Kehm Design & Consulting was hired as a third party consultant to coordinate structure, code and passive house detailing for this residence. One of our primary objectives was to provide a thermal bridge free, airtight, vapor open building assembly to meet the PHIUS passive house standards. Kehm Design was also hired as a construction consultant to assist the builder and various sub-contractors at key stages of the construction process as needed.
The attached photos show the details we provided being implemented at various stages of construction. The preliminary blower door result recorded at frame rough-in stage before windows, doors, and mechanicals installed was recorded at below 0.05 ach @ 50 pa.