Well, I wouldn't paint water based paint with the slightly chance of
drizzle. I can imagine that some solvent paints won't mind too much, though,
especially if rubbed down between coats to remove the blotches.
It is highly probable that they were in fact just putting on the base coats
or undercoats which are not so susceptible to the damp and the finish is not
critical and easily repaired if damaged.
In my opinion, external painting should not be done when the weather is damp
as a film of moisture is left on the surface of what is being painted even
after being wiped down and this does not make for good adhesion of the
I would be interested to hear the opinions of the professional painters on
Water based acrylics are very tolerant of surface moisture. It's only the
equivalent of thinning them down. As long as the rain isn't heavy enough to
actually wash the paint off, damp weather is better than warm sunshine.
Oil based paints need bone dry conditions though. Water plays havoc with the
On Wed, 03 Sep 2003 18:24:55 +0200, " firstname.lastname@example.org"
FWIW I did a little experiment using both water and oil based paints,
I stripped and repainted my workshop windows using dulux oil based
paint on one window and very cheap Wilkinson brand water based paint
on the other, at the same time I repeated the experiment on my back
Three years later, to my surprise the windows painted with water based
paint is in far better condition than the oil based which is now
I often use water based paints on the outside because the stuff dries
so quick that you can easily paint three coats in a day and get the
job done, which is very useful if the job has to be done whilst up a
Plenty of paints use a water suspesnion of pignment and binder that, on
contact with air, set to form an impermable and non water-dissolvable
My whole hopuse is painetd with such - Santex exterior paint. You can
wash the brushes in water...if yiu are fast about it. Let em dry (set?)
tho? Forget it!
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