Helical Pier Foundation Details
Let’s say you buy into the embodied carbon discussion, and try to eliminate concrete by building atop these new-to-residential helical steel piers, which promise to set you up structurally with zero excavation.
What else do you need to do, for a PGH in a mixed-humid climate?
Are vented crawlspaces still verboten? Do you try to condition the crawlspace? What’s the perimeter look like – do we have to put in concrete *there*? If so, how do you connect that thermal barrier to the exterior walls? Are you trying to thermally break these piers (anchored deep in the Earth and a near-perfect thermal conductor)? What’s the best sort of insulation scheme for the floor generally? Are there vapor barriers used anywhere?
GBA Detail Library
A collection of one thousand construction details organized by climate and house part