pva

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Polyethylene glycol–polyvinyl alcohol (PEG-PVA) brand name Kollicoat IR (BASF) is a multifunctional excipient used as a pill binder as well as a wet binder. A typical formulation is composed of 25% polyethylene glycol (PEG) and 75% polyvinyl alcohol (PVA); where the vinyl alcohol moieties are grafted on a polyethylene glycol backbone.

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  1. H

    Removing PVA

    Hi. Our newly replastered bathroom walls were pva'd as we were going to paint them but then decided to tile. I've tried my best to remove the pva, first with soapy water, then sandpaper, and brushed with stiff metal brush (don't know if I should have used a metal one!). Having put the first coat...
    • Happy Tiler
    • Thread
    • aus pva removing usa
    • Replies: 7
    • Forum: Canada Tile Advice
  2. C

    Pva

    I am doing my 1st job and the customer has i am working for has used Pva to seal plaster around window edges going on past posts this a time bomb would it hurt to go over this with a acrylic primer such as palace?
  3. H

    The Dreaded PVA!

    Hi all you experts out there, me again! I've just realised that the plasterer we had do our bathroom walls pva'd the lot, including the ones I'm going to be tiling! :oops: Should I try and wash this off as i'm assuming it will put a barrier between the plaster and the primer. Thanks.
  4. P

    Best way to remove PVA?

    Have about 30m of fairly undiluted PVA to remove from skimmed walls tomorrow. What's the quickest way of going about this?
  5. B

    PVA priming prior to latexing????

    Hi, Any views on priming screed with PVA prior to latexing. Thanks.
    • Buffalo Tiler
    • Thread
    • aus priming pva usa
    • Replies: 10
    • Forum: Canada Tile Advice
  6. C

    Primer and Waterproofing over PVA advice?

    Hi, I painted a plasterboard wall with PVA ready for it to be skimmed. However, its now been decided it doesn't need to be skimmed, I've got some primer G and a Dunlop/Bal shower waterproofing kit. So the questions are: 1) can Primer G be applied onto PVA and if not whether I just run with PVA...
    • chrisab
    • Thread
    • advice aus over primer pva usa waterproofing
    • Replies: 6
    • Forum: Canada Tile Advice
  7. G

    BAL Quickset render over PVA primed masionry

    Hi, I've removed the tiles from my bathroom and had to cut out some largish patches of blown render / plaster underneath them. I was intending to plaster over these patches, so I prepeared the wall by cleaning them and priming with a 5:1 PVA solutiuon. Since then I've decided BAL quickset...
    • gpholman
    • Thread
    • adhesive aus bal bal adhesive building adhesives grout over pva render usa
    • Replies: 13
    • Forum: Canada Tile Advice
  8. 2

    how to remove PVA from ply floor ?

    got a floor job today , and the joiner has just let me no he has used PVA to seal the ply floor ???? any tips on how to remove it ? would sanding it off work ? thanks
    • 2020Tiling
    • Thread
    • floor floor tiling how how to tile ply pva tiling guide usa
    • Replies: 10
    • Forum: America Tile Forum
  9. L

    pva in grout

    Has anyone ever heard of mixing pva with grout. Ive heard its supposed to minimise cracks, where the tiles are already laid onto suspect substrates.
    • Little5
    • Thread
    • grout pva tile grout usa
    • Replies: 20
    • Forum: America Tile Forum
  10. U

    PVA or not

    Hi I have read loads on here about the pva issue for priming/sealing plaster before tiling and I would like to open the debate once again. Back in 1993 i tiled my bathroom with ceramic tiles on to a plaster skim sealed with pva, there is a shower over the bath that has been used 3 or 4 times a...
  11. D

    Have coated WBP ply with PVA - what to do?

    Hi all. As name implies Dad is helping Son with renovating his flat. I built a new wall in the bathroom from WBP ply. Plumber (yes I know, why listen to him) suggested coating the ply with 3-1 PVA. I then used Mapei D1 adhesive. Some tiles are coming loose - fortunately have not done too many...
    • DadHelpingSon
    • Thread
    • have ply pva usa wbp what
    • Replies: 16
    • Forum: America Tile Forum
  12. C

    Self levelling screed and PVA

    I'm in the process of a new build in the Western Isles and in need of some advice. I've installed wet UFH and it's been screeded badly and neeeds to be filled in and lowered in places. I can lower to a degree with a hired polisher, but should i fill in with the self levelling screed before or...
    • caluson
    • Thread
    • compound levelling mixing pva screed self self levelling usa
    • Replies: 5
    • Forum: America Tile Forum
  13. P

    sealocrete pva????

    can some one please have a look and read sealocretes pva spec sheet to be used as a primer for tiling. it says that it is suitable for priming prior to tiling yet i seem to have a failure other tilers i have spoke too say avoid it and others swear by it and have never had a problem!!! ive...
  14. B

    Dot & Dab PVA

    When i dot and dab i use diluted PVA on brick work.Just asking what anyone else uses as PVA a no no for tiling:smilewinkgrin:
  15. T

    PVA too late?

    Hello, I have started to prep a wall for tiles in a bathroom, I screwed plywood to the wall (not a wall likely to get wet) to get a flat surface. The used normal PVA to seal in a 50:50 mix. The read the horror stories regarding PVA and not using it. I then noticed evo stick have a water proof...
  16. N

    tiling over mdf with a pva primer

    Hi guys new to the forum, my question is my shower has been backed with mdf, l only know this because two bottom rows of three have blown and when l took them off l can see the mdf.Now to keep the costs down and a short term solution can l put neat pva on the mdf let it dry and then retile, need...
    • nlp67
    • Thread
    • over primer pva tiling usa
    • Replies: 21
    • Forum: America Tile Forum
  17. C

    tiledepot sells pva

    Just checked the primers in tile depot,and they sell and recommend standard pva,:thumbsdown:,Told the guy there it was no good "with my new found knowledge from this forum",He then disagreed..dont think I will be going there much again,,any good places to try and get trade accounts?
  18. C

    600 by 300 porcelain tiles on painted walls sealing with pva

    Went to look at a job the other day i have mentioned it in another thread,someone i know wanted there bathroom tiled in 300by 600 porcalain tiles i advised him that the tiles are to heavy as his walls are brick with skim.I told him maybe he should think about a smaller tile but that was the ones...
    • cass
    • Thread
    • coverage liquid paint painted porcelain porcelain tile porcelain tiles pva seal sealing tile tiles usa wall walls
    • Replies: 28
    • Forum: UK Tiling Forum
  19. P

    PVA plasterboard or not?

    Hi everyone I am a newbie - have introduced myself in the Newbie thread..... about to tile my bathroom, never done it before so I am looking at it as a challenge!! I have had new plasterboard walls and ceiling, will I first have to pava walls? I have read conflicting views, some say yes some...
    • popeye
    • Thread
    • not plasterboard pva usa
    • Replies: 20
    • Forum: UK Tiling Forum
  20. T

    The dreaded PVA.

    My problem is I have to start a job today, the customer has primed the walls with PVA:yikes: How do I remove it? so I can prime with SBR, sand it? wash with water? new one on me:thumbsup:Thanks for any suggestions.
    • The Legend; Phil Hobson RIP
    • Thread
    • pva usa
    • Replies: 5
    • Forum: UK Tiling Forum

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