J Jerrkan #1 Member · 11 posts 8 Nov 2021 at 12:34 PM Jerrkan Member 11 posts 8 Nov 2021 at 12:34 PM #1 Hello, I'm in the process of tearing down some additional walls in the basement and the plaster has come off in some places, revealing a dark brown/black rubber-like material. It's about 3-4 cm thick. The house is from 1959. Does anyone know what this is? // Erik Last edited: Nov 8, 2021 #material #polish
Hello, I'm in the process of tearing down some additional walls in the basement and the plaster has come off in some places, revealing a dark brown/black rubber-like material. It's about 3-4 cm thick. The house is from 1959. Does anyone know what this is? // Erik