DIYbanter - View Single Post

In article , says...
Waterborne poly seems to have some advantages which are not generally
mentioned. In fact, I think it is sort of strange stuff.

And disadvantages. I got some last summer, particularly because we have a
timber here in NZ called Totara that will invariably bleed under virtually
every sovent based finish - so I read about water based poly being the
primer/sealer to use on totara (alternatively shellac).
First thing I noticed is that it doesn't flow out of a brush as well as oil
based poly. Second thing I noticed is that you MUST maintain a wet edge. It was
a hot day, I didn't manage a wet edge all along the work and where I painted
over stuff that had half set I got a nasty dull white strip. Not good. Third
thing I noticed is I basically never managed to get it cleaned out of the brush
properly - just glad I hadn't used one of my really expensive finishing brushes
with it -- ended up having to chuck the brush.

I can see how it has its uses as a primer, but it will not be(come) my finish
of choice, especially in summer ...

-Peter

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