Start with the material
Read down until a line matches what you found.
- IfThe material is soft, soaked and cheap to replace, such as a cushion or a mattressThenRemove it. Cleaning rarely reaches the core.
- IfThe surface is hard and non-porous, such as tile, metal or sealed countertopsThenClean it. Residue sits on top and comes off.
- IfThe surface is porous but sound, such as raw wood or drywall with filmThenClean first, then seal once it is dry.
- IfThe smell is in the air or in gaps that hand cleaning cannot reachThenConsider a treatment after the sources are out.
- IfYou cannot tell whether the smell is in the material or the buildingThenRemove a test section, such as a corner of carpet or a bit of baseboard, and look.
Examples by material
| Material | Usual first action | Why |
|---|---|---|
| Carpet cushion | Remove | Absorbs liquid and releases smell for a long time |
| Carpet face fibers | Clean | Extraction can remove surface residue |
| Raw plywood subfloor | Clean, dry, then seal | Wood holds smell but can usually be saved |
| Painted drywall with smoke film | Clean, then prime and paint | Washing prepares the surface for sealing |
| Ductwork with visible dust | Inspect, then clean if warranted | Residue can recirculate through the house |
| Spoiled refrigerator interior | Clean, then replace if smell persists | Plastic liners can absorb spoilage |
Why this order saves money
The most common mistake in a turnover is going straight to treatment. A fog or a gas can only work on what it contacts, and it cannot overcome a source that is still giving off smell. Removing or cleaning first makes any later treatment cheaper in time and more likely to hold.
Sealing deserves caution too. It is a good finishing step on a clean surface, and a poor substitute for cleaning one. Sealer over film tends to peel or let stain bleed through, which turns a small job into a redo.
If a decision is close, lean toward the action that takes the source out of the building. That choice is hardest to regret.
When two actions both seem reasonable, test on a small area. Remove a small section, clean a hidden patch, or seal a trial spot and compare the result after drying. Small tests are cheap in time and give evidence for the larger decision.
Record the decision
- List each source and the action chosen.
- Note who will carry it out and the planned date.
- Photograph the source before and after the action.
- Plan a recheck for at least a day after the work is finished.
General information for Aurora, not a quote or professional advice. In an emergency, call 911.