CC 45 for 120 cm OSB boards?

[Ekberg]

I have encountered a small problem with the build.
I bought a "kit" from Fiskarhedenvillan.
Standard is one layer of plasterboard on the walls, but you can choose chipboard+plasterboard.
We took a middle path and only ordered adaptation for an extra board behind the plasterboard since we wanted OSB instead of chipboard.
The adaptation is thus casings etc. in the correct dimensions.

The boards are to be attached to 28x60 battens on the exterior walls and the interior walls framed with 45x70 / 45x95 / 45x120 depending on the wall.
The drawings and material amount specify cc45.
The problem with changing to cc60 is that the insulation for all interior walls is adapted for cc45.

What to do?
1. Can you place 120cm OSB boards (width) with cc45 and then have the seams without battens behind them?

2. The exterior walls are already insulated, should I use cc45 there as well (if it works) or use cc60 and use leftover battens where it might fit, without regard to cc?

/Dan

 

[Gladh]

If the work itself is not a problem, I would probably cut the OSB boards to 90 cm and then take the extra pieces and have them lying around, which reduces waste, but it does take a lot of work time to puzzle around like that.

It should be possible to set them without a seam behind if the drywall panels are offset at the joints so you don't happen to have the joint for both drywall and OSB in the same place. It should work, but I've never tried it so I don't know. However, there are strips you can use when setting drywall without a stud at the joint, which should also work for OSB.

 

[styrman1]

osb is available in 900mm width.

 

[magnu]

I've seen some craftsmen use 5cm strips of plywood to patch up holes cut in drywall. It might be possible to sacrifice a sheet and cut strips from it, then simply put up the existing sheets.

 

[JOW]

What is your ceiling height?
Can you lay the records down?

 

[bigsnucke]

Have you already bought 120 cm osb? (I don't really understand the problem..) As mentioned, there is 90 cm osb. (It's late, so I've probably missed something essential...)

 

[FredrikR]

Have you already bought 120 cm osb? (I don't quite understand the problem..) There is, as mentioned, 90 cm osb. (It's late, so I've probably missed something essential...)

I guess he got the OSB with the material kit from FHV?
However, they should have sent sheets in the right dimension?

I would check with the seller before I start cutting the sheets.

 

[Ekberg]

Hello!
No OSB boards have been purchased yet.
However, I have all the gypsum.
I have only checked quickly but haven't found other dimensions than 1197 mm width.

I have around 240 in ceiling height.
/Dan

 

[akhagen]

Hello!
No OSB boards have been purchased yet.
However, I have all the gypsum.
I've only checked quickly but haven't found any other dimensions than 1197 mm in width.

I have around 240 in ceiling height.
/Dan

Then horizontal OSB seems like a hot tip. The carpenters who built our extension did it that way, out of pure habit, I believe.

 

[Ekberg]

On the lower floor (outer wall), I have started to place battens at cc 60 since it doesn't involve any insulation, so there will be 120 wide boards.

I'll check how it turns out to lay the boards flat.

But the simplest and best way would probably be to use 90 wide boards on the interior walls.

The only question is where I buy them.
I've checked online and only found Bygghemma.se.
Do you have any tips on stores in the Gothenburg area that have 90 wide boards?

/Dan

 

[styrman1]

Neijer and XL bygg. If there is an Optimera, they also have it.

 

[bigsnucke]

and K-rauta...

 

[Ekberg]

Okay then!

Styrman1: I assume you mean Beijer, it's not on the website, but I guess not everything is there, they do have a good range so that was the first place I checked.

Optimera is probably really expensive without a company account, but XL-bygg is worth checking out.

And K-rauta did have 90 boards on the website.

Thanks
/Dan