Kinzler Helps Renovate 107-Year-Old Minneapolis Home for Net-Zero Performance

Kinzler insulates rafter bays with closed-cell polyurethane foam, sprayed in from the top. The new roof assembly includes a layer of sheathing below the I-joist rafters. (Photo Courtesy: Zero Energy Project)

Kinzler Construction Services was recently hired as the insulation contractor to help renovate a chilly Minneapolis home to be net-zero in energy with no sacrifice in attractiveness, space, or comfort.

This renovation was one of the first in Minneapolis to use a relatively non-invasive method of insulating the foundation wall from the outside. Kinzler Construction Services removed a 4-inch-wide slice of dirt all the way down to the footings, then inserted a 1-inch foam sheet and 3 inches of sprayed closed-cell foam. The net insulating effect for the basement was R-30 while removing very little dirt.
Read more about how the refurbished Victorian home now makes more energy than it uses in this article from Zero Energy Project.

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