Where does one buy wood in Ottawa

[ancalagon_tb]

Hello

I need wood - specifically, plywood, cut to my specifications. If you must know, it turns out that the Ikea bed "sultan bed slats" are not compatible with, ah, couple activities.

I called Preston hardware, which is conveniently close to my location, and they don't sell wood. Home Depot does - and will cut it for you - but I was wondering if there were other places in Ottawa where one can buy lumber

thanks!