When and Why to Use 400 Grit Sandpaper

Introduction

400-grit sandpaper is perfect for smoothing surfaces before finishing or between coats of paint. This guide walks you through its uses and benefits.

Advantages of 400 Grit Sandpaper

• Smooth Surfaces: Removes minor imperfections effectively.
• Prep for Finish: Ideal for final surface preparation before sealing or staining.

Step-by-Step Guide

Step 1: Start with Coarser Grits

If needed, begin with coarser grits to remove larger imperfections.

Step 2: Smooth the Surface

Switch to 400-grit sandpaper and sand along the grain for a refined surface.

Step 3: Final Prep

Clean the surface with a microfiber cloth to remove dust before applying finishes.