Durable floors / Guides

Crawl Spaces or Slab on Grade Foundations?
Foundations and Basements

Slab on grade or crawlspaces, which is better?

...durable, a slab on grade or a crawlspace? If you read anywhere online that they are comparable in terms of durability or functional life span, then close that window and open another . A properly-insulated slab of concrete resting on high-ground with a frost-protection skirt will outlast a house built on a crawlspace...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...floors need not span so great a distance. 2. The air / vapour barrier can be installed on the exterior of the inner wall. This allows it to go past interior partitions and electrical boxes and the boxes do not need to be wrapped and sealed against air leakage. 3. The common method of construction of double walls ...