Answer a few questions to get a recommendation based on your fuel type and usage.
Tell us about your chimney use
Your recommendation
Interval: Annual inspection required
NFPA 211 requires an inspection at least once a year no matter what this calculator says
Usage classification
regular
Creosote risk flag
moderate
Verify with your local building code and the appliance manufacturer's manual before you build or buy.
CSIA recommends sweeping when soot buildup reaches 1/8" or if any glaze (creosote) is present.
NFPA 211 requires an inspection at least once a year no matter what this calculator says.