Roth & White Residence
Walls and Roof
Subslab assembly
3-inch-thick bed of closed-cell spray foam
Slab edge assembly
Insulated ICFs
Slab edge R-value
22.0
Foundation wall assembly
Insulated ICFs
Foundation wall R-value
22.0
Above grade wall assembly
ICF walls 11.25-inch-thick ICF walls, consisting of a 6-inch concrete layer sandwiched between
two layers of EPS rigid foam
Above grade wall R-value
22.0
Flat attic assembly
12 inches of foam (2 inches of closed-cell spray foam, then hybrid open-cell spray foam)
Flat attic R-value
60.0
Windows and Doors
Average window U-factor
0.20
Solar Heat Gain Coefficient
0.23
Mechanical Systems
Lighting Manufacturer and Model
Lighting Efficiency
Envelope
Air Changes per hour, ACH50
0.28 ACH50
Air Changes per hour, CFM50
Walls and Roof
| Subslab assembly |
3-inch-thick bed of closed-cell spray foam |
|---|---|
| Slab edge assembly |
Insulated ICFs |
| Slab edge R-value | 22.0 |
| Foundation wall assembly |
Insulated ICFs |
| Foundation wall R-value | 22.0 |
| Above grade wall assembly |
ICF walls 11.25-inch-thick ICF walls, consisting of a 6-inch concrete layer sandwiched between |
| Above grade wall R-value | 22.0 |
| Flat attic assembly |
12 inches of foam (2 inches of closed-cell spray foam, then hybrid open-cell spray foam) |
| Flat attic R-value | 60.0 |
Windows and Doors
| Average window U-factor | 0.20 |
|---|---|
| Solar Heat Gain Coefficient | 0.23 |
Mechanical Systems
| Lighting Manufacturer and Model | |
|---|---|
| Lighting Efficiency |
Envelope
| Air Changes per hour, ACH50 | 0.28 ACH50 |
|---|---|
| Air Changes per hour, CFM50 |