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What Happens During a Chimney Cleaning Visit
A proper chimney cleaning is more than brushing out soot. It combines a look at the whole system, the sweep itself, and a conversation about what was found. Here is the usual sequence.
Cleaning and inspection go together
CSIA’s inspection procedures describe a Level 1 inspection as the recommended level for routine cleanings and annual inspections, and as part of every sweep. NFPA 211, as cited by CSIA, calls for chimneys, fireplaces and vents to be inspected at least once a year for soundness. So a cleaning visit is also a check on whether the chimney is fit to keep using. See how often to inspect and clean.
Step by step
- Talk first. The technician asks what you burn, how often, and whether you have noticed smoke, smells, noises or leaks. Tell them about anything unusual, even if it seems minor.
- Protect the room. Ask how the area around the hearth will be protected so soot stays out of the house. (See preparing your home for a chimney visit for what you can do beforehand.)
- Look at the fireplace or appliance. For a masonry fireplace, CSIA’s procedure covers loose or missing mortar and cracked firebrick in the firebox, whether the damper closes fully and opens enough, the smoke chamber, and the hearth. For stoves, the appliance, connector and thimble are checked.
- Shine a light up the flue. With the damper open, the technician checks for blockage and for deposits. CSIA’s procedure says buildup of about 1/8 inch or more calls for sweeping, and a sweep is recommended sooner if glazed (hard, shiny) creosote is present. Factory-built fireplaces should be swept at any appreciable buildup. See creosote buildup and cleaning.
- Sweep. Brushes and rods clean the flue, and the smoke chamber is included in a complete sweep. Offsets (bends) may call for a brush or a camera. Technicians listen for unusual sounds while sweeping that could indicate a break in the liner.
- Check the top. If the chimney is swept from the top, the crown, flashing and rain cap are examined. See crown vs cap vs chase cover.
- Look again. If the chimney was too dirty to evaluate the liner, CSIA says to sweep first and then assess. An optional camera inspection can be used, with photos of anything irregular. See chimney camera inspection.
- Explain what was found. CSIA’s procedure has the technician discuss findings with the client and provide a copy of the report. If a higher-level inspection is recommended and declined, that is noted.
If there are signs of a chimney fire: CSIA says the findings should be photographed before sweeping and a Level 2 inspection recommended. Tell the technician if you suspect one. See after a suspected chimney fire.
What cleaning cannot do
Cleaning removes deposits. It does not repair a cracked liner, failed mortar or a damaged crown. CSIA also states that chemical cleaners are not a replacement for mechanical cleaning and inspection. See cleaning logs vs professional cleaning. If the visit finds something that needs work, the report should say what and where, and you can decide on next steps; see how to read a chimney inspection report.
What to expect from us
At AM Chimney Sweep our work covers cleaning, inspection and repairs. Photos or a written report are available on request. We are a registered (NJ HIC #13VH14312300) and insured New Jersey home improvement contractor.
Frequently asked questions
Do I need to be home?
Usually someone needs to give access to the fireplace and to talk through the findings. Confirm when you book.
Will there be a mess?
Ask how the technician will contain soot. Clearing the area beforehand helps; see the preparation guide linked above.
Do I need a camera inspection every time?
Not necessarily. CSIA lists video inspection as optional at Level 1 and requires a video scan or similar at Level 2. Ask which level is right for your situation; see inspection levels.
I use gas. Do I still need a visit?
CSIA notes that gas furnace chimneys still need annual inspection, because nests or debris can block a flue.
Next step
Request a visit or call (862) 225-6529.
Sources
- CSIA: Level 1 Masonry Fireplace inspection procedure (firebox, damper, smoke chamber, 1/8 inch threshold, sweeping, documentation, report)
- CSIA: Level 1 Masonry Chimney inspection procedure (top examination, optional video, sweeping before liner evaluation, fire signs)
- CSIA: Homeowner Resources FAQ (NFPA 211 annual inspection; sweep thresholds; chemical cleaners; gas flue blockage)