Part 4 of 6 - Applying A Synthetic Finish
friendly version of Tip - (PDF)
Help with Downloading
the strict sense of the word, all wood finishes are synthetics,
since they are somehow manufactured from raw materials. But
this term is usually applied to a broad group of plastic finishes,
including polyurethanes, polyvinyls, acrylics and epoxies
-- all of which are synthesized from petroleum products and
of synthetic finishes are impressive: They're clearer, tougher
and do less to change the color of the wood than natural finishes.
As a group, they're much more versatile, though a few synthetics
are manufactured for very specific purposes. Plywood sealer,
for example, is made to harden the soft areas of the sliced
fir. After it's dried, you can fine sand the plywood and get
it to take an even stain.
are the most widely used of all synthetic finishes. They're
highly resistant to abrasion, chemicals and water and last
25% to 50% longer than the best natural varnishes. They're
almost drip-free (when applied properly) and are typically
available in a choice of gloss or satin finishes. An exterior
version -- Polyurethane UVA -- won't break down in sunlight.
to Shop Conditions