I
iDIY
Hi Guys,
is it a job for an SE to do calculations, or is it ok to bridge a gap of 1.8m with an off the shelf catnic cavity wall lintel, provided it has 150mm either side?
is it a job for an SE to do calculations, or is it ok to bridge a gap of 1.8m with an off the shelf catnic cavity wall lintel, provided it has 150mm either side?