I have a 130 cm wide uninsulated internal wall with 13mm three-tex next to a couple of wardrobes.
Unfortunately, there's a bit of a space issue and I can't move the wardrobes forward much more to solve:
13mm three-tex & 13mm OSB = 26mm
One idea was to tear down the three-tex and go with:
10/11mm OSB & 6.5mm renovation gypsum = 16.5-17.5mm. It'll be tight but it should work.
Another thought is, of course, to rebuild the entire wall, which is a bit tricky since we'd like to add some insulation while the wall is open (difficult to fasten the board from the other side).
The studs are 34*54mm placed at about cc40 (modular wall).
Does renovation gypsum on OSB work, or is there a better alternative? I may possibly hang a TV on the wall.
Any additional tips/advice?
Is there anything behind the treetex today? You might not need any OSB behind the drywall. Single-layer drywall is a poorer solution when you want to hang things. But it's possible too. And it has the advantage of being more compact. The answer to the question is that there are no problems with placing renovation drywall on OSB.
I think the best option is to tear down the tretex, insulate, add plastic, build with OSB, and then renovation gypsum. If gypsum becomes too thick, use masonite instead. Gypsum is good in many ways but certainly not the be-all and end-all.
Is there anything behind the treetex today? You might not need any OSB behind the plasterboard. Single plasterboard is a worse solution when you need to hang things. But it works too. And it has the advantage of being more compact. The answer to the question, in any case, is that there are no problems putting renovation plasterboard on OSB.
Nope, just an empty interior wall with 13mm treetex on both sides. There's also a built-in wardrobe against the back of the interior wall from the other side.
Of course, it can be done with single plasterboard too. Need to keep an eye on the studs if something heavy needs to go up. Need to figure out if it might actually be easier with single plasterboard just on this wall. If a TV needs to be mounted, it's just a matter of cutting a piece of OSB, possibly painting it, and screwing it into the studs.
I've plastered the other walls in the room and now only have the last wall left.
I think the best option will be to tear down the tretex, insulate, cover with plastic, build up with OSB, and then renovation gypsum board.
If gypsum is too thick, use masonite instead. Gypsum board is good in many ways but not the ultimate solution.
Yeah, I'm leaning towards that. I hadn't thought about tearing down walls really 🤷♂️😅
Gypsum board will probably do. There’s gypsum board on all other walls, so this is the only one left now.
Leaving the tretex and applying renovation gypsum board is also an option but not really...
Of course, it can be done with single-layer plasterboard as well. You just have to be more careful with the studs if something heavy is going up. I need to think about whether it might actually be easier with single plasterboard on this wall. If a TV is going up, you just cut a piece of OSB, possibly paint it, and screw it into the studs.
Molly plugs in single-layer plasterboard can hold quite heavy items too. The board itself is strong enough. At work, I've hung up control cabinets for elevators on single-layer plasterboard.
Mmxjolle said:
Leaving tretex and applying renovation plasterboard is also an option but nah...
It ends up thicker than single plasterboard but probably weaker. And hardly even easier. How large will the area be? Is it wider than 1.2m? Chipboard is also an option. Stronger than plasterboard and just as smooth. The problem is making sure the joints don't crack. But if it's not wider than one sheet, then there are no joints.
Molly plugs in single drywall also hold fairly heavy things. The panel itself is strong enough. At work, I've hung apparatus cabinets for elevators on single drywall.
It becomes thicker than single drywall, but probably weaker. And hardly even easier. How large will the area be? Is it wider than 1.2m? Particle board is also an option. Stronger than drywall and just as smooth. The problem is preventing the joints from cracking. But if it's not wider than a board, there will be no joints.
The entire wall is, as said, 1.3m. The modular wall section, however, is 1.2m in outer dimensions and then there is an extra finishing rule before the wardrobes and most likely an extra one at the other end against the outer wall.
Is there anything behind the tree textile today? You might not need any OSB behind the gypsum. Single gypsum is a less ideal solution when you need to hang things. But it works too. And it has the advantage of being more compact. The answer to the question is that there is no problem putting renovation gypsum on OSB.
OSB + gypsum is indeed better for hanging heavy items than double gypsum. I don't quite understand what you mean.
But, it doesn't really matter, as even just a gypsum board can easily support a large TV.
To answer the original question, it is fine to put 6mm renovation gypsum on OSB.
OSB + gypsum is better to hang heavy things than double gypsum. I don't quite understand what you mean. But, it doesn't really matter much, as even a plain gypsum board can easily hold a large TV. But to answer TS's question, it's fine to put 6mm renovation plasterboard on OSB.
I mean really three things.
1. OSB behind gypsum is better than single gypsum when you need to hang things.
2. Single gypsum is still strong enough to hang a TV without OSB.
3. There are no issues using 6 mm renovation gypsum on OSB.
So unless I'm misunderstanding you, we completely agree.
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ricebridge said: