what grit sandpaper for deck sanding?

Release Date:2023-06-09 11:09

When it comes to deck sanding, choosing the right grit sandpaper is crucial for achieving the desired results. The grit level determines the coarseness or fineness of the sandpaper, and different grits are suitable for specific stages of the deck sanding process.

For initial deck sanding or removing heavy coatings, such as old paint or stubborn stains, it's best to start with a lower grit sandpaper. Grits in the range of 36 to 60 are considered coarse and can effectively remove the top layer of the deck's surface. This coarse grit helps to strip away any roughness, imperfections, or damaged wood fibers, providing a smooth foundation for further sanding.

After the initial sanding, you'll want to progress to a medium-grit sandpaper to refine the surface. Grits in the range of 80 to 120 are commonly used for this stage. Medium-grit sandpaper helps to smooth out any remaining rough areas and further prepares the deck for finishing or refinishing. It effectively removes scratches from the coarse grit sandpaper and creates a more uniform surface.


Once the deck surface is adequately smoothed with the medium-grit sandpaper, you can move on to a higher grit for the final sanding. Grits between 150 and 220 are considered fine and are suitable for achieving a smooth, polished finish. Fine-grit sandpaper helps to eliminate any visible scratches left by the previous sanding stages, creating a surface that is ready for staining, sealing, or painting.

Remember, following a progressive sanding approach is important, starting with a lower grit and gradually moving to higher grits. This ensures that each sanding stage builds upon the previous one, resulting in a flawless and professional-looking deck surface.

In addition to choosing the right grit sandpaper, it's essential to use proper sanding techniques. Always sand with the grain of the wood and maintain consistent pressure and motion to achieve even results. Take breaks periodically to inspect your progress and ensure you are not over-sanding any particular area.

Selecting the appropriate grit sandpaper for deck sanding is key to achieving a beautifully restored or refinished deck. By following the guidelines outlined in this article and employing the proper sanding techniques, you can transform your deck into a stunning outdoor space that will be enjoyed for years to come.

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