you’re free to reduce your dust output to nearly zero using a wet-sanding method.
This process is far from precise.
It doesn’t leave you a perfectly smooth surface and is much slower than traditional sanding.
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But it’s one of the best ways to prevent dust from taking over the space.
What Is Wet-Sanding?
Wet-sanding requires a damp sponge to smooth out and remove excess taping compound after it dries.
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Wet-sanding is usually done with a very thick, stiff sponge.
It travels into the farthest regions of your home and deep into your clothes and hair.
Because you areusing a spongewhich is flexibleyour finished wall may exhibit gentle waves.
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But all of these drawbacks may be worth the significant benefita joint-smoothing operation completely without dust.
Sand the Joint With the Abrasive Sponge Side
Be patient.
Sand With the Smooth Side of the Sponge
Do not be stingy with the water.
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Constantly rinse, remoisten, and squeeze out the excess.
Do not let your sponge get dirty between passes.
Change the water as it becomes milky or thickens with sediment or compound.
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Let the Wall Dry and Inspect
Check your work.
This reactivation allows you to smooth out and feather the ridge edges.
Wet-sanding adds a moisture componentoften simply waterto the sanding process.
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The main perk to wet-sanding drywall is it creates less dust than dry-sanding.
However, it typically doesnt result in as smooth of a finish as dry-sanding.
The key is to pay attention to your sanding motion.
Work in even circulation strokes from the center outward toblend the edgesinto the rest of the wall.
With either sanding methodwet or dryyoure going to create some dust.
Then, use a shop vacuum to clear dust from the area.
Control of Drywall Sanding Dust Exposures.National Institute for Occupational Safety and Health.