An underground house. We used Turbo Poly seal to fix the leaks. Sealing concrete walls from leaking. Rodents ate on the plastic that was covering the outside concrete walls and roof of this underground house. See how to repair thisDid you miss our previous article... https://preppervideos.club/Underground-Retreats/underground-bunker-tour-using-ww2-well-and-shipping-container-buried-in-my-back-garden
