Creosote Removal in Seattle
Creosote is a tar-like residue left by wood smoke. It builds up on the inside of the flue and can ignite, which is why heavy buildup should be removed. We remove creosote from the flue, including hard, glazed deposits that a normal sweep cannot clear.
- WA L&I SEATTCP743MH
Signs to look for
- Shiny, black glaze on the flue
Hard, glossy creosote is the most difficult to remove and the most hazardous.
- Tar drips or a strong smoky odor
A heavy, sticky smell, especially in damp weather, points to buildup.
- Dark, flaky or popcorn-like deposits
These are earlier stages of creosote that should be cleaned before they harden.
- Many fires without a sweep
The more you burn, the faster creosote builds.
How we do it
- 1
Assess the buildup
We look at the flue to see how much creosote there is and how hard it is.
- 2
Choose the method
Soft deposits come off with brushes. Hardened creosote may need rotary tools or a treatment.
- 3
Remove the creosote
We clean the flue while keeping soot and debris out of your home.
- 4
Inspect the flue
We check the liner for damage and tell you if anything needs repair.
Before and after
Why it matters in Seattle
Seattle’s damp weather means wood often takes longer to dry, and wet wood burns cooler, leaving more creosote. That makes a yearly sweep especially worthwhile here.
Based on industry guidance: NFPA 211, CSIA.
Related services
Where we work
We serve Seattle and nearby neighborhoods. See the areas we serve.
Frequently asked questions
What are the stages of creosote?
Stage 1 is light, flaky soot that a brush removes. Stage 2 is shiny, hard flakes. Stage 3 is thick, glazed tar that is hard to remove and a serious fire risk.
Can I remove creosote myself?
Light soot can be brushed, but hardened creosote needs professional tools. A flue that looks dirty is worth a professional check.
How do I reduce creosote?
Burn dry, seasoned wood, give the fire enough air, and have the chimney swept every year.