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Thread: New to drywall. Painting - do I need to seal

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    Default New to drywall. Painting - do I need to seal


    Hi, I am new to Drywall.

    After jointing, do I need to seal the plasterboard prior to painting. What would others recommend for the best finish.

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    Hi Jason. Give it a coat of either sealer or primer so it equalises the suction and eliminates flashing in the tapes. The best finish i saw for drywall was level 5, there is a short demo and you can look it up in our downloads section.
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    Quote Originally Posted by amestaper View Post
    Hi Jason. Give it a coat of either sealer or primer so it equalises the suction and eliminates flashing in the tapes. The best finish i saw for drywall was level 5, there is a short demo and you can look it up in our downloads section.
    But isnt level 5 effectivly just skiming the wall like plaster...can see how the wall would be the one texture, but it surely would be quicker to plaster it...?

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    Quote Originally Posted by Jason Smith View Post
    Hi, I am new to Drywall.

    After jointing, do I need to seal the plasterboard prior to painting. What would others recommend for the best finish.
    Use dulux fast matt first,
    If u r using vinyl matt paint!! Or sheetrock sealer is good stuff and a whole bunch cheaper!!

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    johnstones drwall primer, dries solid white and is much better than normal drywall primer

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    Quote Originally Posted by forestbhoy View Post
    But isnt level 5 effectivly just skiming the wall like plaster...can see how the wall would be the one texture, but it surely would be quicker to plaster it...?
    We do both systems. Level 5 is quicker then gypsum and superior in quality

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    Quote Originally Posted by currierplastering View Post
    We do both systems. Level 5 is quicker then gypsum and superior in quality
    How can it be quicker? A wall has to have 3 coats and then sanded. It is then rolled,coated,whatever and then sanded again. Superior in quality i dont argue with, as there are some shit spreads out there who do taping jobs by bolloxing it on the wall and "just sand it flat". Being quicker, no chance. Whats a set ,3 hours....? Im ok at plastering,but have made a living at taping solely ,for almost 30 years ,so no bias towards plastering in my comments if you think so.

    _

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    What's your go to sealer or do you prefer primer? Or do you give a thinned down contract paint followed by a fuller coat?

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    Quote Originally Posted by forestbhoy View Post
    But isnt level 5 effectivly just skiming the wall like plaster...can see how the wall would be the one texture, but it surely would be quicker to plaster it...?
    You may be right but he asked what I thought was the best finish.
    Your messages are really important to us
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    Quote Originally Posted by forestbhoy View Post
    How can it be quicker? A wall has to have 3 coats and then sanded. It is then rolled,coated,whatever and then sanded again.
    Watch the demo, the tapes are only first coated.
    Your messages are really important to us
    ...but not important enough to employ a sufficient number of support staff to answer them.

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    Quote Originally Posted by amestaper View Post
    Watch the demo, the tapes are only first coated.
    God that's one of the most tedius films I have ever seen on taping . It does only give it a 10" box,but it also says, repeat as necessary the spraying and laying flat. Which in my book, is admitting that one coat doesn't work.

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    Quote Originally Posted by forestbhoy View Post
    God that's one of the most tedius films I have ever seen on taping . It does only give it a 10" box,but it also says, repeat as necessary the spraying and laying flat. Which in my book, is admitting that one coat doesn't work.
    Well it does. It's quicker, better and cleaner then gypsum.

    We spray both so I'm well placed to give a honest view.

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    What video was it? The Sheetrock one?

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    Quote Originally Posted by forestbhoy View Post
    God that's one of the most tedius films I have ever seen on taping .

    I will pass on your thoughts to the director lol.

    Quote Originally Posted by TonyM View Post
    What video was it? The Sheetrock one?
    Yeah from the downloads section, I'm mobile at the moment so don't have the link.
    Your messages are really important to us
    ...but not important enough to employ a sufficient number of support staff to answer them.

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    Most places I've worked only seal the walls if its wall paper that's going on, so it can be stripped in future without ruining the board. Usually two coats of decent paint does.

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    Quote Originally Posted by Brian S View Post
    thats it, thanks.
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    http://youtu.be/pKMZ-__U6aA

    This video is better

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    Crown obliterating emulsion. never had a single issue

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    I do things a little different for a 5 star finish and I personally think my way is faster and leaves the flatter finish. I assume the muds used elsewhere just aren't as good as the Synko stuff I have access to here. Almost never is 5 star required for walls either if the normal 2-3 coat system is done correctly and I don't have much respect for pan+knife tapers as the trowel is just superior for perfect flat coats and the speed at which the job can be done. When I do a 5 star ceiling I make sure I get the normal process done right then I will use a grayco spray machine and have one person spray mud over flats then butts while I am troweling them with thinner than normal skim mud which runs through machine that leaves the area where screws and blank board remain and since my screws have been coated 3 times by this stage I just skim the other areas with hawk & trowel with thin mud as well to blend it all in. I don't like spraying the entire ceiling because imo doing the flats/butts first will tell you how flat your ceiling is and once its done and painted I am always impressed by its flawlessness. The main thing that makes my way quicker imo is the way I flatbox ceilings as I do the first 2 coats of butts using my 10" then the 12". The 10" down each side of the tape then the 12" down the middle and each side of the middle for a 36" wide but which flattens out insanely nice which makes a skim over the top flatter then any process I've done to date.

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