Deck - Under deck

I’ve begin to construct a deck in my backyard. Actually according to City of Calgary, any thing under 2′ is considered as patio, not a deck. Mine is borderline 2′.

A nice 10×18 deck package with Trex decking was ordered from Totem. I still need to get railings though.

To start, I’ve put down weed block for the under deck:
Weed Block - under deck