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Chimney Chase Cover Replacement in Mountlake Terrace, WA
Rusted chase cover on a Mountlake Terrace townhome, condo or remodel addition? Custom cross-broken covers starting at $299. Free quote.
- Serving Mountlake Terrace & Snohomish County
- Free 2nd-opinion quotes
- Price match + 10–25% discount
Free Chimney Chase Cover Replacement Quote in Mountlake Terrace
We'll confirm a time by phone or text.
Mountlake Terrace is mostly post-war brick, but factory-built fireplaces in sided chases are common in two places: the townhome and condo developments around the Town Center on 56th Avenue W and along SR 104, and the family-room additions many rambler owners built in the 1980s and 1990s. Both rely on a flat steel cover on top of a wood-framed chase, and those covers are now old enough to rust at the seams and fastener holes, sag into a puddle around the flue, and streak the siding orange.
We measure the chase and fabricate a replacement in stainless or heavy galvanized steel, cross-broken so water sheds to the edges, with a tall flue collar and a drip edge to keep water off the siding. Chase covers start at $299 and the quote is free. If the framing has rotted, we show you and quote a chase rebuild starting at $299. For a townhome or condo row we measure all the chases in one visit and give the HOA one written quote. Mountlake Terrace is about 40 minutes from our Renton office, and common sizes can often be installed on the same trip. We price match written bids and take 10-25% off.
Symptoms
Signs Mountlake Terrace homeowners notice
- Rust-colored streaks down the siding below the top of the chimney
- Standing water or rust pooling on top of the chimney after rain
- Water dripping onto the fireplace or staining the ceiling beside it
- Soft, swollen, or peeling siding and trim near the top of the chase
- A cover that rattles or lifts at the edges in wind
- Visible rust holes or a sagging center in the metal lid
Mountlake Terrace Conditions
Why this happens in Mountlake Terrace
A flat chase cover in Mountlake Terrace holds water for most of the year. By the Sea-Tac 1991-2020 normals, measurable rain falls on roughly 150-156 days a year, the October-through-March season carries about 29.65 inches, and November alone averages 6.31. A cover with even a slight sag keeps a puddle around the flue collar through that whole stretch, and standing water is what eats through galvanized steel at the seams and screw holes.
Low additions have an extra problem: they sit below the main roof and under the trees. Regional roofing guidance is consistent that Western Washington moss spreads fastest October through April on north-facing or tree-shaded surfaces that dry slowly, and a one-story chase top on the shaded side of a rambler near Terrace Creek Park or Lake Ballinger collects needles and moss that block drainage, so the puddle lasts longer and the rust starts sooner. Once water reaches the framing it stays wet all winter, and that is where a cover job turns into a rebuild.
How It Works
Our chimney chase cover replacement process
Measure the chase
We measure the chase, the flue pipe diameter and position, and the skirt height so the new cover fits without gaps.
Fabricate the cover
The replacement is made from stainless steel or aluminum with a cross-break, raised collar, and a drip-edge skirt over the siding.
Remove the old cover
The rusted lid comes off and we inspect and dry out the top plate. Minor wood damage is addressed before the new cover goes on.
Set and fasten
The new cover is fastened through the skirt into the sides of the chase, never through the top, and the collar is sealed to the flue pipe with high-temperature sealant.
Cap and check
We reinstall or replace the flue cap, confirm the storm collar is sealed, and photograph the finished top for you.
Full details, options and pricing factors on the main Chimney Chase Cover Replacement page.
Need chimney chase cover replacement in Mountlake Terrace?
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Chimney Chase Cover Replacement in Mountlake Terrace — FAQ
Can you replace the chase covers for our whole townhome row in Mountlake Terrace?
Yes. The townhome and condo rows near the Town Center often have identical chases, and we measure every one in a single visit, fabricate matching covers, and give the HOA or property manager one written quote with photos. We schedule around residents and finish the row in as few trips as possible.
How can I tell if the chase cover on my rambler addition has failed?
Rust-colored streaks on the siding just under the top of the chase are the clearest sign. A stain on the addition's ceiling near the fireplace, a musty smell in that room, or soft, dark plywood visible at the top edge from the yard all point the same way. Any of those is worth a free quote; covers start at $299.
How soon can you do chimney chase cover replacement in Mountlake Terrace?
We confirm a time by phone or text after you request a quote; same-day service is often available for urgent problems in Mountlake Terrace and the rest of Snohomish County.
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