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nick penfold · 03-03-2008

building regs state that holes in joists should be no more than one quarter the depth of the joist.

03-03-2008	#4 (permalink)
nick penfold Junior Member Join Date: Feb 2008 Location: Cornwall UK Posts: 14	Re: Waste through joists building regs state that holes in joists should be no more than one quarter the depth of the joist.