Mikael_L
I agree with several previous speakers (writers), I would also have torn off the masonite and installed simple gypsum board. I think it is the least bad option as long as we're talking about the less troublesome solution of tearing everything down and redoing the entire wall.

You might also end up having to add extra studs and blocking after the masonite has been removed.
 
Well, why should building have to be easy ;)

I guess I need to think it over once more. Someone asked what MDF weighs and such a board weighs about 22 kg, I've seen somewhere.

Thanks for the answers so far.
 
You're not thinking about an MDF panel, are you? But these are just decorative and have no structural support themselves.

You probably can't claim that an MDF board weighs 22 kg without knowing the L-B and thickness. Kind of like asking how long is a piece of string...

In any case, it wasn't a good idea to use an MDF wall, nor is chipboard a good alternative.
 
Not that it matters... but for some strange reason, I happen to know that standard MDF has a density of about 0.75 g/cm3 (varies a bit, of course). A standard board (2440x1220 / 2500x1250) weighing 22 kg is probably 10 mm thick.

Mikael_L said:
Hmm wonder what a 60mm MDF in size 2850 x 2070 weighs ... :x
About 265 kg. One should probably avoid fastening that on a roof rack... :rolleyes:

Back to the topic... I would also go with gypsum.
 
Regardless of which solution you choose, you will have to remove the masonite. So do that and see what's behind before you make a decision. I find it hard to believe that the masonite is mounted on gles. Feels wobbly.
 
Okay, but then it should work if you put a 4-7mm plywood as the bottom and then a 6 mm gypsum board as a paintable wall. I don't want to remove the wainscoting since it's an older cabin, so it's kind of the heart of creating that older feeling. Also because it's a horizontal wainscoting which I don't think is so common, right?
 
The breast panel is probably some sort of tongue-and-groove wood, one might assume. Restoring it with a similar profile is likely straightforward, but the current installation might have sentimental value that could be lost - such things shouldn't be underestimated!

By the way, have you considered putting some paneling on the walls instead? Something like fine-sawn tongue-and-groove could be nice in a small cabin. There are a few alternatives to the beadboard if you don't like it. With wood paneling on the wall, you solve your load-bearing problem at the same time.
 
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Mikael_L
Nygge72 said:
Okay, but then it should work if you put a 4-7mm Plywood as the bottom and then a 6 mm plasterboard as a paintable wall.
It might work, but I don't think it feels like a great solution.
But that might be because I've never heard of or seen it done that way. So I have no clue how good/bad it could be.

I think you're unnecessarily afraid of plasterboard. There are many smart fastening solutions for plasterboard, and the load capacity is several tens of kg for the stronger ones.

Don't forget that several hundred (thousand?) brand new houses are built every year in Sweden, where all the walls consist of single plasterboard, so it can't be that super bad.

And I agree with nmhed, check what's behind it, wouldn't be surprised if you find a plank wall there.
 
I'm not afraid of plaster... it's just that I don't have much to play with out to the breast panel. Therefore, I wanted a thinner board that would still be durable to screw into.

I don't think there's a plank wall behind it since the masonite bulges in if you press on it, so there's probably nothing between the studs.

Isn't there usually plywood as a base for the plaster in new houses?

You're right that it's mostly sentimental value in the breast panel. But I think it would look strange to put a panel above it as they would then be on two different lengths. The house also has no more than 2 meters in ceiling height and the breast panel is 1m of these. So it really is only about 1 meter of bare wall, so to speak.
 
Mikael_L
You're right to keep the panel if you like it and it holds some sentimental value.

If it turns out to be almost impossible to manage the panel, that's another situation, but I don't think that will be the case.

It's just unnecessary to tear down and throw away things that are still OK.
 
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