it will be supporting 2mx3m thermolite type blocks , which are 3" thick and half inch sand cement plaster on both sides, no other loads.
the lintel will be 2m long and of course needs to be only 75mm wide.
I thought a catnic or such box lintel would be ample
the lintel will be 2m long and of course needs to be only 75mm wide.
I thought a catnic or such box lintel would be ample