4 ms·
Wow, I have not seen these since I cracked one of my 70's era homesteading books. Then they were using an inflatable bladder and spray foam rather than prefab s
by dan_the_welder 17y ago
Wow, I have not seen these since I cracked one of my 70's era homesteading books. Then they were using an inflatable bladder and spray foam rather than prefab segments.