Home › Service Areas › Maple Valley › Chimney Chase Cover Replacement
Chimney Chase Cover Replacement in Maple Valley, WA
Custom stainless chase covers for the sided-chase chimneys in Maple Valley's 1990s-2010s subdivisions. Starting at $299.
- Serving Maple Valley & King County
- Free 2nd-opinion quotes
- Price match + 10–25% discount
Free Chimney Chase Cover Replacement Quote in Maple Valley
We'll confirm a time by phone or text.
Most of Maple Valley was built after 1990, and most of those homes have a chase cover, not a crown. The subdivisions around Four Corners, Wilderness Village, the Summit, Elk Run and the plats off Witte Road and SE 240th were built with factory-built fireplaces inside wood-framed chases sided to match the house, each topped with a metal pan. The original pans were typically flat galvanized steel, and after decades of foothill winters under the fir canopy they rust at the collar and edges, sag and let water into the chase. Rust streaks down the siding are usually the first sign.
We measure the chase and fabricate a stainless steel cover to fit, cross-broken so water runs to the edges, with a tall collar, a storm collar at the pipe and a drip edge that carries runoff clear of the siding. Chase cover replacement starts at $299. The measuring visit is a free quote, we give a free second opinion on any other bid, and we match it and take 10-25% off. Maple Valley is about 25 minutes from our Renton office up SR 169, so the install is easy to schedule. If you are not happy, we are not done. Rotted framing is a chase rebuild, from $299; see chimney repair.
Symptoms
Signs Maple Valley 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
Maple Valley Conditions
Why this happens in Maple Valley
A chase cover in Maple Valley works harder than one in the valley cities because the trees hold the rain on it. Sea-Tac's normals show 40.34 inches of rain a year with about 29.65 inches falling October through March, and the second-growth fir and cedar over a typical Four Corners or Wilderness Village lot keeps the chase top shaded through that entire stretch. A flat galvanized cover holds a puddle all season, and standing water is where the pinholes start. Western Washington moss spreads fastest October through April on shaded, slow-drying surfaces, and moss along a cover seam wicks water straight into the chase.
Freezing does the rest. December, January and February lows average 37-38F, and about 60 days a year touch 32F, so water under a lifted seam or in a rust pocket freezes overnight and pries the seam open a little more each cycle. A stainless, cross-broken cover does not rust and does not hold water, so the wet season stops being the problem.
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 Maple Valley?
Call now or request a free quote — we confirm by phone or text.
☎ 206-453-2045 Request a QuoteQuestions
Chimney Chase Cover Replacement in Maple Valley — FAQ
How do I know whether my Maple Valley chimney needs a chase cover or a crown?
Look at the outside of the chimney. If it is wrapped in the same siding as the house, as nearly all homes in Four Corners, Wilderness Village and the Summit are, it has a metal chase cover, and a stainless replacement starts at $299. If it is brick all the way up, it has a crown, and a rebuild starts at $299. Either way the quote is free.
How many visits does a chase cover replacement take in Maple Valley?
Two. We measure the chase during the free quote, fabricate the stainless cover to fit, then return to install it, usually in under an hour. Maple Valley is about 25 minutes from our Renton office and we pair it with Covington stops, so the install visit is quick to schedule, often within a few days of measuring.
How soon can you do chimney chase cover replacement in Maple Valley?
We confirm a time by phone or text after you request a quote; same-day service is often available for urgent problems in Maple Valley and the rest of King County.
Other services in Maple Valley
Chimney Chase Cover Replacement nearby