I used a 6mil plastic on the walls and floor. I am using ground cover stakes (pins) to hold the bottom plastic sheet in place. Pins are overlapped with the top plastic sheet and sealed. I used 6mil because do not plan on going under the house often. Make sure to clean all sharp objects out...
I am a DIY home owner. I am working in my crawl space removing mold and fixing the vapor barrier. In the area I live it is recommend to have 1.5" to 2" thick foam board on the walls. Currently the walls are covered with 3/4" foam board (glued and screwed in place). What is the best way to add...
