It's concerning me. the team building it says it will drain through spaces between pavers and blocks but he doesn't know compost so this is a scary expensive experiment. There is a roof over it.
I live in PNW and have 3 chickens. Building "the garden coop" a henhouse elevated inside a run (see photo).The location is on a slight slope so building a retaining wall /foundation to set the coop on. The foundation consists of concrete pavers: manor block walls (see photo) that would be...