Dan Morrison | April 27, 2017

Video // Framing, WRB & Flashing, Windows & Doors, Insulation & Air Sealing

Cold Climate Passive House Retrofit in Connecticut

A collection of five videos on a Passive House Retrofit in Sharon, CT (climate zone 5) executed by Ben Bogie, Built to Last, LLC.

This is by no means an exhaustive disection of the construction process, but it gives a good overview of what they did, why they did it, and exactly how it was done.

This building has since been certified as PHIUS+ from the Passive House Institute US.


Thickening the Walls and Roof

Video // Framing

A Modified Larsen Truss Using I-Joists on a Passive House Retrofit

Screwing I-joists to the outside of a wall—really—makes a lot more room for insulation on a deep energy retrofit in NW Connecticut  

Video // Framing, Insulation & Air Sealing

Modified Larsen Truss Retrofit: I-Joists on a Roof

Framing a roof with I-joists over the existing roof makes a ton of room for insulation and offers a short lesson in vapor movement through assemblies

Window Installation

Video // WRB & Flashing, Windows & Doors, Insulation & Air Sealing

Installing an In-Betweenie Window (1): Sill Pan Flashing

Flashing an In-Betweenie window is a lot like flashing an Innie or an Outie, only it is somewhere in between

Video // WRB & Flashing

Installing an In-Betweenie (2): Jamb and Head Flashing

With the sill pan flashed, Ben turns to flashing the jambs of a window opening in this passive house retrofit

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