Correct Gullies / Traps / Hoppers for Rainwater System

[Oz07]

1 hour ago, MortarThePoint said:

 

So do you cut a hole in the smaller rectangular grid? I was thinking of perhaps having the shoe over that part meaning the square section could be easily removed.

I do yeh I think they are designed for this as downpipe sits on fins and allows leaves to come out but your way with shoe be fine. Probably better