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Author Painting plastered walls
richardworrall
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Registered: 20th Sep 05
Location: Derby
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3rd Jan 15 at 17:51   View Garage View User's Profile U2U Member Reply With Quote

Right, stripped the crappy paper off the bedroom walls. Its revealed nice fresh plaster coverings on all walls that have prob only been done within the year, we moved in July and the previous bloke only had it a year.
Wanting to paint but unsure whats best to do:

The plaster has only had a slight whitewash in places, other parts are not coated. Therefore do i need to precoat it first with a water/paint solution before emulsioning, or

It it better to put up lining paper then paint that?

Thoughts
VegasPhil
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Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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3rd Jan 15 at 18:52   View Garage View User's Profile U2U Member Reply With Quote

I water down some paint and put it on bare plaster.

I came across some when I was repainting the lounge recently.


Corsa 2.0 16v Vegas - Sold
Dee25790
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Registered: 3rd Jun 14
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3rd Jan 15 at 19:25   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by richardworrall
Right, stripped the crappy paper off the bedroom walls. Its revealed nice fresh plaster coverings on all walls that have prob only been done within the year, we moved in July and the previous bloke only had it a year.
Wanting to paint but unsure whats best to do:

The plaster has only had a slight whitewash in places, other parts are not coated. Therefore do i need to precoat it first with a water/paint solution before emulsioning, or

It it better to put up lining paper then paint that?

Thoughts


Just finished this on a fully refurbed house.

Depends how much time you want to put into this..

Fresh plaster - pva/water mix or whitewash - this is you choice arguments for both

Sand - 120 go over the plaster take the lumps bumps nodules out of it any holes fill then sand back to flat

Paint- first coat about 10% water

Sand- 180 grit barely have to touch it more rubbing your hand over the wall whilst holding it usually doesn't even take weight of your hand.

Paint - now apply your last coat. Once your roller goes of Make sure it doesn't come back off the wall, vertical movements, do a whole wall then start on the next wall once you finish that one go back to the start of your first wall (the idea being give the paint a few mins to tack off a little bit) don't load any extra paint on your roller and run the roller over the wall again vertical strokes to roll out any lines left from paint application.

Unless your wall needs another coat your done. If it needs another coat or you just want to give it one sand again with 180 and start the paint applying process again.

Use quality rollers and if possibly a roller pole that way you can go bottom of wall to top in one smooth fluid motion.

Using this technique from start to finish gives a fantastic finish even in silk!

B&Q sell Leyland white or cream in their trade catalogue for 16 excl VAT paint like this is great I've used loads of the stuff!

Hope that helps bud
Dee25790
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Registered: 3rd Jun 14
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3rd Jan 15 at 19:28   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dee25790
quote:
Originally posted by richardworrall
Right, stripped the crappy paper off the bedroom walls. Its revealed nice fresh plaster coverings on all walls that have prob only been done within the year, we moved in July and the previous bloke only had it a year.
Wanting to paint but unsure whats best to do:

The plaster has only had a slight whitewash in places, other parts are not coated. Therefore do i need to precoat it first with a water/paint solution before emulsioning, or

It it better to put up lining paper then paint that?

Thoughts


Just finished this on a fully refurbed house.

Depends how much time you want to put into this..

Fresh plaster - pva/water mix or whitewash - this is you choice arguments for both

Sand - 120 go over the plaster take the lumps bumps nodules out of it any holes fill then sand back to flat

Paint- first coat about 10% water

Sand- 180 grit barely have to touch it more rubbing your hand over the wall whilst holding it usually doesn't even take weight of your hand.

Paint - now apply your last coat. Once your roller goes of Make sure it doesn't come back off the wall, vertical movements, do a whole wall then start on the next wall once you finish that one go back to the start of your first wall (the idea being give the paint a few mins to tack off a little bit) don't load any extra paint on your roller and run the roller over the wall again vertical strokes to roll out any lines left from paint application.

Unless your wall needs another coat your done. If it needs another coat or you just want to give it one sand again with 180 and start the paint applying process again.

Use quality rollers and if possibly a roller pole that way you can go bottom of wall to top in one smooth fluid motion.

Using this technique from start to finish gives a fantastic finish even in silk!

B&Q sell Leyland white or cream in their trade catalogue for 16 excl VAT paint like this is great I've used loads of the stuff!

Hope that helps bud


Should have said after the first coat you will be able to see anywhere that is high or low so needs sanding or filling. Do this then touch them back in with a whitewash then the 10% diluted coat 180 over the top then will be fine to go with final coat.

This sounds like a lot of work but with good plaster sanding and filling is an hour. Be ready for final coat within half a day.

Awful plaster is a day's work.

Most of that time is waiting for paint and filler to dry.

Be sure to wipe the walls down between coats with a damp cloth to remove dust and keep a Hoover the hand to pick the dust up
richardworrall
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Registered: 20th Sep 05
Location: Derby
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3rd Jan 15 at 19:50   View Garage View User's Profile U2U Member Reply With Quote

so even though its previously been coated in paste and wallpaper it still needs pva sealing/white washing?
Dee25790
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Registered: 3rd Jun 14
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3rd Jan 15 at 20:22   View User's Profile U2U Member Reply With Quote

If it was me doing it in my own house I would sand it because of the paste then yes pva or whitewash.

But I'm a perfectionist if I know somethin is there It will always catch my eye.

If your not too bothered I inagine the past will do a sufficient job of sealing the wall, if it hadn't been done beforehand the plaster absorbs some of the paste and seals anyway. You will get away with that I reckon..
richardworrall
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Registered: 20th Sep 05
Location: Derby
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3rd Jan 15 at 21:17   View Garage View User's Profile U2U Member Reply With Quote

thats what i was hoping, its one of the boys bedrooms anyway so doesnt need to be 100% perfect and will prob get changed in a few years
--ToM--
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Registered: 23rd Nov 07
Location: Wirral
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3rd Jan 15 at 22:54   View User's Profile U2U Member Reply With Quote

Iv just had a new ceeling section fitted upstairs was fresh plaster where it was skimmed in, painted straight over it with 3 coats of Matt white looks bob on :/ what's all this Pva water business?
Graham88
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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
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4th Jan 15 at 01:39   View User's Profile U2U Member Reply With Quote

50/50 pva and water and slap it on, fuck all that sanding crap

Seals the wall Tom
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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4th Jan 15 at 03:09   View Garage View User's Profile U2U Member Reply With Quote

50/50 emulsion and water is what I've used on the recommendation of 4 plasterers
Dee25790
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Registered: 3rd Jun 14
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4th Jan 15 at 13:43   View User's Profile U2U Member Reply With Quote

Yeah if it doesn't need to be perfect than just put the paint on. Doesn't need sealing will have already been done or the paste would have been absorbed instantly and the paper would have fell off haha
Dee25790
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Registered: 3rd Jun 14
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4th Jan 15 at 13:45   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by --ToM--
Iv just had a new ceeling section fitted upstairs was fresh plaster where it was skimmed in, painted straight over it with 3 coats of Matt white looks bob on :/ what's all this Pva water business?


It's to seal the plaster so that it doesn't absorb the paint. You can paint straight over the top of it but it probably took more paint than if you had sealed it. The pva and water stops the plaster staining too (within reason) from grease or oil and the likes
pow
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Registered: 11th Sep 06
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4th Jan 15 at 20:02   View Garage View User's Profile U2U Member Reply With Quote

In my place where I had bits plastered I've just watered down some cheapy cheap value cheap white paint and slapped that on before my chosen colour
Graham88
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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
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5th Jan 15 at 00:10   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Graham88
50/50 pva and water and slap it on, fuck all that sanding crap

Seals the wall Tom

I meant emulsion here, no idea why I said pva
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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7th Jan 15 at 11:18   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by IvIarkgraham
50/50 emulsion and water is what I've used on the recommendation of 4 plasterers


Yes.
Ojc
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Location: Reading: Drives : Clio 197
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7th Jan 15 at 11:22   View User's Profile U2U Member Reply With Quote

Dee, if it's new plaster why would he need to fill low and high spots on walls? Just mist coat then give it a light sand with a sanding pole once dry.

Next coat water down about 10% just so you get a nice flat first coat, or an additive like Floetral which gives you a nice wet edge.

Only time I've ever had to rub down new plaster was when working on a recessed ceiling which had lights shining across it and it needed high and low spots flatening out
Ben G
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Registered: 12th Jan 07
Location: Essex
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7th Jan 15 at 12:09   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by --ToM--
Iv just had a new ceeling section fitted upstairs was fresh plaster where it was skimmed in, painted straight over it with 3 coats of Matt white looks bob on :/ what's all this Pva water business?


Same here, had a new ceiling in my kitchen and painted straight over the bare plaster. 3 coats, looks fine.
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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7th Jan 15 at 13:22   View User's Profile U2U Member Reply With Quote

Because when you want to paint that ceiling again all the paint will fall off the ceiling onto the roller as you haven't given it a base to adhere to.
Ojc
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Location: Reading: Drives : Clio 197
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7th Jan 15 at 13:23   View User's Profile U2U Member Reply With Quote

Watch

http://youtu.be/VTuaH-6rGRw
Ben G
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Location: Essex
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7th Jan 15 at 15:34   View User's Profile U2U Member Reply With Quote

Why would I paint the ceiling again?
Ojc
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7th Jan 15 at 16:04   View User's Profile U2U Member Reply With Quote

In a kitchen? Where you're cooking and washing the ceiling will always end up getting grubby. Not sure why you wouldn't mist coat anyway? 1 mist x2 solids is usually enough to cover anyway, doesn't take 5 mins to mix up some water into emulsion.
Ben G
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Location: Essex
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7th Jan 15 at 18:08   View User's Profile U2U Member Reply With Quote

My previous ceiling was fine until it fell down

I'm not a professional painter though so it may not have been up to standard.
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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7th Jan 15 at 22:40   View User's Profile U2U Member Reply With Quote

What emulsion did you use?
Ben G
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Registered: 12th Jan 07
Location: Essex
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8th Jan 15 at 00:06   View User's Profile U2U Member Reply With Quote

It was either crown or dulux brilliant white.
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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8th Jan 15 at 12:39   View User's Profile U2U Member Reply With Quote

Dulux shit

Crown good

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