Stud Wall Timber Size !

Depends how high it is, don't quote me on the exact figure cos I can't remember, but anything over about 2.7 high should be 2 X 4, (or 50 X 100 if you prefer).
 
Thankyou for the posts.

The wall will be 2m x 1m and is being fixed to the studs of a lathe and plaster wall to make one corner of a shower.

In this case I think that 4 x 2 is to big. I was going to use either 2x2 or 2x2.5. Is this OK ?

Thanks again.
 
If its just a return wall then 75x50 or 38x63CLS will do. I would consider taking it all the way to the ceiling though as you may get some wobble if it stops short - not good if you want to avoid leaks.

I usually use the CLS as its quite straight and reasonably priced, did this bathroom with it for example.

Jason
 
I thought it was related to the timber grade specification - ie Canadian Lumber Standard - but I could be wrong

I like cls for studwork - it usually straighter the the average sawn stuff and nicer to handle with its rounded corners etc. I would be tempted to close the centres up of the studs if you use the 68 x 38 mm section though probably 400 mm centres. Definately take it up to ceiling with a head member unless its restarined at both ends over a short run. CLS is usually dryer and more stable than stock sawn timber too so movement is less after installation (unless you leave it outside of course.

Cheers - jonah
 
Both are right probably because standard and stock have roughly the same meaning i.e standard sizes and stock sizes.

God I'm bored someone come and write my quotes for me
 
Canadian Lumber Standard - standard being descriptive of quality, eg stress graded, (GS or SC16), fine sawn all round, arrissed 4 edges and kiln dried to lower than 16%.

Abvailable in 2.40, 3.0 and 4.80m lengths.

That said, most CLS is now imported from northern Europe, (Finland, Sweden etc), rather than Canada as the majority of Canadian and North American softwood now goes east to Japan and China who pay better rates than Europe.
 
Just a quickie tell me if I'm being over cautious but I'm going to be constructing a toilet block in some offices what DoY you think 4x2 cls soundbloc plasterboard with 100mm rock wool that should be ok ? Don't want them hearing owt
 
Canadian Lumber Standard was developed in an effort to bring some standardisation into carpentry/joinery. Usually stress graded to c16/24 and eased all around.
In the bad old days studs could vary a great deal and often needed resawing by the chippe before the job could be completed. Today no such problem, because if your drawing specifies a particular size then that's what your order from the Timber yard. Sometimes "the good old days"weren't so good.
 
I did a job just like this a few years back and we used an oversize sole and head plate and staggered the studs front to back so that the plasterboard on each wall was on a different stud and the insulation was just on one side so there was an acoustic gap.
It made no difference as a window bridged the gap between the two rooms and there was a suspended ceiling above.
You can only do what you are told to do.
 
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