Can you just paint over smoke damage?
You should not just paint over smoke damage. Regular paint does not seal in soot or smoke odour, and stains tend to bleed through. Walls first need soot removed with the right cleaning, then a stain-blocking sealer, and only then finish paint. Skipping those steps wastes the paint and leaves the smell.
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What goes wrong when you paint first
Soot and smoke residue sit on the surface and in the pores of the wall. Paint applied over them traps the dirt, bonds poorly and often turns yellow or brown within weeks as the residue leaches through. The odour carries on too, because it is in the material and not just on the face.
On top of that, the paint film itself may blister or peel where residue stops it from sticking. The result is a second job: removing the failed paint, cleaning and starting again.
The right order of work
- Dry cleaning.Loose soot is lifted with specialised sponges and vacuums before any liquid touches the wall.
- Wet cleaning.Residue is washed with cleaners chosen for the type of soot and the surface.
- Odour treatment.Deodorising of the surfaces and the air, and the cavities where needed.
- Sealing.A stain-blocking sealer locks in what cannot be removed.
- Painting.Finish coats go on once the base is clean, sealed and dry.
When walls need more than cleaning
Where drywall is badly stained, soaked from firefighting water or charred, it is replaced instead of cleaned. Insulation in a smoke-filled wall is often replaced too. We scope this at the assessment, and the rebuild includes taping, priming and painting so the room is finished by the same team. Our fire damage restoration page describes how the stages follow each other.
Things not to do
- Do not use household cleaners on sooted walls before it has been assessed
- Do not scrub, because it grinds soot into the surface
- Do not use scented sprays to mask smoke smell
- Do not paint or wallpaper over residue
- Do not run the furnace or fans until the system has been checked
What a finished room should look and smell like
After proper work, a room should smell like a room, not like smoke, and the walls should have an even finish with no yellow or brown ghosting. If you notice the smell return on warm days or after humid weather, residue was left behind. We stand behind the work by checking before we close up, and by using the right primer under the finish.
Related questions
Is primer enough?
Only after the walls are cleaned, and it should be a stain-blocking type.
Can you also do the painting?
Yes. We rebuild and finish the room.
Does the assessment cost anything?
No. It is free, and you get a written scope and price.
Request a quote
Tell us what you need and we will get back to you. In a hurry? Calling is fastest.
Call about smoke stains
Call us day or night. The assessment is free, and you get a written scope and price before work begins.
Call now (416) 272-3881