This is our first PHIUS Certified Passive House project.

The EPS foam forms prior to install.
12″ Thick EPS perimeter beam bottom on pea stone.
12″ Perimeter EPS beam bottom on top of pea stone.
Geo tube starting to get laid in.
Geo tube ready for sand cover.
Covering geo tube with 6″ of compacted sand.
Compacted sand covering geo tube.
Plumbing and radon vent dug in.
Pea stone below foam.
12″ EPS sub slab foam.
EPC Foam form completed.
Completed EPS foam form, ready for airtight control layer.
15Mil vapor/radon barrier beginning airtight control layer.
4×4 Rebar on completed vapor/radon barrier. Ready to pour.