Sanding is where a rough build starts to look finished. It is also where beginners rush and pay for it later, because every scratch shows up the moment you apply a finish. Here is how to sand wood the right way.
Work up through the grits
Sandpaper is graded by grit number: lower numbers are coarser, higher numbers are finer. Start coarse enough to remove marks and level the surface, then step up through finer grits to erase the scratches left by the previous one. Skipping grits leaves scratches you cannot easily undo.
- Coarse (80 to 100): flatten and remove mill marks or glue squeeze-out.
- Medium (120 to 150): smooth the surface and remove the coarse scratches.
- Fine (180 to 220): final smoothing before finishing. For most projects, stopping around 180 to 220 is plenty.
Always sand with the grain
Follow the direction of the wood fibers. Sanding across or against the grain leaves scratches that are nearly invisible on bare wood but jump out under oil or stain. Keep your strokes moving in the grain direction.
Use a block or a sander, not just your hand
A sanding block or a random-orbit sander keeps pressure even and the surface flat. Sanding freehand rounds over edges and creates dips. For flat surfaces, a block is enough for beginners; a random-orbit sander saves time on larger projects.
Clean off the dust between grits
Wipe or vacuum the dust off before moving to the next grit, so leftover coarse grit does not scratch the surface you just refined. A quick wipe with a slightly damp cloth at the end raises the grain and reveals any spots you missed.
Next steps
Sanding is one step in the full process. See the weekend beginner guide for the whole method, pick a build from the beginner project list, and when you want step-by-step plans, read our honest TedsWoodworking review.