Insulation for a mud room floor?

Leodin

Hi all,

First time poster and first time home owner (1927 fix me up before i fall down special)

I have a mudroom off the back of the house that is elevated about 3' off the ground. I want to insulate underneath the floor and close it off to the elements. I was wondering if once I got the insulation up should I put a vapor barrier and enclose it with pressure treated plywood?

Thanks

Leo

bjbatlanta

Vapor barrier won't hurt anything and p.t. plywood is overkill. Regular plywood properly caulked and painted will serve the purpose...

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tpolk

if you use reg ply put vapor barrier on ground also.imo

Leodin

Thanks for the info guys appreciate it!