Garry Nutter wrote:

As i only have 8 rafters i was going to sister a furthur 150*50 to each
rafter, and tie them in at the top, to make a triangle. Could i get
away with 150*50, coudnt find any information on the web of the correct
size for this.

I've more often seen 2x4 used on old houses. But you need to put in
whatever the regs say now, for some reason.


NT