- ETW
This construction uses 2 layers of 2" foil-faced polyisocynaurate insulation against the concrete foundation and a 2x6 framed wall with R-19 unfaced fiberglass insulation in the stud space. The slab… Read More
Cold
- ETW
This construction uses 3 1/2" closed cell high density spray foam insulation on the interior of the rimjoist and foundation wall, and 2" XPS rigid insulation under slab. As shown below, the spray… Read More
Cold
- ETW
This construction uses 2" XPS rigid insulation against the concrete foundation and a 2x6 framed wall with R-19 unfaced fiberglass insulation in the stud space. The slab is insulated with 2" XPS rigid… Read More
Cold
- ETW
This construction uses 2" XPS rigid insulation against the concrete foundation and a 2x4 framed wall with R-13 unfaced fiberglass insulation in the stud space. The slab is insulated with 2" XPS rigid… Read More
Cold
- ETW
This construction uses 2" XPS slotted rigid insulation (attached to wall through 1x3 furring strips) and 2" foil-faced polyisocyanurate rigid insulation (attached to furring strips) against the… Read More
Cold
- ETW
This construction uses 2" foil-faced polyisocynaurate insulation against the concrete foundation and a 2x4 framed wall with R-12 cellulose insulation in the stud space. The slab is insulated with 2"… Read More
Cold
- ETW
This construction uses 1" XPS rigid insulation against the concrete foundation and a 2x4 framed wall with R-13 fiberglass insulation in the stud space. The slab is left uninsulated and the rim joist… Read More
Cold
- ETW
This retrofit house is located in Westford, MA (Cold Climate). It involved rebuilding the roof to convert the attic into living space using closed-cell spray foam insulation in the rafter cavities.… Read More
Cold
- ETW
This retrofit house is located in Quincy, MA (Cold Climate). It involved building an additional floor and a new unvented roof with two layers of 2” foil-faced polyisocyanurate rigid insulation above… Read More
Cold
- ETW
This retrofit house is located in Northampton, MA (Cold Climate). It involved adding two layers of 2” foil-faced polyisocyanurate rigid insulation above the roof deck and netted dense pack cellulose… Read More
Cold
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