A Hearthstone company - serving Gaithersburg, MD

Olympia Chimney Chimney Repair Nationwide

Every visit starts with

Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed

Worth knowing

Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.

Styles & brands we work with

Sweep & inspection
Sweep & inspection
Caps & crowns
Caps & crowns
Flue relining
Flue relining
Masonry repair
Masonry repair
Gas fireplace service
Gas fireplace service

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Olympia Chimney Chimney Repair in Gaithersburg: What to Know First

As an independent Olympia Chimney service provider in Gaithersburg, we repair Olympia Chimney liners, caps, and venting systems with OEM or quality aftermarket parts - most jobs completed in a single visit with upfront pricing agreed before we start. Typical turnaround from call to repair is a few days, not weeks. We do not mark up parts to pad the bill, and we do not recommend work you can see for yourself is unnecessary.

Call (301) 719-5236

This page is for homeowners in Gaithersburg, Kentlands, and surrounding Montgomery County who have an Olympia Chimney product installed and need straight talk about what’s failing, what it costs, and who can fix it right. If that’s you, call (301) 719-5236 - a live person answers, 24 hours a day.

How Olympia Chimney Products Fail - and How We Fix Them

  • Olympia Chimney 316Ti stainless liners: We see these in Gaithersburg split-levels from the 1970s and 80s. The titanium-stabilized alloy resists acid corrosion better than plain 304, but creosote buildup in the flex joints still causes pinhole leaks at the seam welds. We camera-inspect the full length, then either spot-repair with HeatShield cerfractory foam for minor breaches or pull a new DuraFlex 316Ti liner if the damage runs more than a foot.
  • Olympia Chimney smooth-wall round liners (6″ and 8″): The tight corrugation that gives these their excellent draft also traps moisture against the outer wall in Gaithersburg’s humid summers. We’ve pulled liners in the Kentlands area where the bottom three feet looked like shredded foil from freeze-thaw cycling. Our fix: remove the damaged section, verify the remaining liner is sound with a pull-through camera, and splice in a matching gauge replacement with a proper condensation collar.
  • Olympia Chimney top-sealing dampers: The cast-aluminum frames warp after a decade of Maryland temperature swings, especially on south-facing chimneys in neighborhoods like Old Towne. The damper won’t seat fully, and you’re heating the neighborhood. We measure the flue opening precisely - Olympia’s 13″ x 13″ is not actually 13″ x 13″ once the mortar has aged - and install a Gelco damper with a stainless frame that tolerates the expansion better.
  • Olympia Chimney wind-directional chimney caps: The rotating hood seizes when the brass bushing corrodes from Gaithersburg’s road salt and acid rain. A stuck cap spins in the wind, loosens the mounting screws, and eventually departs for your neighbor’s yard. We replace the bushing assembly where possible, or fit a new Famco or Copperfield cap with a sealed bearing design that doesn’t need annual lubrication.
  • Olympia Chimney firestop and support kits: The intumescent firestop foam in older kits degrades after 15-20 years and crumbles when disturbed. In Gaithersburg’s older colonials with balloon framing, this is a real hazard - fire can travel the wall cavity. We remove the old material completely, install new firestop to current ICC code, and document with photos for your insurance file.

Our Olympia Chimney Chimney Repair Process

  1. 1
    Call and schedule: A live person answers at (301) 719-5236, 24/7. We book a window that works for you - no four-hour waits, no “sometime Tuesday.”
  2. 2
    Level-2 camera inspection: Our technician arrives uniformed and background-checked. We run a camera the full flue length, photograph every defect, and explain what you’re looking at in plain English - no jargon, no scare tactics.
  3. 3
    Parts decision: If your repair needs a liner section, cap, or damper, we show you the exact Olympia Chimney part number and the quality aftermarket equivalent. You choose. We stock common sizes; special orders arrive in 2-3 business days.
  4. 4
    Repair and test: We complete most Olympia Chimney repairs in a single visit. After the fix, we run a smoke test or draft gauge check to verify proper draw and no leakage.
  5. 5
    Documentation and guarantee: You get photos, a written verdict, and our 90-Day Done Right Promise - in writing, no arguing. If it’s not right, we come back.
  6. 6
    Cleanup and close: We haul away old parts, lay down fresh drop cloths, and leave the work area cleaner than we found it.

What Olympia Chimney Chimney Repair Costs in Gaithersburg

Repair Type Typical Range What Moves the Price
Spot liner repair (HeatShield) $450 - $850 Height of chimney, number of breaches
Partial liner replacement (DuraFlex 316Ti) $1,200 - $2,400 Diameter, length, number of offsets
Damper replacement (Gelco top-sealing) $380 - $620 Flue size, access difficulty
Chimney cap replacement (Famco/Copperfield) $280 - $550 Size, material (galvanized vs. stainless vs. copper)
Firestop repair/replacement $340 - $680 Number of floors penetrated, framing type
Flash repair or reseal $320 - $740 Roof pitch, shingle type, extent of rot

These are real Gaithersburg numbers for Olympia Chimney systems in 2024-2025. Every estimate is free, itemized, and agreed before work starts. The number on the estimate is the number on the invoice. Call (301) 719-5236 for yours.

Why Gaithersburg Homeowners Call Hearthstone Chimney Co. for Olympia Chimney Work

We’ve worked chimneys across Gaithersburg for over 42 years, including a stretch of older colonials near Kentlands where the fireboxes tell you plenty about whether anybody ever looked after them. Russell Haines, our owner, has spent well over two decades in this trade and is known for spotting liner damage other sweeps walk past.

We back every Olympia Chimney repair with the 90-Day Done Right Promise - in writing, no arguing. Our technicians are background-checked, uniformed, and trained on Olympia Chimney’s specific failure patterns, not generic “chimney repair.” And because we also work with DuraFlex, HeatShield, and Gelco, we can offer options when an OEM part is backordered or overpriced. A square deal: no surprises on the bill. We’ll be there when we say. Photos you can see, a plain-English verdict.

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