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Start To Finish Success With Kit Furniture

For tables and chairs that come in pieces, tips from wood finishing expert Bruce Johnson.

People are drawn to kit furniture because of its high quality and excellent value. Compared to the price tag in furniture stores, the cost of a kit looks pretty attractive. And today’s kits offer both a wide selection of quality woods and an equally broad range of designs, from basic styles to magnificent reproductions.

Kits also offer the convenience of ordering from home – from a catalog or the Internet – and you’ll find that assembly tends to be fairly straight-forward and clearly described in the directions. And equally important, a kit gives you complete control over the stain colour and finish, allowing you to coordinate the piece with your décor.

Like any kind of furniture, you want good quality in both the wood and the way the pieces go together. If it’s not rustic pine, the wood should be knot-free; there shouldn’t be any dings, dents or other blemishes; the colour and grain of the visible pieces should be similar, and joints should fit snugly.

After the kit arrives, do a dry-fit assembly to make sure all the parts go together properly. Before staining the piece, which should be done before the assembly, sand away any scratches or roughness with 220-grit sandpaper. For irregular surfaces like lathe-turned legs, use a sponge-lock sander.

If you're planning to stain the piece with an oil-based stain, and if the wood is soft or porous, treat it first with oil-based Minwax® Pre-Stain Wood Conditioner. Use Minwax® Water Based Pre-Stain Wood Conditioner first when using Minwax® Water Based Wood Stain on any type of wood. This ensures the most even stain absorption and prevents any blotchiness that can otherwise occur.

The stain can go on soon after the wood conditioner; apply it with a clean, lint-free rag or a bristle or foam brush, taking care to keep it out of glue joints. Staining before assembly prevents glue from getting on the wood surface which tends to seal out stain and produce uneven colour. Staining first also ensures complete stain coverage, especially in hard-to-reach areas.

As for choosing a stain, you’ve got lots of options. Minwax® Wood Finish™, an oil-based stain available in 20 wood-tone colours, gives you plenty of working time to ensure even coverage. Oil-based Minwax® Gel Stain, available in eight wood-tone colours, is thick and viscous and offers more control and less chance of runs or splashes, especially on doors or paneling that you can’t lay flat.

Minwax® Water Based Wood Stain comes in six ready-mixed colours, a white wash pickling stain and 60 decorator colours that are mixed in the store, allowing you to choose from a wide range of contemporary blues, reds, greens, yellows and other colours. For maximum convenience, consider using either Minwax® PolyShades®, an oil-based, one-step brush-on stain and polyurethane available in nine wood-tone colours in gloss and satin sheens, or Minwax® Water-Based WoodSheen®, a rubbing water-based stain and finish available in six wood tones.

Whichever stain you choose, do some practice applications on scrap wood to get a feel for how it goes on, sets up and wipes off. You should always do a colour test on a small and hidden portion of the kit. Try different waiting times between application and wipe-off and you’ll see slight variations in the resulting colours. And be aware that thin veneers and thick, solid pieces of the same species will absorb different amounts of stain.

After staining, wait a day before proceeding with the assembly. Have a small wet rag on hand to wipe away excess glue that may squeeze out of joints. If you’re using bar or spring clamps, the jaws should be padded or you should put softwood scraps between the jaws and the kit wood to avoid marring it. And unless the manufacturer recommends or provides something else, use yellow carpenter’s glue, which creates a very strong bond. After reading all the directions, work slowly and steadily through each step. When you’re done, set the piece aside for a day so the glue can cure before the topcoat is applied.

Your choice of clear topcoats includes products that can be brushed or wiped on, and some are even available in aerosol cans. Minwax® Fast-Drying Polyurethane is an oil-based topcoat that comes in gloss, semi-gloss or satin sheens. Minwax® Polycrylic® Protective Finish is water-based and recommended for use over Minwax® Water Based Wood Stain. Polycrylic® dries crystal clear in gloss, semi-gloss or satin sheens and cleans up with soap and water. For interior and exterior wood that needs an extra measure of protection from sun, rain and temperature changes, choose Minwax® Helmsman® Spar Urethane in a gloss, semi-gloss or satin sheen. For hand-rubbed beauty, use Minwax® Wipe-On Poly, a polyurethane that provides a thin but durable layer of protection in a gloss or satin sheen.

After the first coat of finish has dried, lightly sand the whole piece with 220 or even 320 grit paper to knock off any raised grain or bumps from dust. Do the same after each succeeding coat up to the final coat. After that coat you can achieve ultimate smoothness by giving the finish a final rubdown with 600 grit sandpaper dipped in a mineral or lemon oil. That final step will make your finished kit look as good as or better than the piece that’s still sitting in the furniture store.