Dec 05 , 2018

Wet Sanding Drywall

Wet sanding drywall to avoid the dust: Sanding with sponge

Dampen a special drywall sponge and smooth out flaws in your final coat of compound. You may be tempted to use MDF (medium density fiberboard) on walls rather than drywall to avoid the dust when sanding the joint compound. Indeed, MDF would make a nice, smooth wall surface, and it’s often used for painted panels in wainscoting. It’s much more dimensionally stable than wood. But it still moves. Relative humidity fluctuations could cause a 4-ft. panel to expand and contract as much as 1/8 in. This would open a crack somewhere, even if you glued and splined the edges of panels to one another.

20 Tips for Working with Drywall

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