Why am I getting these bubbles in my paint? Advice please... - HotUKDeals
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Why am I getting these bubbles in my paint? Advice please...

jtx Avatar
6y, 5m agoPosted 6 years, 5 months ago
I'm painting my daughters bedroom and keep getting these bubbles appearing in the paint. Any ideas why? It's B&Q 1 coat emulsion (needs 3 coats) is it me? Is it the paint? Using a new roller so not been washed with water etc.

At this rate I'll have to sand it all and start again!

Pic below...
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jtx Avatar
6y, 5m agoPosted 6 years, 5 months ago
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#1
http://i280.photobucket.com/albums/kk195/jtxdesign/fe39e483.jpg
#2
would suggest you clean the walls first as is looks like a reaction to something on there , oil or damp usually
#3
gdp-it
would suggest you clean the walls first as is looks like a reaction to something on there , oil or damp usually

Was going to say the same.

What are you painting over
#4
I'm painting over emulsion, which I painted about 3 years ago. I'll give it a wash down before I carry on then. Thanks.
#5
Get some sandpaper and rub it across the wall after you have cleaned it to rough it up a bit
#6
I always had this with 'cheap' paint. Never get it with Dulux on the same walls, never use anything else now.
#7
Get some diluted PVA and wash it over the walls before you do any more. It will seal whatever is behind it causing the reaction.
#8
Nice colour.
#9
Did you always want a boy? http://i305.photobucket.com/albums/nn219/jumpingphil/giggle1.gif

Edited By: Jumpingphil on Aug 05, 2010 20:14: Forgot giggle.
#10
Oh dear. Yes, I would agree that you haven't prepared the surface for painting. A thorough wash down with
sugar soap, then rub down irregularites, then a wash of dilute PVA should put it right.
#11
its because you're using matt over silk (or maybe vice versa i can never remember lol) they have a tendency to react like this
#12
blooming heck ..................................... oil or dampness on walls , using matt over silk , treat with PVA .Never heard so much drivell in all my born days .
New paint .yes ? ...............You stired the paint before using it ..Yes ? Using a standard roller ..Yes?
If you stir the paint as normally recomended you will get air bubbles in the paint . Leave the paint pot for a while to settle before use . Dont use the standard rough/wooly type of roller ..................just use them on rough surfaces ie , blown vinyl , wood chip , textured surfaces . Use a smooth type roller on flat surfaces . You can dampen the roller , do not soak it , before use . you may still get a few bubbles on the wall ,they normally dissapear .
One way to check if your wall are contaminated [which I very much doubt] , pick 2 areas of wall ...............lower corner on one wall & under a window sill for instance and paint a 2 square foot square on the walls ...............................but with a BRUSH and leave to dry . Check when dry .
New paint thats just been stired will gather air , if the paint is reasonably thick this may cause the problem . Thin the paint down with water .........................gradually , of course only do this with water based emulsion . I would put half a cup of water per 5ltrs of emulsion and mix well.

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