera scan and written quote, no charge either way.
Why Santa Clara Homeowners Call Level Two Chimney Santa Clara for Olympia Chimney Work

We’ve inspected and cleaned more than 38,000 chimneys since 2009, and a growing share in Santa Clara runs Olympia Chimney hardware - especially in the Northside neighborhoods near Santa Clara University where 1990s-era gas-to-wood conversions left odd flue sizes that Olympia’s adjustable lines fit well. Corrine Halstead and her crew know the difference between an OLY-SS bracket slot that’s worn and one that’s still serviceable, which saves homeowners from unnecessary base-ring replacements. When Olympia parts are backordered, we pull from our Haven network of DuraFlex, HeatShield, Gelco, and Copperfield equivalents rather than leaving you exposed through a rainy season. Every technician is background-checked, uniformed, and licensed; you get a text when they’re en route and a named tech on the job, not a rotating subcontractor. The 365-Day Done Right Promise applies to every cap and crown we touch.
FAQs
It can, if the cap alters draft characteristics or mesh sizing in a way that causes a listed system to overheat. As an independent Olympia Chimney service provider, we verify your unit’s listing status before spec’ing any equivalent part, and we document that verification in your written scope. If your system is still under manufacturer warranty, we’ll show you the OEM option and the equivalent side by side so you decide. Call (650) 229-6358 to check your unit’s status.
Expect six to ten years for standard 304-grade mesh, and twelve to fifteen for 316-grade or copper in our coastal-influenced climate. The difference is usually the salt exposure along the Guadalupe River corridor and in Rivermark, where we see standard mesh fail at the low end of that range. We note your home’s exposure in the job record and recommend accordingly. Call (650) 229-6358 and we’ll assess your specific cap’s condition.
We repair when the damage is under 25 percent of the crown surface and no rebar is exposed. Heat Crown coating works well for hairline cracking if the crown still sheds water. Once spalling reaches the reinforcing mesh or the crown has lost its slope, partial repair is false economy - water gets behind the patch within two winters. We show you the camera evidence and quote both paths when both are viable. Call (650) 229-6358 for a free assessment.
Current OLY-SS and OLY-MS lines typically ship to our Santa Clara warehouse within three to five business days. Discontinued series require fabrication or equivalent substitution, which adds two to four days. We don’t book the install until parts are in hand - no “we’ll figure it out on the day” scheduling. If your cap is leaking now, we can install a temporary weather shield while we wait. Call (650) 229-6358 to check current lead times.
Not always. The camera tells us. Water staining on a clay flue tile is often surface-only; water pooling at a liner joint or rust on a stainless liner is more serious. We separate cap-and-crown work from liner work in our quotes - you won’t be sold a liner you don’t need. If the liner is damaged, we show you the camera frame and explain why, with a separate written price. Call (650) 229-6358 and we’ll run the scan.
Written by Corrine Halstead, Owner, Level Two Chimney Santa Clara at Level Two Chimney Santa Clara, serving Santa Clara and nearby areas.





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