Randich Residence
Walls and Roof
Subslab assembly
6” Type II EPS with 10 mil poly air.vapor barrier taped to sidewall polyiso
Subslab R-value
24.0
Slab edge assembly
4” EPS
Slab edge R-value
16.0
Foundation wall assembly
Conventional 10” concrete foundation with 2” polyiso and 5 ½” densepack cellulose
Foundation wall R-value
32.0
Above grade wall assembly
“Sandwich Wall:” a double stud 12" wall with dense pack cellulose in the 2x6 exterior and 2x4 interior frame walls, 24" on center exterior walls and 3” polyiso foam panels in the center – interior wall is for mechanicals
Above grade wall R-value
51.0
Cathedral ceiling assembly
Raised heel scissor truss ceiling: 24” loose fill cellulose over taped OSB sheathing air barrier – vented attic space
Cathedral ceiling R-value
84.0
Windows and Doors
Window Assembly:
Schuco E+ tilt turn
Door Assembly:
o U=0.106 SHGC 0.62 south and north facades
o U=0.088 SHGC 0.37 east and west facades
Average window U-factor
0.10
Solar Heat Gain Coefficient
0.55
Mechanical Systems
Space cooling - Manufacturer & Model
Fijitsu
Space heating - Manufacturer & Model
Fijitsu
Ventilation - Manufacturer & Model
Zehnder
Lighting Manufacturer and Model
Lighting Efficiency
Envelope
Air Changes per hour, ACH50
0.49 ACH50
Air Changes per hour, CFM50
Walls and Roof
| Subslab assembly |
6” Type II EPS with 10 mil poly air.vapor barrier taped to sidewall polyiso |
|---|---|
| Subslab R-value | 24.0 |
| Slab edge assembly |
4” EPS |
| Slab edge R-value | 16.0 |
| Foundation wall assembly |
Conventional 10” concrete foundation with 2” polyiso and 5 ½” densepack cellulose |
| Foundation wall R-value | 32.0 |
| Above grade wall assembly |
“Sandwich Wall:” a double stud 12" wall with dense pack cellulose in the 2x6 exterior and 2x4 interior frame walls, 24" on center exterior walls and 3” polyiso foam panels in the center – interior wall is for mechanicals |
| Above grade wall R-value | 51.0 |
| Cathedral ceiling assembly |
Raised heel scissor truss ceiling: 24” loose fill cellulose over taped OSB sheathing air barrier – vented attic space |
| Cathedral ceiling R-value | 84.0 |
Windows and Doors
Window Assembly:
Schuco E+ tilt turn
Door Assembly:
o U=0.106 SHGC 0.62 south and north facades
o U=0.088 SHGC 0.37 east and west facades
| Average window U-factor | 0.10 |
|---|---|
| Solar Heat Gain Coefficient | 0.55 |
Mechanical Systems
| Space cooling - Manufacturer & Model | Fijitsu |
|---|---|
| Space heating - Manufacturer & Model | Fijitsu |
| Ventilation - Manufacturer & Model | Zehnder |
| Lighting Manufacturer and Model | |
| Lighting Efficiency |
Envelope
| Air Changes per hour, ACH50 | 0.49 ACH50 |
|---|---|
| Air Changes per hour, CFM50 |