Mike wrote:

I was always told that you can do 400 for 9mm but get away with 600mm
with 12.5mm....


Yeah - so was I. Then a friend met a BCO with other opinions and although a
question here gave varied replies, there was no definitive source. Since
then me and him have played safe and used more wood.

Given that plasterboard is cheap and wood pricey, hardly seems worth
using 9mm in the circumstances then.

--
Cheers,

John.

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