@ClovisMan painted his floor and under the roost with this...coating that he painted on. I cant remember what it was called but I think it was a rubber/latex type coating. May be something to look intoAnd I do live in a hot area (West Texas) where daytime temps in July/Aug can reach triple digits.
I think the main conversion areas will be:
much additional ventilation
cut a pop door
install roosts, with a screened poop board/pit
next boxes, perhaps with outside access for gathering eggs
cover wood floor with glasboard or something resistant to moisture/rot
windows with hardware cloth
make sure all gaps are sealed or secured
wire for electricity
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