Drilling through the foundation, just this once

Unfortunately, the refrigeration tubing along with its thick insulation won’t fit through the 2-inch conduits that are neatly buried under the foundation to emerge inside. The work-around is to punch two 4-inch PVC conduits through the the North wall below grade. And to seal them thoroughly. The tubing to the mini splits will run through the fatter conduits.

Deck details and the first interior framing

Overview looking North West.Our first interior framing around the stairwell.North West corner detail.Mid-deck structural support for the future glu-lam (glued laminated beam).South West corner support for the glu-lam post.The sill with 14-inch i-beams crossing over a window.

Work begins on the deck

Rain has caused delay, so work on the deck began immediately after the slab was poured.

Our first LVL beam in place.The vertical metal straps cast into the foundation will attach to the future glue lam frame of the house.Detail showing the sill sealer gasket between the sill plate and the foundation. Also, the LVL beam above is glued in place. From the beginning of construction all joints and connections are carefully glued and sealed air tight on the passive house.Connection point on an i-beam glued and sealed in place.At the end of the first day, 14″ LVL and PSL beams installed.

Pouring the slab

Rain has caused delay. The slab is poured at the first opportunity of clear weather.4” of concrete poured on 10″ of EPS foam.Dan Gregg brought in extra hands for the slab pour.Dan and Rich from Dan Gregg foundations.Clearing our in-floor electrical outlet.Slab finishing.Edge polishing.Dan Gregg spent the day polishing the floor. The finished slab with expansion joints cut in place.The rain returned at the end of the day.

Laying down layers of rigid foam

Site overview on foam installation day.

The foam is brilliant white from the clear sun, making it hard to see inside the foundation.

Hand saw through 5 3/8″ EPS.

A table saw was used to cut long, straight sections by flipping the block over and cutting in from both sides.


Fitting the 5 3/8″ x 4′ x16′ blocks.

South end corner foam installation detail.


The revealed square of concrete will be filled up to level with the top slab concrete pour. It will support a structural column inside the house.