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19 replies
52k views
19 replies
cracks in gypsum joints
I may have made a mistake somewhere, but I don't think so, and the cracks are there now. I guess it might move a bit in an intermediate floor in a wooden house, and that the movements are too large for the strips to absorb them. Reinforcing further with a fabric over the entire ceiling seems like a good alternative. How do you think I should proceed jon_h?
According to this link, you reduce the risk of cracks: http://www.viivilla.se/gordetsjalv.asp?mode=ShowArticle&articleid=1754
/Johan
According to this link, you reduce the risk of cracks: http://www.viivilla.se/gordetsjalv.asp?mode=ShowArticle&articleid=1754
/Johan
I have no idea what the problem is in your case. If there's something wrong with the construction, perhaps microliten can fix it. I only protested against Stringfellow's general statement that this is how you must do it if you want smooth plaster ceilings. I have built many plaster ceilings with only taped joints, and I have never had a crack.
According to this link, the risk of cracks is reduced: http://www.viivilla.se/gordetsjalv.asp?mode=ShowArticle&articleid=1754
Wonder why they used heavy 12 mm plasterboards when renovation plaster 6 mm is available?
It's been a long time since I put up plasterboard on the ceiling, but I remember that the boards had a bevel on the long sides, which facilitated invisible seams. It was much more difficult on the short sides. Perhaps nowadays the short sides are also beveled?
Sanding is almost not needed at all if you apply the joint compound correctly.
Wonder why they used heavy 12 mm plasterboards when renovation plaster 6 mm is available?
It's been a long time since I put up plasterboard on the ceiling, but I remember that the boards had a bevel on the long sides, which facilitated invisible seams. It was much more difficult on the short sides. Perhaps nowadays the short sides are also beveled?
Sanding is almost not needed at all if you apply the joint compound correctly.
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