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Stucco Chases · Brick Chimneys · Caps & Flashing

Chimney Repair Calgary

Stucco chimney chases and brick chimneys

Most Calgary chimneys are stucco chases, and most chimney leaks start at the top: a rusted cap, failed flashing, a crack the water has been using for years. We repair stucco chases and brick chimneys: new metal caps, re-flashing, stucco stripped and rebuilt to match, brick repointed or rebuilt. 5-year written warranty, same-day written quotes for most Calgary addresses.

Stucco Chases· Metal Caps· Re-Flashing· Brick Repointing
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Licensed and insured WCB registered Crews with 20+ years 5-year written warranty
Diagnosis First

Why Calgary Chimneys Fail

A chimney takes weather from every side, all year, with no roof over it. In this climate three things go first, and they are the same three on a stucco chase and a brick stack.

The Cap And Flashing

The metal cap rusts through or its seams open, the flashing where the chimney meets the roof pulls away, and water runs straight down inside the chase or the stack. Nearly every chimney leak we see started here.

Freeze-Thaw

Water that gets into stucco or brick freezes and expands. On a chase it cracks and delaminates the stucco; on a brick chimney it pops the faces off the brick and grinds the mortar joints out from the top down.

Stains And Streaks

Rust streaks below the cap, white efflorescence on brick, dark stains running down a stucco chase. They are the first thing you see from the driveway, and by the time they show the sheathing behind is usually wet.

Most Of What We Do

Stucco Chimney Chase Repair

A stucco chimney is a wood-framed box: framing, sheathing, housewrap, then stucco, with a metal cap on top and a furnace or fireplace flue running up inside. Water that gets past the cap has nowhere to go but into the sheathing, and the stucco hides the damage until it starts cracking and letting go.

We strip the failed stucco back to sound material, replace any sheathing that has gone soft, wrap the chase in new housewrap with flashing tied into the roof, fit a new metal cap with a proper drip edge, then rebuild the stucco with mesh and base coat and a finish matched to the rest of the house. On EIFS homes where woodpeckers have been at the chase, we finish it in ADEX Graphex so they stop.

The whole job usually runs two to four days on the roof, in the same season window as any other stucco: above 5°C for the cure.

Calgary stucco chimney chase finished and colour-matched to the house The same Calgary stucco chimney chase stripped to the housewrap before new stucco

Stucco Chimney Chase

Stripped to the housewrap, re-flashed, new cap, rebuilt and matched to the wall. Drag to compare.

Brick And Block

Brick Chimney Repair

Brick chimneys fail from the top: the cap and flashing let water in, the top courses take the freeze-thaw, and the joints go sandy and the brick faces spall. We repoint above the roofline with mortar matched to the original in colour and strength, cut out and replace spalled brick, and where the top has gone too far we take it down to sound courses and rebuild it.

Every brick repair finishes with a new metal cap and flashing so the water that caused the problem has somewhere else to go. We do the masonry and the stucco. Flue cleaning, liners and WETT inspections are a different trade, and we will point you to a certified sweep for those.

Brick chimney being rebuilt on a Calgary roof, new courses going up over the wrapped base
Rebuild in progress: top section relaid course by course.
Looking down the flue of a Calgary brick chimney during repair, loose mortar and soot on the inside faces
Inside the flue during the repair: what a failed cap lets happen.
Recent Work

Recent Chimney Work In Calgary

Stucco chases, brick and block chimneys, all our own jobs.

Rebuilt brick chimney on a Calgary home with a new metal cap
Brick chimney rebuilt, new metal cap on
Finished stucco chimney chase on a Calgary home, colour-matched to the house
Stucco chimney chase rebuilt and matched to the house
Stucco chimney chase on a tile roof in Calgary, new metal cap on and the stucco being patched and painted
Stucco chase on a tile roof: new cap on, patched and painted
Stucco chimney chase on a Calgary home after repair, new cap and finish matched to the house
Stucco chimney chase after repair, finish matched to the house
Stucco chimney on a Calgary roof with its new metal cap on, about to be patched and painted
New metal cap on, chimney about to be patched and painted
Red brick chimney on the CIBC building in Calgary being repointed, joints raked and refilled
Heritage brick chimney repointing in progress, CIBC building
How It Runs

From The Roof To A Dry Chimney

  1. 01

    Assess from the roof

    We go up, not just look up: the cap, the flashing, the seams, a tap on the stucco or the joints, and a check on whether the sheathing or the top courses are wet.

  2. 02

    Written quote

    What is failing, what we will strip, replace and rebuild, and the price. Same day for most Calgary addresses.

  3. 03

    Strip and dry

    Failed stucco or loose brick comes off. Wet sheathing is replaced. Nothing gets covered over.

  4. 04

    Cap and flash

    A new metal cap with a drip edge, and flashing tied into the roof, so the water that caused the failure is dealt with before the finish goes on.

  5. 05

    Finish and match

    Mesh, base coat and a matched finish on a stucco chase; repointed or rebuilt courses on brick. Then we clean the roof and walk it with you, warranty in writing.

Chimney season in Calgary runs August to November: warm enough to cure, done before freeze-up. If the cap rusted through or the stucco cracked last winter, this is the window.

CHIMNEY REPAIR FAQ

What Calgary homeowners ask first.

From the ground: rust streaks below the cap, dark stains running down a stucco chase, white efflorescence on brick, cracked or loose stucco, or brick faces popping off. From inside: water stains on the ceiling or wall beside the chimney. Any one of those means the cap or flashing has let water in, and it gets worse every winter it is left.

Yes, and it is most of our chimney work. Failed stucco is stripped, wet sheathing replaced, the chase wrapped and flashed, a new metal cap fitted, and the stucco rebuilt with mesh and base coat and a finish matched to the house.

Yes. A new metal cap with a drip edge and re-flashing into the roof is part of almost every chimney repair we do, on stucco chases and brick chimneys alike. We do not pour concrete crowns.

Yes. When the top courses have gone too far for repointing we take them down to sound brick and relay them with matched brick and mortar, then cap and flash. The rest of the stack stays.

No. Flue cleaning, liners and WETT inspections are a certified sweep's trade. We do the stucco and the masonry, and we will point you to a sweep for the inside.

August to November. Stucco and mortar need warm days to cure, and a sealed chimney going into winter is the point of the job. If you noticed the problem last winter, book the assessment in late summer.

Yes. Our crews carry fall protection tickets and work from the roof, on tile, shingle and metal. Where a roof is too steep or fragile we set up from a lift or scaffold instead.

Every chimney repair carries our 5-year written workmanship warranty, in writing with the quote. A chase finished in ADEX Graphex also carries the 10-year manufacturer-backed warranty on the coating.

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