Project 02 · Removing the old finish
Strip or sand? The decision that saves the veneer
Published Aug 31, 2026 · 8 min read
The strip-or-sand decision costs nothing and saves whole afternoons — and, on veneer, the piece itself.
The most expensive mistake on this bench is not a bad finish — it is sanding through veneer on a piece that only needed stripping, or stripping a piece that only needed a light scuff and paint. The strip-or-sand decision costs nothing to make and saves whole afternoons, so it gets its own project. Here is how we decide, what each method really involves, and the safety rules that are not optional.
First, decide the destination
Everything depends on where the piece is going. Clear finish (wood showing) means the old finish has to come off completely and evenly — that is stripping territory, with sanding as a final smoothing step only. Paint means the old finish only needs to be sound, clean and dull — that is scuff-sanding territory, and stripping is wasted effort. Beginners often strip a piece they then paint, which is like washing a car before crushing it. Decide the destination, then choose the method.
When to strip
- Veneer with a clear finish planned. Veneer is thin; a sander eats through it in seconds at an edge. Stripper removes finish chemically without removing wood.
- Carvings, turnings and mouldings. Sandpaper flattens detail; stripper follows it.
- Thick, old, multi-layer finishes. Sanding five coats of varnish clogs paper every minute; stripper lifts them in one pass.
- Any painted piece from before the 1980s that tests positive for lead. Never dry-sand it. Chemical stripping (or wet methods) keeps dust out of the air — and this is the one case where leaving it painted and painting over is a perfectly respectable choice.
Stripper safety, stated plainly. Work outdoors or with real cross-ventilation, never in a closed room. Wear chemical-resistant gloves (nitrile, not latex), eye protection and long sleeves; keep the product off skin and away from children and pets. Read the label — products differ enormously between countries — and prefer the newer, low-odour formulas for indoor-adjacent work even though they are slower. Never mix products, and dispose of sludge and rags according to local rules, never down a drain.
How stripping actually goes
Brush the stripper on thick, in one direction, and leave it alone — most beginners scrape too early. Wait until the finish visibly wrinkles or goes gummy (the label gives a time; add a third), then scrape with a plastic scraper or a dull putty knife held nearly flat, pushing with the grain into a cardboard box. A second application on stubborn spots beats brute force every time. Clean the residue with whatever the label specifies (water for some formulas, mineral spirits for others), let the piece dry a full day, and only then sand lightly — 180 grit, by hand, with the grain — to smooth the raised fibres. That light sanding is the whole sanding job on a stripped piece.
When to sand
- Solid wood with a thin, worn finish and a clear finish planned. A random-orbit sander with 120 then 180 grit takes off a tired finish and the grey top layer together, leaving fresh wood.
- Anything being painted. A scuff with 220 grit, by hand or machine, is all paint needs: it dulls the surface so the primer grips. Ten minutes on a dresser.
- Flat tops with water rings and scratches. These live in the finish or the top fibres; sanding a solid top removes them outright.
How sanding actually goes
The rule that saves veneer and patience: let the machine's weight do the work. Pressing harder does not sand faster; it burns the paper, heats the finish into gum and gouges edges. Keep the sander moving, overlap passes by half, and stop at edges — sand edges by hand with a block. Change paper as soon as it stops cutting (sooner than you think). Wear a dust mask rated for fine particles and, if possible, a sander connected to a vacuum; dust is the part of this project that follows you into the house. Finish with 180 for paint-grade, 220 for clear finishes; going finer than 220 on wood actually hurts finish adhesion.
Questions from the bench
Can I use a heat gun instead of stripper?
For thick paint on solid wood, yes — it is fast and produces no chemical sludge. It is a poor choice on veneer (heat can lift the glue) and on old paint that may contain lead (heat releases fumes). Keep the gun moving, never let the wood scorch, and have water nearby; a heat gun is a fire tool as much as a paint tool.
How do I know the stripper got it all?
Wipe a small area with the recommended cleaner and let it dry; fully stripped wood looks uniformly dull and pale, with no shiny islands. Any glossy patch is leftover finish that will show as a blotch under your new one. Spot-treat those patches rather than redoing the whole surface.
The label says "biodegradable, safe." Do I still need the gloves and ventilation?
Yes. Gentler formulas are still chemical strippers; "safer" describes the comparison, not the absence of precautions. Gloves, eye protection and air movement are the baseline for any stripper on this bench, and they cost less than the piece.
Bare wood at last — now choose the finish that goes on it: wax, oil or poly.