Long-term smoking inside a property leaves a resinous, water-soluble residue on ceilings and walls that ordinary emulsion does not seal. Paint straight over it and the staining, along with the smell in some cases, reappears through the new coat within weeks, particularly on ceilings where the residue is heaviest.
Standard water-based emulsion is itself water-soluble to a degree during application, so it can actually reactivate and pull nicotine residue up through the wet film rather than sealing it in, leaving the familiar yellow-brown patches visible once dry.
Where residue is heavy we clean the surface first to remove loose deposits and grease, since sealing over a genuinely dirty surface reduces how well the sealer itself can key and perform.
A dedicated stain-blocking sealer, solvent-based or a specialist water-based formulation depending on the severity, is applied as a distinct step before the finish coats, creating a barrier the residue cannot migrate through even once the emulsion goes on.
Sealing the residue helps considerably, but persistent odour in soft furnishings or carpets is outside what redecoration alone can resolve.
It sometimes reduces visible staining but rarely eliminates it reliably, and it is a more expensive route than a single proper sealing coat done correctly.
Yes, though ceilings usually carry the heaviest residue since smoke rises and settles there most, so they often need the most thorough sealing.
Let us know which rooms were most affected and we will specify the sealing approach for each.
Nicotine staining needs a proper sealing coat before redecoration — ordinary emulsion alone tends to pull the residue straight back through.
Speak to a Hampshire commercial decorating contractor that turns up, communicates clearly and delivers a finish that lasts.
