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passive house retrofit east side
Photo courtesy of Edee Klee

Garth has designed a wrap-around insulation system for the house. They are taking off the siding, and adding wide Larsen trusses to the exterior to make space for 14 inches of additional blown-in cellulose insulation. While they have the walls open, they are wrapping the house completely with advanced membranes that stop air leakage but still allow walls to breathe. The roof is also being raised to add more insulation there.

The exterior finish will be natural live-edge wood siding, sustainably sourced from a local sawmill.

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Wayne Groszko

Renewable Energy Expert

Expert. Practical. Sustainable.

Article by

Wayne Groszko

Wayne Groszko is a consultant, researcher, and teacher in Energy Sustainability with 13 years of experience. He has taught at Dalhousie University and the Nova Scotia Community College, in the Faculties of Engineering, Environmental Science, and Energy Sustainability Engineering Technology. Wayne is also President of the Community Energy Cooperative of New Brunswick, and has worked as Renewable Energy Coordinator with the Ecology Action Centre in Nova Scotia. He holds a B.Sc. (Hon.) from the University of Calgary, and a Ph.D. from Dalhousie University.

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