- ETW
This summarizes an uninsulated basement even though the code requirements in DOE climate zones 4 and higher do not allow an uninsulated basement in new construction where the basement is conditioned… Read More
Cold
- ETW
This is another alternative to the minimum code required basement insulation in DOE climate zones 4 and higher. This construction uses a 2x4 framed wall against the concrete foundation with R-13… Read More
Cold
- ETW
This construction uses insulated concrete form (ICF) with 2" XPS rigid insulation on the interior and exterior of the concrete foundation wall. The slab is insulated with 2" XPS rigid insulation… Read More
Cold
- ETW
4" XPS rigid insulationDampproofingConcrete foundation wall2" XPS rigid insulation under slab Thermal ControlThis proposed wall system has an installed insulation R-value of R-20 and results in… Read More
Cold
- ETW
This construction uses continuous R-10 or R-13 batt insulation on the interior of the concrete foundation wall. The slab is left uninsulated and the rim joist is insulated with batt insulation. … Read More
Cold
- ETW
This construction uses 2x4 framed wall offset 2.5" from concrete with 6" open cell low density spray foam (R-21) between and behind the stud wall. The slab is insulated with 2" XPS rigid insulation… Read More
Cold
- ETW
The figure below shows 2" XPS or foil-faced polyisocyanurate rigid insulation and 6" open cell low density spray foam insulation installed on the interior of the rimjoist and foundation wall, and 2"… Read More
Cold
- ETW
This construction uses 2 layers of 2" XPS rigid insulation on the exterior of the concrete foundation wall. The slab is insulated with 2" XPS rigid insulation under slab and the rim joist is… Read More
Cold
- ETW
Dampproofing
4" XPS rigid insulation
Two 2" concrete foundation walls
2" XPS rigid insulation under slab
Thermal Control
This construction strategy has an installed insulation R-value of R-20,… Read More
Cold
- 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
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