The Bosarge Family Educational Center at the Coastal Maine Botanical Gardens
Walls and Roof
Subslab assembly
4” EPS rigid insulation
Subslab R-value
20.0
Slab edge assembly
4” EPS rigid insulation
Slab edge R-value
20.0
Foundation wall assembly
4” EPS rigid insulation
Foundation wall R-value
20.0
Above grade wall assembly
Dense pack cellulose in 11–7/8” I-stud cavity
Above grade wall R-value
40.0
Flat attic assembly
Dense pack cellulose in 16” I-stud cavity
Flat attic R-value
60.0
Windows and Doors
Window Assembly:
a. Windows: Low-e, tri-pane, argon filled, FSC certified
i. 0.16 U-value, 0.24-0.16 SHGC, 0.57-0.629 VLT
b. Skylights (Type 1) 16 mm nanogel-filled polycarbonate inner layer
i. 0.154 U-value maximum
c. Skylights (Type 2) Triple-glazed, low-E2, argon filled, 0.27 U-value
Door Assembly:
Exterior doors, Low-E2, tri-pane, argon filled, 0.42 U-value
Average window U-factor
0.16
Solar Heat Gain Coefficient
0.20
Visible Light Transmittance
0.60
Door U-Factor
0.42
Mechanical Systems
Space cooling - Manufacturer & Model
Mitsubishi
Space heating - Manufacturer & Model
Mitsubishi
Domestic hot water - Manufacturer & Model
Solar domestic hot water
Ventilation - Manufacturer & Model
ERV
Lighting Manufacturer and Model
Lighting Efficiency
Walls and Roof
| Subslab assembly |
4” EPS rigid insulation |
|---|---|
| Subslab R-value | 20.0 |
| Slab edge assembly |
4” EPS rigid insulation |
| Slab edge R-value | 20.0 |
| Foundation wall assembly |
4” EPS rigid insulation |
| Foundation wall R-value | 20.0 |
| Above grade wall assembly |
Dense pack cellulose in 11–7/8” I-stud cavity |
| Above grade wall R-value | 40.0 |
| Flat attic assembly |
Dense pack cellulose in 16” I-stud cavity |
| Flat attic R-value | 60.0 |
Windows and Doors
Window Assembly:
a. Windows: Low-e, tri-pane, argon filled, FSC certified
i. 0.16 U-value, 0.24-0.16 SHGC, 0.57-0.629 VLT
b. Skylights (Type 1) 16 mm nanogel-filled polycarbonate inner layer
i. 0.154 U-value maximum
c. Skylights (Type 2) Triple-glazed, low-E2, argon filled, 0.27 U-value
Door Assembly:
Exterior doors, Low-E2, tri-pane, argon filled, 0.42 U-value
| Average window U-factor | 0.16 |
|---|---|
| Solar Heat Gain Coefficient | 0.20 |
| Visible Light Transmittance | 0.60 |
| Door U-Factor | 0.42 |
Mechanical Systems
| Space cooling - Manufacturer & Model | Mitsubishi |
|---|---|
| Space heating - Manufacturer & Model | Mitsubishi |
| Domestic hot water - Manufacturer & Model | Solar domestic hot water |
| Ventilation - Manufacturer & Model | ERV |
| Lighting Manufacturer and Model | |
| Lighting Efficiency |