The 1960s were pretty close to the nadir in quality for residential construction in North America. Most of the old growth forests were already gone by that poin

The 1960s were pretty close to the nadir in quality for residential construction in North America. Most of the old growth forests were already gone by that point, and builders had yet to learn how to build durable structures with younger and engineered woods. Combined with primitive insulation, nonexistent air-sealing, and an extreme carpeting fetish, this lead so some of the worst residential structures ever built.