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Jake
 
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Default Is painting wet plaster bad?

Hi All,

We've just had a bedroom plastered (the full floating/wet/browning
method on to bare brick). The plasterer finished yesterday and the
girlfriend wants to paint it tomorrow. How can I stop her? Apart from
hiding all the paint and brushes that is. I need a good argument!

I just asked the plasterer (who's now working on another room) what his
argument would be. He said "it could crack". Not really a winner in an
argument. I need a really sounds reason not too. Like the moisture will
go the other way, in to the bricks, which will then rot and cause damp.
Hey, that sounds good!

Jake Howlett
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Set Square
 
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In an earlier contribution to this discussion,
Jake wrote:

Hi All,

We've just had a bedroom plastered (the full floating/wet/browning
method on to bare brick). The plasterer finished yesterday and the
girlfriend wants to paint it tomorrow. How can I stop her? Apart from
hiding all the paint and brushes that is. I need a good argument!

I just asked the plasterer (who's now working on another room) what
his argument would be. He said "it could crack". Not really a winner
in an argument. I need a really sounds reason not too. Like the
moisture will go the other way, in to the bricks, which will then rot
and cause damp. Hey, that sounds good!

Jake Howlett


You can tell when the plaster is dry, when it goes a much paler colour *all
over*. If you paint before that - particularly with non-porous emulsion
paint - the moisture will blister the paint. Then you'll have a *hell* of a
job getting *all* the paint off in order to get a flat surface on which to
start again.

Don't go there!

With full plaster - as opposed to skimming over plasterboard - it can take a
week or more to dry out this time of year. If you're lucky, you *may* be
able to paint it over the weekend of Oct 30/31.
--
Cheers,
Set Square
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We've just had a bedroom plastered (the full floating/wet/browning
method on to bare brick). The plasterer finished yesterday and the
girlfriend wants to paint it tomorrow. How can I stop her? Apart from


hiding all the paint and brushes that is. I need a good argument!


At the least, you must wait for the plaster to change to a much paler
colour. With bonding, this may take some time.

Only after this has occurred, use a specialist new plaster paint, such
as Dulux Trade Supermatt. Apply the first coat thinned (you can use
white for this, as it can do the ceiling and the walls). Then do two
coats of the desired colour.

Applying normal Vinyl emulsion a day or two after plastering (including
bonding as well!) would be a disaster.

Christian.

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mogga
 
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On Fri, 22 Oct 2004 09:21:46 +0100, Jake
wrote:

Hi All,

We've just had a bedroom plastered (the full floating/wet/browning
method on to bare brick). The plasterer finished yesterday and the
girlfriend wants to paint it tomorrow. How can I stop her? Apart from
hiding all the paint and brushes that is. I need a good argument!

I just asked the plasterer (who's now working on another room) what his
argument would be. He said "it could crack". Not really a winner in an
argument. I need a really sounds reason not too. Like the moisture will
go the other way, in to the bricks, which will then rot and cause damp.
Hey, that sounds good!

Jake Howlett


Why don't you tell her you'll paint it for her when its all ready to
be painted?
;-)

--
Free stuff by post
http://www.freestuffbypost.co.uk
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Philip Wagstaff
 
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" We've just had a bedroom plastered (the full floating/wet/browning
method on to bare brick). The plasterer finished yesterday and the
girlfriend wants to paint it tomorrow.


How can I stop her?


Take her shopping !! If necessary for the paint but say you can't decide
on
which shade of whatever colour she wants you prefer.


If you do not give the wall adequate time to dry you may end up with obvious
variations in hue and brilliance, even join lines, as you will effectively
be mixing two painting styles: fresco - wet and fresco secco - dry. Water
soluble paint placed on wet plaster will be absorbed and chemically interact
with the plaster producing a highly durable, matt finish. Secco produces are
brighter, finish where the paint is more likely to chip and flake.




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Owain
 
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"Andrew Gabriel" wrote
| But Leonardo's 'Last Supper' is in very poor condition. he should
| have consulted ukdiy
| Where he'd get
| ...
| and several more in a heated debate as whether it would be better
| to restore it or just scrape it off the wall and start again
| and you forgot the someone telling him to fit two combi's...

Nonononono. Leonardos are outdated art now, much better to get two smaller
Damian Hirsts. Up to date and have art in two different rooms. Have then on
castors and then you can put them together whenever you have a big
exhibition in the lounge. And more money from the lottery for Damian Hirsts
than there ever was for Leonardo. A win, win, win loadsamoney, situation.

Owain




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Jake
 
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Philip Wagstaff wrote:
" We've just had a bedroom plastered (the full floating/wet/browning

method on to bare brick). The plasterer finished yesterday and the
girlfriend wants to paint it tomorrow.

How can I stop her?

Take her shopping !! If necessary for the paint but say you can't decide
on
which shade of whatever colour she wants you prefer.



If you do not give the wall adequate time to dry you may end up with obvious
variations in hue and brilliance, even join lines, as you will effectively
be mixing two painting styles: fresco - wet and fresco secco - dry. Water
soluble paint placed on wet plaster will be absorbed and chemically interact
with the plaster producing a highly durable, matt finish. Secco produces are
brighter, finish where the paint is more likely to chip and flake.


It looks like this is what actually happened. We used a heater to keep
the room warm 24/7 for three days. All appeared kind of dry and we
painted. There is now a dull white patch on one external wall. I reckon
the walls must have appeared dry on the surface but were in fact still
holding moisture further down in the plaster.

What I've learnt - WAIT until the room is completely dry.

Jake
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