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wattsup · 13-08-2008

They are normally 16" or 400mm centres if load bearing(floor above)

Sometimes 18" if not load bearing, upstairs ceiling etc..

13-08-2008	#18 (permalink)
wattsup Senior Member Join Date: Jun 2008 Posts: 240	Re: Best method to find joists ? They are normally 16" or 400mm centres if load bearing(floor above) Sometimes 18" if not load bearing, upstairs ceiling etc..
wattsup Senior Member Join Date: Jun 2008 Posts: 240