your right, it doesnt apply to plumbers.I have noticed that we have to keep to the 25% 40% centre line and no bigger than 25% of the depth of the joists.... however this doesn't seem to apply to plumbers!! I've seen 1"1/2 chopped in the under side of a joist before!!
yupDidn't think plumbers made holes too big... they're either too small or a good fit Is that 15mm copper for the gas??
just at the visible ends....I thought they had to use 22mm for most things now?!?!
Enter your email address to join: