Poplar House
Poplar House - Andover, NH
Walls and Roof
PERSIST/REMOTE technique. Liquid applied barriers when possible to prevent peel-back and other issues with pressure applied air barriers. Super Insulation, multi-layer, offset seams throughout project.
Subslab assembly
Two layers of 2.75" EPS, offset overlaps. Stego vapor barrier, mastic, tape sealed.
Subslab R-value
22.0
Slab edge assembly
Nudura ICF, with additional layer of 2.75" EPS to interior and overlap of sub slab EPS, to prevent thermal bridging.
Slab edge R-value
37.0
Foundation wall assembly
Waterproofing membrane, ICF Nudura block, with additional 2.75" EPS to interior. 2x4, and drywall to interior.
Foundation wall R-value
37.0
Above grade wall assembly
Siding, 1/2" minimum rainscreen strapping, one layer of 3.25" EPS, two layers of 2.75" EPS, seams offset, sealed, taped, liquid applied air barrier, OSB, blown-in cellulose, drywall
Above grade wall R-value
54.0
Cathedral ceiling assembly
standing seam, 5/8" plywood, cold roof vent, supplemental rafter/cold roof, 6 layers of 2.75 EPS, Vapor barrier, 1/2" OSB, barnboard strip sheathing (exposed to interior), exposed rafters.
Cathedral ceiling R-value
70.0
Roof Assembly
standing seam, 5/8" plywood, cold roof vent, supplemental rafter/cold roof, 6 layers of 2.75 EPS, Vapor barrier, 1/2" OSB, barnboard strip sheathing (exposed to interior), exposed rafters.
Roof R-value
70.0
Windows and Doors
Window Assembly:
Marvin Next Generation Triple Pane
Door Assembly:
Therma Tru
Average window U-factor
0.23
Solar Heat Gain Coefficient
0.22
Mechanical Systems
Space heating - Manufacturer & Model
Mitsubishi Mini Splits
Domestic hot water - Manufacturer & Model
A.O. Smith HPWH - 3.10EF
Domestic hot water - capacity
80 gal
Ventilation - Manufacturer & Model
Zehnder Comfofond 550
Lighting Manufacturer and Model
LED - unknown
Lighting Efficiency
Mechanical Equipment Installation Details and Comments
blower door to be done.
Envelope
Air Changes per hour, ACH50
1.00 ACH50
Air Changes per hour, CFM50
Walls and Roof
PERSIST/REMOTE technique. Liquid applied barriers when possible to prevent peel-back and other issues with pressure applied air barriers. Super Insulation, multi-layer, offset seams throughout project.
| Subslab assembly |
Two layers of 2.75" EPS, offset overlaps. Stego vapor barrier, mastic, tape sealed. |
|---|---|
| Subslab R-value | 22.0 |
| Slab edge assembly |
Nudura ICF, with additional layer of 2.75" EPS to interior and overlap of sub slab EPS, to prevent thermal bridging. |
| Slab edge R-value | 37.0 |
| Foundation wall assembly |
Waterproofing membrane, ICF Nudura block, with additional 2.75" EPS to interior. 2x4, and drywall to interior. |
| Foundation wall R-value | 37.0 |
| Above grade wall assembly |
Siding, 1/2" minimum rainscreen strapping, one layer of 3.25" EPS, two layers of 2.75" EPS, seams offset, sealed, taped, liquid applied air barrier, OSB, blown-in cellulose, drywall |
| Above grade wall R-value | 54.0 |
| Cathedral ceiling assembly |
standing seam, 5/8" plywood, cold roof vent, supplemental rafter/cold roof, 6 layers of 2.75 EPS, Vapor barrier, 1/2" OSB, barnboard strip sheathing (exposed to interior), exposed rafters. |
| Cathedral ceiling R-value | 70.0 |
| Roof Assembly |
standing seam, 5/8" plywood, cold roof vent, supplemental rafter/cold roof, 6 layers of 2.75 EPS, Vapor barrier, 1/2" OSB, barnboard strip sheathing (exposed to interior), exposed rafters. |
| Roof R-value | 70.0 |
Windows and Doors
Window Assembly:
Marvin Next Generation Triple Pane
Door Assembly:
Therma Tru
| Average window U-factor | 0.23 |
|---|---|
| Solar Heat Gain Coefficient | 0.22 |
Mechanical Systems
| Space heating - Manufacturer & Model | Mitsubishi Mini Splits |
|---|---|
| Domestic hot water - Manufacturer & Model | A.O. Smith HPWH - 3.10EF |
| Domestic hot water - capacity | 80 gal |
| Ventilation - Manufacturer & Model | Zehnder Comfofond 550 |
| Lighting Manufacturer and Model | LED - unknown |
| Lighting Efficiency | |
| Mechanical Equipment Installation Details and Comments |
blower door to be done. |
Envelope
| Air Changes per hour, ACH50 | 1.00 ACH50 |
|---|---|
| Air Changes per hour, CFM50 |