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very dilute varnish or use roller?

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very dilute varnish or use roller? johngood_____ 02-16-2008
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Posted by Smitty Two on February 16, 2008, 11:10 am

> I have a table top I wish to varnish over and have bought some Ronseal
> Diamond Hard Clear Satin (water based) Varnish.
>
> I would like to get it on as *smoothly* as possible and not being too
> brilliant wielding a paint brush wonder if, since it is a water based paint,
> i could *dilute* it right down with boiled water and then more or less
> 'smear' it on using a rag, then turn up the central heating and hope that it
> would all dry very smooth?
>
> Another thought I had was to use a small roller. Our local store sells two
> types of rollar surface, a sponge for gloss paint and a hairy one for
> emulsion. If using a roller was a possibilty to get a very smooth surface,
> which type of roller surface should I buy please?
>
> Thanks for any advice with this.

I'm a lousy painter myself, but was told once that (at least some) clear
finishes should be applied with brush strokes only in one direction, not
back and forth like paint. Keep the brush working towards the area
that's already applied, and don't overdo it since it begins to dry more
quickly than paint. Not entirely sure whether this would apply to water
based varnish, but technique is everything. I actually refinished
several 30" x 10' maple butcher block tabletops that way, and they came
out great, but I did use an oil based product.

PexSupply PEX Tools 468x60
Posted by Andrew Barss on February 16, 2008, 1:27 pm
: I have a table top I wish to varnish over and have bought some Ronseal
: Diamond Hard Clear Satin (water based) Varnish.

: I would like to get it on as *smoothly* as possible and not being too
: brilliant wielding a paint brush wonder if, since it is a water based paint,
: i could *dilute* it right down with boiled water and then more or less
: 'smear' it on using a rag, then turn up the central heating and hope that it
: would all dry very smooth?

Bad idea -- thin only according to the instructions on the can.
Oil based varnishes can be applied as described, water based ones can't.

: Another thought I had was to use a small roller. Our local store sells two
: types of rollar surface, a sponge for gloss paint and a hairy one for
: emulsion. If using a roller was a possibilty to get a very smooth surface,
: which type of roller surface should I buy please?


I highly recommend the flat pads with short bristles sold for applying paint.
They work really well with waterbase varnish, much better than brushes (for me
anyway).

I also find that scraping (vs sanding) helps in flattening.

        -- Andy Barss

Posted by Joseph Meehan on February 16, 2008, 6:56 pm
If you let us know more about the project, we may be able to offer
better advice. For example what kind of surface is it going on? What kind
of wear, moisture and/or alcohol and sun exposure will it be exposed to?
What use?

If you want a very shinny heavy looking finish, almost like a glass top,
there are heavy finishes that you pour on creating a thick clear surface.

--
Joseph Meehan

Dia 's Muire duit



> I have a table top I wish to varnish over and have bought some Ronseal
> Diamond Hard Clear Satin (water based) Varnish.
>
> I would like to get it on as *smoothly* as possible and not being too
> brilliant wielding a paint brush wonder if, since it is a water based
> paint, i could *dilute* it right down with boiled water and then more or
> less 'smear' it on using a rag, then turn up the central heating and hope
> that it would all dry very smooth?
>
> Another thought I had was to use a small roller. Our local store sells
> two types of rollar surface, a sponge for gloss paint and a hairy one for
> emulsion. If using a roller was a possibilty to get a very smooth
> surface, which type of roller surface should I buy please?
>
> Thanks for any advice with this.
>

Posted by Paul Oman on February 16, 2008, 9:48 pm
johngood_____ wrote:
> I have a table top I wish to varnish over and have bought some Ronseal
> Diamond Hard Clear Satin (water based) Varnish.
>
> I would like to get it on as *smoothly* as possible and not being too
> brilliant wielding a paint brush wonder if, since it is a water based paint,
> i could *dilute* it right down with boiled water and then more or less
> 'smear' it on using a rag, then turn up the central heating and hope that it
> would all dry very smooth?
>
> Another thought I had was to use a small roller. Our local store sells two
> types of rollar surface, a sponge for gloss paint and a hairy one for
> emulsion. If using a roller was a possibilty to get a very smooth surface,
> which type of roller surface should I buy please?
>
> Thanks for any advice with this.
>
>
from my experiences with waterbased varnish and waterbased
coatings, it doesn't seem to matter much how you apply them. The
go on thin, self level and dry even thinner. Will take a fair
number of coats to get a 'thick' film.

Thank the air quality/VOC folks for the near demise of old fashion
oil based varnishes - (solvent level too high in them!)

paul
progressive epoxy polymers inc

Posted by Bonehenge (B A R R Y) on February 17, 2008, 7:33 am
wrote:
>
>Thank the air quality/VOC folks for the near demise of old fashion
> oil based varnishes - (solvent level too high in them!)

There are still plenty of them out there. The new low VOC versions
can often be thinned by the end user to perform just like the old
version.

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