Plasterboard thickness

Oct 19, 2008 11 Replies
R

Hi, all.



Whilst there's major building work here, I've taken the opportunity to flood fill the place with co-ax from the head-end, and with cat6 from the network cabinet.



This has involved a certain amount of plasterboard cutting.



During patching, I've noticed that the original plasterboard seems to be an odd thickness. It's somewhere between 9.5 and 12.5. If I patch with



12.5, it sits noticably proud of the finished surface.

I guess I could use 9.5 and skim it to the finished level.



But any ideas why it seems to be non-standard?


70's build house.
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C

It's probably the 'old' Imperial 1/2" board.

Don.

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R

That was my thought too.

But I thought 12.5 was meant to be the same as 1/2 inch. ( basically a metricisation of 1/2 inch, like 9.5 was 3/8 )

Harmonisation without changing anything. Like 8' x 4' sheet material becoming 2440 x 1220mm.

Hmm. Perhaps with the change-nothing metricization, the tollerances changed enough to make things a bit off.

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R

It does if I have tons of 12.5 mm board, and no 9.5!

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R

Probably purchase some 9.5 and skim. You seem rather unnecessarily unhelpfull and agrassive in your tone.

The reason I asked is because there may have been some other possibility I hadn't considered.

Something like: " Oh, in the '70s there was a fad for 11mm board. You can still get it here:

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"

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G

You asked why something is not standard anymore,and if it isn't then why worry and ask the silly question of why it isn't.

You ever thought of dot&dabbing the PB that needs to be raised out to bring it level? rather than filling it out.

Simple,yes.

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T

In article , Ron Lowe scribeth thus

I've seen this before and its best to put the thinner stuff on then skim up to the required thickness....

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M

If it's just for small patches perhaps Bear Claw clips might do the job . I haven't actually tried them but they look as though they line up the front surface rather than the back.

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