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  1. #1
    Member Burdie's Avatar
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    Default Can still see tapes


    Hi, Im a first time poster, and first time taper.
    I taped a room in my house extension but can see the tapes in the sunlight. Think I may have made a mistake?
    Why does it do this and can I fix it?

  2. #2
    Season ticket holder amestaper's Avatar
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    Default

    Hi there burdie!
    Did you fill the joint with enough joint cement and sand it down flush with the plasterboard when it dried?

    Can you explain in more detail please?
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    Member Burdie's Avatar
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    Default

    Yeah, I stuck the tapes on and gave it 3 coats, then sanded it flat with 120 grit sandpaper.
    Then i painted it, but I can still see where the tapes and screw holes were.

  4. #4
    Season ticket holder amestaper's Avatar
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    Sounds like flashing to me and you may have missed a coat of drywall primer between taping and painting. This is a process a lot of people skip before decorating probably due to costs (off the shelf prices are around 20 for 10 litres) or clients suspecting you are trying to get them to part with more money. Personally I think Leyland Leytex is better than British Gypsum brand primer as this also works on new plaster. Let me explain, not in my own words but a quote from somewhere else on the net which pretty much says it all.

    "It is recommended that the prepared surface be coated with a "drywall primer" prior to the application of final paint. This is an important step that should not be forgotten before final decoration. The application of high quality, high solids drywall primer minimizes most decorating problems.
    As defined in the recommendation, a drywall primer is a paint material specifically formulated to fill the pores and equalize the suction difference between gypsum board surface paper and the compound used on finished joints, angles, fastener heads and accessories, and over skim coatings."

    Too late to use this stuff now but if your walls and ceilings are smooth, then I reckon a couple of coats of good quality matt emulsion should do the trick. One more thing I should mention, make sure theres no dust left on the plasterboard after sanding as that can mess up the finish.

    My 2 cents worth, let me know if it fixes the problem.
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    Member Burdie's Avatar
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    Thumbs up

    I was using a poor quality paint, already looks better after 1 coat of dulux. will give it another tomorrow.
    thanks for that im a lot happier now

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    Member Burdie's Avatar
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    Thumbs up

    Thanks so much for your time. Looks great now.

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