A Hearthstone company - serving Manassas, VA

Olympia Chimney Chimney Cap & Crown 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 Cap & Crown in Manassas: What to Know First

We provide independent Olympia Chimney chimney cap and crown service in Manassas, and most jobs are completed in a single visit with no-hassle upfront pricing. A standard Olympia Chimney cap replacement runs $280-$520; crown repair or coating typically falls between $340-$780 depending on accessibility and flue count. We do not upsell what the chimney does not need - our Level-2 camera inspection ends with photos you can see and a plain-English verdict, so you know exactly what you’re paying for before we start.

Call (571) 586-0593

This page is for Olympia Chimney owners in Manassas, Bristow, and the surrounding Prince William County area who need cap or crown work done correctly the first time. If you’re seeing rust streaks, water stains on the ceiling near your fireplace, or a cap that has pulled loose after a storm, call (571) 586-0593. A live person answers 24 hours a day.

How Olympia Chimney Products Fail - and How We Fix Them

  • Olympia Chimney Gelco-style single-flue caps - fastener fatigue in Manassas wind. The 304 stainless steel mesh on Gelco-line caps holds up fine, but the tension-band or screw-down fasteners that secure them to the flue tile often back out after three to five years of thermal cycling and the gusts that come off the Bull Run Mountains. We see this regularly in the older ranch homes off Sudley Road. We replace the band with a heavier-gauge stainless strap or upgrade to a Gelco cap with the factory J-bolt anchoring system, whichever the flue condition warrants.
  • Olympia Chimney multi-flue caps - crown wash erosion underneath. The Olympia Chimney multi-flue caps we install on larger homes near the Manassas National Battlefield Park sit on concrete crowns that were often poured in the 1970s or 1980s with too little Portland cement in the mix. The cap itself is sound, but the crown beneath it spalls and channels water straight to the flue joints. We pull the cap, repair or recast the crown with a proper slope and drip edge, then reinstall the cap with fresh stainless hardware.
  • Olympia Chimney outside-mount caps - flue liner gap exposure. Outside-mount caps on Olympia Chimney systems are designed to cover the entire chimney top, but the mounting brackets can settle or corrode where they meet the flue tile, leaving a gap that admits rain and nesting birds. In Manassas, where we get driving rain from the southeast off the Potomac, that gap fills the smoke chamber with water inside of two seasons. We fabricate a custom transition piece or replace the cap with a properly sized Olympia Chimney model that seats flush.
  • Olympia Chimney crown coating failures - wrong product or wrong prep. Olympia Chimney crowns coated with generic elastomeric from the hardware store often crack again within eighteen months. The product was not formulated for the 1,200-degree temperature swings a crown sees in a Virginia winter. We use HeatShield CrownCoat or a Portland-based crown repair mix, depending on whether the crown has structural integrity or needs rebuilding. Either way, we grind back to sound concrete first. No shortcuts.
  • Olympia Chimney chase covers on factory-built fireplaces - corner rust-through. The galvanized or aluminum chase covers that came with many Olympia Chimney factory-built units in the 1990s and 2000s rust at the corners first, right where the water pools. We’ve replaced dozens of these in the townhouse developments off Liberia Avenue. We upgrade to a stainless steel or copper chase cover with cross-breaks to shed water, fabricated to the exact dimensions of the chase.

Our Olympia Chimney Chimney Cap & Crown Process

  1. 1
    Call and schedule. A live person answers, day or night. We book a two-hour arrival window that we honor. No callback queues, no apps.
  2. 2
    Level-2 camera inspection. Our technician runs a camera up the flue and photographs the crown, cap, and top flue joints from inside and out. You see the photos on a tablet before any work is discussed.
  3. 3
    Plain-English verdict and upfront pricing. Russell Haines or one of our background-checked, uniformed technicians explains what the chimney needs, what can wait, and what it costs. The number on the estimate is the number on the invoice.
  4. 4
    Parts decision: OEM Olympia Chimney or quality aftermarket. We stock Olympia Chimney caps and crowns, and we also work with Gelco, Famco, and Copperfield when the job calls for a different specification. We explain the trade-off - warranty coverage, gauge of metal, mesh size - and let you decide.
  5. 5
    The repair, done right. Most cap and crown jobs are completed in a single visit. We use professional-grade materials, proper slope on crowns, stainless fasteners on caps, and we test the draft before we leave.
  6. 6
    Cleanup, documentation, and guarantee. You receive photos of the completed work and a written invoice. Everything is covered by our 90-Day Done Right Promise - in writing, no arguing. If it’s not right, we come back.

What Olympia Chimney Chimney Cap & Crown Costs in Manassas

Service Typical Range What Moves the Price
Single-flue cap replacement (Olympia Chimney or equivalent) $280 - $420 Flue tile condition, height of roof, mesh gauge
Multi-flue cap replacement $380 - $520 Width of chimney top, number of flues, custom fabrication
Crown repair with coating (HeatShield or Portland mix) $340 - $580 Extent of spalling, number of cracks, accessibility
Crown rebuild and recast $580 - $780 Size of crown, need for formwork, liner protection during pour
Chase cover replacement (factory-built fireplace) $420 - $680 Material (stainless vs. copper), chase dimensions, collar height

These are Manassas-market prices for Olympia Chimney-compatible work using professional-grade materials. We do not quote over the phone for crown rebuilds - the condition of the concrete has to be seen. Call (571) 586-0593 for a free estimate. We’ll be there when we say.

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

We’ve been answering the phone with a live person for over 42 years, and we plan to be in Manassas in thirty more. That changes how you treat a customer.

Our 90-Day Done Right Promise means if the cap leaks or the crown cracks through no fault of yours, we come back. In writing, no arguing. Our technicians are background-checked, uniformed, and trained on Olympia Chimney systems specifically - they know the difference between a Gelco-line fastener issue and a crown failure, and they won’t sell you a full rebuild when a coating will do. We also carry DuraFlex, HeatShield, and Gelco materials, so if your Olympia Chimney component has been discontinued or a different specification suits your flue better, we have options without sending you to another contractor.

Russell Haines has spent the better part of two decades cleaning and inspecting chimneys across Northern Virginia, including older homes near the Manassas National Battlefield Park where the fireplaces are original to the house and the creosote buildup tells the whole story. If the flue is clear and the mortar is solid, he’ll tell you that. If it isn’t, he’ll tell you that too.

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