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Expert's Corner — sealers

TIP: Filling Pores with Sanding Sealer

coats finish lacquer sand sanding sealers the finishing store varnish wood woodfinishing woodwork woodworking

It’s generally better to use a dedicated paste wood filler (pore filler) to fill pores than the finish itself, or sanding sealer, because finishes continue shrinking. This will cause the pores to noticeably open up a little after a few weeks or months. But you can use the finish for filling, especially if it’s water-based because water-based finishes sand fairly easily and don’t shrink as much as varnish and lacquer. Apply several coats, sand them back using a flat block to back your sandpaper, and continue doing this until the pores are filled. Varnish and lacquer are more difficult to...

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