Hello.
We are going to replace the ceiling in the bedroom. Right now, it's that kind of stretched fabric (barracudatak). I believe there's about a 3 cm gap between the fabric and the ceiling.
Do we need to install battens and put up drywall, or is it enough to attach drywall directly to the existing ceiling?
I read a bit about needing some kind of vapor barrier (like placing plastic between the drywall and the ceiling).

Anyone know,
grateful for answers...
 
Not sure if you need a vapor barrier - you should only need that if you have the attic above. But I have removed one like that - and it needed to be properly framed before you could put up something that was straight. The builders who built it (1968) knew they were going to have a Barracuda - and that gives you 3 cm to play around with - so framing with a level and lots of small pieces of masonite to get it straight. Just get a nail gun and plenty of Alvedon for your back :-)
 
forgot to mention that it's a single-story house and the attic is above the ceiling...does anyone know if I need a vapor barrier then and if so, how is it done?
 
You should only have a vapor barrier if there is already one in the house. If you install a barrier in the ceiling when the walls are not vapor tight, you may create moisture problems rather than prevent them.
 
Milkshaken
Mon is right there, the moisture migration becomes significant, moving the moisture from the attic floor towards the walls... Not good...
Then, as angeleven says... But you can save a lot of time and suffering if you have a laser level with a horizontal line, then a stick where you mark a zero on... Then, of course, screw... Buy Cutter or something similar with Torx head... It's super easy to screw up the glesen then...
 
Regarding the vapor barrier, the barracuda was once considered its own vapor barrier. In other words, you should check if there is a vapor barrier in the walls, and if so, you should have it in the ceiling as well.

In our house from '72 with the former barracuda ceiling (only remaining in the wardrobe now), there is at least a vapor barrier in the walls, but there wasn't in the original ceiling, other than the barracuda.
 
Okay, but is there any easy way to check that in the walls without having to tear it open...? And what does it look like, is it plastic or could it be another material?
 
First a question: Is the house built with a wooden stud frame? If it is NOT, then there is likely no vapor barrier.

Otherwise, the least destructive way to check is to find the original construction drawings, which can be handy to have in other contexts as well. If you can't find drawings and don't want to make a hole in the wall (if there is plastic, you ideally don't want to break it), try removing some trim around a window to see if you can spot any plastic behind the drywall.
 
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