> if you wanted it truly light weight Aircrete with a good sealant because obviously it would be even more porous than regular concrete https://www.youtube.co

> if you wanted it truly light weight Aircrete with a good sealant because obviously it would be even more porous than regular concrete https://www.youtube.com/watch?v=z4_GxPHwqkA https://www.youtube.com/watch?v=z4_GxPHwqkA