What grit for bare wood before stain

For most bare wood, sand to 180 grit before staining, then use 220 grit if you want a smoother surface and the stain manufacturer allows it. Avoid jumping straight to a very fine grit when the wood still has scratches or uneven areas; finer paper can polish the surface without removing the deeper marks.

The right stopping point depends on the wood species, the stain, and how much texture you want the finished piece to retain.

Recommended grit sequence

Use the coarsest grit that removes the existing defects, then move through progressively finer grits:

• 80 grit: Removes heavy scratches, old finish, glue, paint residue, or significant unevenness. Use cautiously because it can leave deep scratches.
• 100 or 120 grit: Levels rough boards, mill marks, and moderate surface defects.
• 150 grit: A useful intermediate step for many furniture and woodworking projects.
• 180 grit: A reliable final grit for many softwoods and hardwoods before stain.
• 220 grit: Produces a smoother surface and is often suitable as the final pass, especially on hardwood furniture.

Do not skip too many grit steps. For example, if you begin with 80 grit, moving directly to 220 grit may leave scratches that the finer paper cannot efficiently remove.

When to stop at 180 grit

Stop at 180 grit when you want the wood to absorb stain readily or when the surface is already smooth and even. This is often a good choice for:

• Pine and other softwoods
• Large wood surfaces where a natural texture is desirable
• Projects using penetrating stains
• Surfaces that may be prone to blotching

Always remove the dust and inspect the wood under strong, angled light before staining. If you can still see sanding scratches, continue with the appropriate intermediate grit rather than simply applying stain.

When 220 grit makes sense

Use 220 grit as the final pass when the wood is already flat and you want a smoother feel. It can be useful for:

• Hardwood furniture
• Cabinet parts and trim
• Small projects that will be touched frequently
• Surfaces that will receive a thin, even stain coat

On some softwoods, sanding too finely can partially close or polish the surface. That may reduce stain absorption and make the color lighter or less even. If the stain label specifies a final grit, follow that guidance over a general rule.

Adjust the grit for the wood's condition

New, smooth boards

Start around 120 or 150 grit, then finish at 180 or 220 grit. There is usually no reason to begin with 80 grit unless the boards have substantial defects.

Rough-sawn or uneven wood

Begin with 80 or 100 grit, depending on how rough the surface is. Once the surface is level, progress through 120, 150, and 180 grit. Check frequently so you do not remove more material than necessary.

Previously finished wood

If the old finish is still present, sanding alone may not be the best removal method. Follow the finish manufacturer's guidance for stripping or removal, then sand the exposed wood to eliminate residue and scratches. Do not stain over remaining finish unless the product is specifically designed for that application.

Veneer

Use a finer grit and light pressure on veneer. Begin around 150 or 180 grit if the surface only needs smoothing. Veneer is thin, so aggressive sanding can expose the substrate or create a low spot that becomes obvious after staining.

Sand with the grain

Sand in the direction of the wood grain, especially during the final passes. Cross-grain scratches can become much more visible after stain is applied. Use light, even pressure and keep the sanding tool moving rather than concentrating on one area.

For broad flat surfaces, a sanding block helps keep pressure even. A flexible sanding sponge can be useful on profiles or slightly curved areas, but avoid rounding sharp edges unless that is intentional.

Clean and inspect before staining

After the final sanding pass:

1. Vacuum the surface and surrounding work area.
2. Wipe away remaining dust with a clean, dry cloth or the method recommended by the stain manufacturer.
3. Check the surface under angled light for scratches, glue spots, and uneven areas.
4. Test the stain on an offcut or hidden area made from the same wood.
5. Apply the stain only when the surface is clean and dry.

Avoid soaking the wood with water before staining unless you intentionally use a compatible water-popping process. If the grain is raised by moisture, allow the wood to dry fully and sand lightly with a fine grit before continuing.

Should you use wood conditioner?

A pre-stain wood conditioner may help some blotch-prone softwoods absorb stain more evenly, but it can also change color intensity. Follow the product directions and test the complete process on scrap wood first. Conditioner does not replace proper sanding or remove glue contamination.

Quick answer by project type

• Smooth pine before stain: 120 or 150 grit, then 180 grit; consider a pre-stain conditioner if appropriate.
• Hardwood furniture: 150 grit, then 180 or 220 grit.
• Rough boards: Start at 80 or 100 grit, then move through 120, 150, and 180 grit.
• Veneer: Start at 150 or 180 grit with light pressure; finish around 180 or 220 grit.
• Previously painted or finished wood: Remove the finish safely first, then sand the bare wood progressively.

If the stained surface looks uneven, the cause may be blotchy wood, leftover finish, glue, inconsistent sanding, or unequal stain application—not necessarily the final grit alone.