How to Remove Heavy Smoke Odors
The characteristic of heavy smoke odor are:
- Soot residue appears on horizontal as well as vertical surfaces
- Cleaning and redecorating of the area where the fire took place and surrounding areas will be required
- Structural damage will be visible
- Soot damage will be found outside the room in which the fire took place
- A high probability of HVAC contamination
- Soot will be deposited over a wide area
- Remove the source of the odor if possible.
- If an investigation needs to be completed, cover the source with plastic to limit further off gassing of odor-causing vapors.
- Do one of the following:
- Exhaust air outside using air movers.
- Place HEPA air scrubbers with carbon filters into area to start absorbing odors while work is ongoing. If your air scrubber does not have a carbon/charcoal filter available, do one of the following:
- Place a hydroxyl generator in the area to start controlling odors.
- Use OdorX Crystal Odor Counteractant (C.O.C.) placed on the pre-filters of your air scrubber.
- Place a FreshWave IAQ Gel in front of an air mover.
- Prepare deodorizing polymer pre-sealer as follows and apply to all charred areas and attic spaces as needed
- Five-Gallon Bucket
- One Gallon of UnSoot # 1
- One qt (32 oz) of OdorX 9-D-9
- Five oz of OdorX Last Resort
- Add ingredients 2, 3, and 4 to the 5-gallon bucket and fill the rest of the bucket with water.
Each gallon will cover about 500 square feet of surface area.
- Remove all attic insulation.
- Have ducts professionally cleaned and sealed.
- Clean or remove and replace all horizontal and vertical surfaces.
- Thermal fog the area, for most heavy fires Thermo-55 Cherry is recommended.
- Seal all areas that were not replaced with a shellac-based primer.
Note: This procedure guide is just for the odor removal, not the cleaning of the area.