I am looking at a couple of projects involving polyurethaning a lot of
things, some big and some small. All need multiple coats. Spraying seems
to be the way to go; I see Minwax sells poly in spray cans. But at what
they cost and how many I'll need, I'll be in for a couple of hundred $$$.
For that, I should just invest in a decent spray gun which I can use for
other things (like, say, painting the walls). But will any reasonable
models handle polyurethane? Or am I dreaming?
Andrew L. Duane (JOT-7) firstname.lastname@example.org
HP/Compaq Corporation email@example.com
Any spray gun will spray poly, at least the oil-based type. If you don't
have an air compressor, then it makes some sense to get a high-volume
low-pressure HVLP system, which will include a gun and the blower unit.
Cambell Hausfeld makes one, as do many other manufacturers.
As someone who does a lot of finishing and has an HVLP unit, I can tell you
that I don't use it very often. Spraying is often harder than brushing (for
instance, inside a cabinet), it is messy, and you have the gun to clean. I
really only spray
1) large flat surfaces
2) complex objects like a chair
Instead I finish almost everything using throwaway foam brushes from Jen
Manufacturing (the only good ones). If you keep them wrapped in saran wrap
in a glass jar in the freezer, they last for months and can be used many
Some things I used the sprayer for:
17 interior wood doors
A complete set of raised panel kitchen cabinet doors
Some things I didn't spray:
a large dining room table
a large bookcase with shelves
I have found that you rarely save much time spraying but it is possible to
get a superior quality of final coat. This is important on items that won't
be given a final rubbing, but not so important on, say, furniture.
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