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https://www.cement.org/cement-concrete/paving/buildings-structures/concrete-homes/building-systems-for-every-need/insulating-concrete-forms-(ICFs) https://www.c
by freshpots 4y ago
https://www.cement.org/cement-concrete/paving/buildings-structures/concrete-homes/building-systems-for-every-need/insulating-concrete-forms-(ICFs) https://www.cement.org/cement-concrete/paving/buildings-stru... these are not uncommon but concrete is not as cheap as it once was and isn't as environmentally friendly as wood. However, it is very durable and provides great insulation.
- amluto 4y agoGreat insulation? Wood has 5-10x the R value per inch of concrete, and wood framing tends to be mostly void space that can be filled with even better insulation. Concrete has thermal mass, which is not a real substitute for insulation.
- bergenty 4y agoThis isn’t even what I was talking about. This is barely one step above cinder blocks. You still have to assemble individual pieces manually and then fill them with concrete manually.