How to remove paint from wood?
There are three routes: a chemical stripper, sanding, or heat. Which one fits depends on the piece — a chemical stripper is gentlest on detailed or veneered wood, sanding is fastest on flat sound timber, and heat is quickest on thick paint but the highest risk.
The three methods, and when each is right
A paste or gel chemical stripper is the safest choice on mouldings, carvings and anything you want to keep the shape of: it lifts paint without abrading the wood, and it reaches into detail a sander never will. Work in a ventilated space, follow the product's dwell time, and scrape with the grain.
Sanding suits flat, solid, sound wood where the paint is thin. It is the wrong tool on veneer, which is thin enough to sand straight through, and on anything intricate.
A heat gun softens thick paint fast, but it is the method to be most careful with. It can scorch the wood, it can crack glass in a nearby pane, and on anything built before 1978 it can vaporise lead — heat is specifically discouraged on lead paint because the fumes are worse than the dust. If the piece predates 1978, read the lead guidance before choosing any method, and never dry-scrape or heat old paint without it.
Whichever method you use, the goal is a clean, sound surface, not bare wood. A trace of well-bonded old paint in the grain is fine to prime over; gouges and scorch marks from over-aggressive removal are not.
How we sourced this
This answer is composed from our knowledge base, which holds only what a regulator, a standards body or a manufacturer supports. The sources behind it are listed below with the date we accessed each one. If a claim on this page has no source under it, that is a bug — tell us and we will fix it.
Where a figure is product-specific — coverage, dry time, recoat time, temperature limits — we point you at the manufacturer's technical data sheet rather than printing a general number as though it were a specification. That distinction is the most common error in this trade, and it is the one that costs people a repaint.
Common mistakes
- Sanding veneer, which is thin enough to go straight through into the substrate.
- Using a heat gun on pre-1978 paint, which vaporises lead — the one method specifically discouraged there.
- Chasing bare wood when a clean, well-bonded surface is all a primer needs.
- Dry-scraping old paint without checking the lead rules first.
Related questions
Sources
- Sherwin-Williams. Product technical data sheets (accessed 2026-08-17).
- US Environmental Protection Agency. Renovation, Repair and Painting Program (accessed 2026-08-17).
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