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Oil Based vs. Waterborne Pore Fillers Finishing Tip
By Alan Noel
Professional Wood Finisher
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To my eyes there is nothing more beautiful than a mirror
finish on highly figured woods such as curly maple or lacewood,
which brings out and accentuates the figures and grain patterns that
are present in the woods themselves known as "chatoyance."
This 3D effect can be achieved by using pore fillers and by building
the finish to a level that is "proud" of the surface of the wood, which
in turn creates the 3D effect when exposed to a light source.
When I started my business some 30 plus years ago there was only
one type of pore filler on the market, which was an oil based filler. Although it worked
well and did the job, it was slow to dry, hard to sand off the residual
filler left on the surface, was only available in a few colors and was very hard to
work with to say the least. Also, the drying times were very unpredictable
since the fillers were greatly affected by temperatures lower than 65 degrees
and humidity levels also made oil based fillers unpredictable. And then there was
the problem of "oil bloom", which is when the gases from the
filler are trying to escape and get trapped in the finish, which can create a cloudy
appearance to the surface of the finish. When this happened your only
choice was to remove the finish and start over.
Several years ago
water-based pore fillers
were introduced to the market
along with other waterborne finishing products. After receiving a sample I
gave it a try and am so glad I did. This new water based filler performed much better than I ever expected
it to since I was an old-fashioned finisher and very slow to adopt other methods
of work. However this waterborne filler won me over. Just goes to show, you
can teach an old dog new tricks!
Waterborne fillers dry very fast and can be sped up with a hair dryer if need be.
These types of fillers can be tinted, sanded very easily (sanding through a wash coat
and stain coat becomes much less of a problem), cleaned up with water so there is no oily mess,
and they also work great with any solvent based finishing materials. When using
these fillers, be sure to wear a dust mask when sanding since they do contain
silica.
It goes without saying that here in the shop the only pore fillers we use these days
are waterborne.
Alan can be reached directly via email c/o Alan Noel Furniture Refinishing at
anoelfurniturere@bellsouth.net
. You can also visit Alan's website by
CLICKING HERE
.
Visiting Atlanta? Attend one of Alan's upcoming highly informative Highland Woodworking wood
finishing seminars:
June 14, 2017
Finishing the Finish
June 24-25, 2017
Antique Restoration
July 8, 2017
Spray Finishing
July 12, 2017
French Polish Workshop
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