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Paint Problems.....

Discussion in 'Projectors, Screens & Video Processors' started by dc007, Jul 9, 2001.

  1. dc007

    dc007
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    Got my HC room painted up in a matt dark red. Looks great, but even after applying 4 coats, it tends to flake away from the wall very easily.

    Anyone know of a matt varnish or seal that will stop this happening whilst not being too reflective ?
     
  2. Jeff

    Jeff
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    What was the wall finish before you started painting?

    Jeff
     
  3. tiberious

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    I had a similar problem wih a small patch on my wall - turned out it was due to a small patch of wallpaper paste which hadnt been washed off properly !!
     
  4. Mr A

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    I'm sorry to say this but it is highly unlikely that applying a varnish will solve the problem. Problems with paint in any application are usually down to surface preparation. Jeff is on the right lines when he asks what was the surface you painted.

    Is there any damp in the walls or was the surface flaking before you painted it?
     
  5. Paul D

    Paul D
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    I've used a dark red matt emulsion and its fine.
    But i think i know what has happened to yours and i don't think it's because it was own brand etc.
    Did you put on a very weak first coat?.
    With emulsions the first coat "HAS" to be very diluted. This is to allow it to soak "into" the plaster(sizing it). Otherwise the paint just sits "on top" of the plaster. After several coats the first coat starts to peel etc.
    I think the only solution would be to sand it off and start again. :(
    But try speaking to your local DIY store as there may be a solution.
    Good luck.
     
  6. dc007

    dc007
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    The walls were dry as a bone. Papered with an embossed wallpaper of decent quality. 4 coats of Homebase Morrocan red matt paint - I guess thats what you get for being a cheapskate and using own-label paint.... ?!
     
  7. dc007

    dc007
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    Fulabeer, thanks for the input. But, I'm not applying the paint directly to the plaster, but to plain embossed wallpaper on top of it... ?!?! Got a 'pro' to do the brushwork - precisely to avoid such problems.... DOH !
     
  8. Paul D

    Paul D
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    Sorry about my useless reply, as your above quote does indeed say "onto paper". When i replied i hadn't read this posts properly!.
    DOH! :D
     
  9. slingshot

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    Just 1 tip, which is probably too late unless you are going to do it again, I had a lot of problems with one of my rooms and paint not going on correctly.

    Before painting wash the wall done well with sugar soap to get rid of all the grease, fag smoke and other dodgy stuff that stops paint sticking.

    Slingshot
     
  10. dc007

    dc007
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    Appreciate the tip, Slingshot, BUT... I don't fancy washing embossed wallpaper down with sugar soap... ! The wallpaper was put up just a coupla weeks earlier, so no grease build up was possible....
     
  11. squid

    squid
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    it could be that the paper is too smooth anmd not porouse anough . if so the sugestion about a weak coat fist may actualy work .

    i had a problem with pealing quite a while ago. ironicaly anough it was due to the paper being of too good quality . the paint just did'nt soak in and sat on the top just like as been pointed out about plaster

    good qualiy (thick)paint and good quality (dense none pourus) paper are not to good a match

    just follow fulabeers sugestion . it's worth a go :)
     
  12. Tim Cooper

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    The answer is 50/50 mix or stronger of pva glue sized to the wall leave for at least 12 hours et-voila.
    Spoke to a decorator bloke who rekons you should have used lining paper then emulsioned over that

    Cheers

    Tim
     

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