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 Cleaning & Sweep in San Mateo: What to Know First
We provide independent Olympia Chimney chimney cleaning and sweep services across San Mateo, with most jobs booked within a week and completed in a single visit. A standard Level 2 inspection and sweep for an Olympia Chimney system runs $289-$379, and we deliver a written price before any work starts. This page is for homeowners in San Mateo who need their Olympia Chimney flue liner, cap, or venting system inspected, cleaned, or repaired by technicians who know the product line. Call (650) 600-3117 for a free estimate.
How Olympia Chimney Products Fail - and How We Fix Them
- Olympia Chimney 316Ti stainless liners with premature weld-seam corrosion. The 316Ti alloy resists acid well, but we’ve found the longitudinal weld seams on early production runs (roughly 2012-2018) can develop pinhole leaks faster than the base metal in San Mateo’s marine air. Salt-laden fog accelerates the attack at the seam heat-affected zone. We camera-scan the full liner length, mark the leak points, and replace with a seamless DuraFlex 316Ti or upgrade to a higher-grade alloy if the appliance burns consistently low.
- Olympia Chimney Pro-Form flexible liners that lose shape in offset flues. The Pro-Form’s ribbed construction can sag or flatten in San Mateo’s older Baywood and Hillsdale homes where chimney offsets exceed 30 degrees. Once the ovality drops below 80%, draft suffers and creosote accumulates in the low spots. We re-round with a mandrel or replace with a stiffer DuraFlex Pro liner, then document the final shape with the camera.
- Olympia Chimney Gelco cap mesh that plugs with coastal debris. The standard 5/8-inch spark arrestor mesh on Gelco-branded caps (distributed through Olympia’s network) traps eucalyptus leaf litter and fog-borne salt crust, choking draft by mid-autumn. During every sweep, we remove the cap, measure mesh free area, and either clean and re-coat or swap to a 3/4-inch mesh if the appliance is gas and spark risk is minimal.
- Olympia Chimney HeatShield-compatible refractory panels with thermal shock cracking. Factory-built fireplaces using Olympia’s HeatShield refractory system can develop hairline cracks after thermal cycling, especially in San Mateo homes where homeowners burn on weekends only. The panels look intact from the firebox but fail the camera inspection at the smoke chamber transition. We map the cracks, quote HeatShield factory panels or a Cerfractory foam resurfacing, and never guess at panel integrity.
- Olympia Chimney Famco damper bodies that seize in salt air. The cast-aluminum Famco top-sealing dampers specified in some Olympia venting kits corrode at the pivot pin, leaving the damper stuck open (heat loss) or closed (smoke backup). We test actuation during every sweep, and if the pin is frozen, we quote a stainless replacement from the same buying network, not a generic hardware-store part that voids the remaining system warranty.
Our Olympia Chimney Chimney Cleaning & Sweep Process

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Call and schedule. A live person answers, checks availability in San Mateo or nearby, and notes your Olympia Chimney model if you have it. No forms, no callbacks.
- 2
Arrival and setup. Your tech texts when en route, arrives uniformed, and lays protection from the door to the hearth. License number is visible on request.
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Level 2 camera inspection. We run a chimney camera the full flue length, per NFPA 211. For Olympia Chimney systems, we pay particular attention to weld seams, flex-to-rigid transitions, and cap mesh condition. The camera doesn’t guess. Neither do we.
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Written price, written scope. Corrine Halstead reviews the footage with you, names what was found, and states what it costs to fix it. The price and warranty are in writing before anyone picks up a brush. Haven Standard Clause 1.
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Sweep and service. We remove creosote and soot with rotary brushes sized to your Olympia liner diameter, clean the smoke chamber, and service or replace components as quoted. All work is photographed.
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Documentation and close. You receive a photo record, written scope, and written warranty. Haven Standard Clause 4. The 365-Day Done Right Promise applies from this moment.
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AfterWhat Olympia Chimney Chimney Cleaning & Sweep Costs in San Mateo
| Service | Typical Range | What Moves the Price |
|---|---|---|
| Level 1 sweep and basic inspection | $189-$249 | Roof access difficulty, creosote class (I vs. III) |
| Level 2 inspection with camera scan | $289-$379 | Number of flues, liner length over 25 feet |
| Pro-Form liner re-rounding or section replacement | $450-$890 | Offset severity, whether cap removal is required |
| 316Ti weld-seam patch or liner replacement | $1,200-$2,800 | Liner diameter, appliance type (wood vs. gas), height |
| Gelco cap cleaning or mesh upgrade | $120-$340 | Cap size, stainless vs. galvanized original |
| Famco damper replacement | $380-$620 | Actuation type (cable vs. chain), remote compatibility |
These are real San Mateo prices for Olympia Chimney systems, not national estimates. A written quote is free and firm. Call (650) 600-3117.
Why San Mateo Homeowners Call Level Two Chimney San Mateo for Olympia Chimney Work

We’ve completed more than 38,000 chimney inspections and cleanings since 2009, every one with a written price before work started and a documented record when done. Our techs know Olympia Chimney’s product lines because we source materials through the same buying network, DuraFlex, HeatShield, Gelco, Famco, and Copperfield included. When an Olympia part is backordered, we can cross-reference to a quality equivalent and explain the trade-off in plain terms.
Our 365-Day Done Right Promise means if it’s not done right, we make it right. No charge, no argument. Free second opinion on any competitor’s written estimate. Background-checked, uniformed technicians. Live phone support 24/7. The Haven Standard was built for customers who read the three-star reviews before they call.
FAQs
No. As an independent Olympia Chimney service provider, we use OEM or OEM-equivalent parts sourced through the same distribution network, and we document every step. Manufacturer warranties cover product defects, not who sweeps the flue. Keep your photo record from Clause 4 if a claim ever arises.
Once per year for wood-burning appliances, per NFPA 211. In San Mateo’s marine climate, gas and pellet systems benefit from a biennial inspection to catch salt corrosion at caps and dampers before it spreads. Call (650) 600-3117 to book.
Most common items, Gelco caps and Famco dampers included, arrive within 3-5 business days through our buying network. Pro-Form and 316Ti liner sections sometimes take longer. If your sweep reveals an urgent issue, we’ll explain whether it can wait or needs immediate action, with camera evidence you can see.
Not always. A single pinhole in an accessible seam can sometimes be patched with a compatible stainless sleeve if the surrounding metal is sound. We camera-scan to determine if the damage is localized or systemic, then quote both options. The price comes after the evidence, not before.
Level 1 is a visual sweep and basic condition check, adequate for routine maintenance. Level 2 adds a chimney camera scan of the full flue interior, required at property sale, after chimney fire, or when switching appliance type. For Olympia Chimney systems with welded liners or offset flex runs, we recommend Level 2 at least every three years to catch seam and shape issues early. Call (650) 600-3117 for a free estimate.
Written by Corrine Halstead, Owner, Level Two Chimney San Mateo at Level Two Chimney San Mateo, serving San Mateo and nearby areas.





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