What grit sandpaper should I use before staining?

Sand to 150 grit for softwoods (pine, cedar) and 180 grit for hardwoods (oak, walnut, maple). Going finer than 180 can close wood pores and prevent stain from absorbing properly. For water-based stains, raise the grain first by wiping with a damp cloth, let dry, then sand lightly with 180-220 grit.

What is the difference between aluminum oxide and silicon carbide sandpaper?

Aluminum oxide is the standard for wood sanding — it is durable, self-sharpening, and works well on all wood species. Silicon carbide is harder and sharper, used primarily for wet sanding between finish coats and for sanding hard materials like metal, stone, and finishes. Use aluminum oxide for bare wood, silicon carbide for finish sanding.

How do I know when to replace sandpaper?

Replace sandpaper when it feels smooth to the touch, when it stops cutting and starts polishing or burnishing, when it loads up with dust that cannot be cleaned off, or when the backing tears. Dull sandpaper creates more heat and friction, which can burn wood and close the grain. Fresh abrasive cuts faster and produces better results.

Abrasives & Prep

Sandpaper and Sanding Guide: Grits, Types, and Techniques for Perfect Results (2026)

Prepared by Lumberama's Hardware & Accessories Team

|Last updated May 26, 2026|Sources & methodology

Proper sanding is the foundation of every great wood finish — skip it or do it wrong, and no stain or topcoat can save the result. Understanding grit sequences, sandpaper types, and sanding techniques separates amateur-looking projects from professional ones. This guide covers everything from choosing the right abrasive to achieving a glass-smooth surface ready for your finish of choice.

Key Takeaways

Proper sanding is the foundation of every great wood finish — skip it or do it wrong, and no stain or topcoat can save the result.
Understanding grit sequences, sandpaper types, and sanding techniques separates amateur-looking projects from professional ones.
This guide covers everything from choosing the right abrasive to achieving a glass-smooth surface ready for your finish of choice.
Grit number and sequence for your task, abrasive material (aluminum oxide, garnet, ceramic, silicon carbide), backing type (paper, cloth, film, or sponge), sanding method (hand, random orbital, belt, or drum), wet vs dry sanding requirements, wood species and hardness, and the type of finish you plan to apply after sanding.
M Pro Grade Precision sandpaper features longer-lasting aluminum oxide on a durable backing.

What to Consider

Grit number and sequence for your task, abrasive material (aluminum oxide, garnet, ceramic, silicon carbide), backing type (paper, cloth, film, or sponge), sanding method (hand, random orbital, belt, or drum), wet vs dry sanding requirements, wood species and hardness, and the type of finish you plan to apply after sanding.

Product Comparison

3M Pro Grade Precision sandpaper features longer-lasting aluminum oxide on a durable backing. Norton ProSand offers premium quality with anti-clog coating that resists loading on resinous woods. Diablo SandNet is a mesh-style abrasive that eliminates dust clogging entirely. Mirka Abranet is the professional standard for dust-free sanding with hook-and-loop attachment compatible with most random orbital sanders.

Size Selection Guide

Standard sheets (9x11 inch) are the most economical for hand sanding. 5-inch discs fit most random orbital sanders (check your sander's hook-and-loop or PSA pattern). Belt sander belts come in common sizes: 3x21, 3x24, and 4x24 inch. For detail work, sanding sponges in various grits conform to curves and profiles. Buy assorted grit packs for the best value — you will always need multiple grits.

Installation Tips

Always sand with the grain direction, never across it. Start with the coarsest grit needed to remove defects, then progress through grits in sequence (don't skip more than one grit). For bare wood prep, a typical sequence is 80, 120, 150, 180. Sand between finish coats with 220-320 grit. Use a sanding block for flat surfaces to prevent dishing. Clean dust between grits with a tack cloth.

Common Mistakes to Avoid

Skipping grits in the sequence leaving visible scratch patterns. Sanding across the grain creating scratches that show dramatically under stain. Pressing too hard with a random orbital sander causing swirl marks. Not sanding between finish coats resulting in poor adhesion. Using worn-out sandpaper that burnishes rather than cuts, closing the grain. Sanding too fine for stain application (past 180 grit) which prevents stain absorption.

Budget Guide

Standard sandpaper sheets cost $0.50-1.50 each. Assorted grit packs (20-50 sheets) run $10-25. Random orbital sander discs cost $10-20 for packs of 50. Premium mesh abrasives like Mirka Abranet cost $20-35 per box of 50 discs. A complete sanding kit for a furniture project runs $15-30 in abrasives. Floor sanding abrasives for a room cost $50-100.