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What is spacing for ledger board that spans 4.3m long and is beating on internal leaf block work?
The board is 7x2 the rafters will sit on top off the ledger board.
I was thinking 750mm centres staggered but starting at 200mm from bearing.
I'm using 140mm m12 through bolts.
Thanks
The board is 7x2 the rafters will sit on top off the ledger board.
I was thinking 750mm centres staggered but starting at 200mm from bearing.
I'm using 140mm m12 through bolts.
Thanks