PHIUS SIP ADU Bellingham WA

Location: Bellingham, WA

Project Information

Project Type: Residential, < 3,000 sq. ft.
Manufacturer: Premier Building Systems
Builder: Bellingham Bay Builders
Design Professional: [bundle] design studio, Dan Welch
Year Built: 2019

Performance

High Performance: No
HERS/EUI Index Score:
ACH50 - Blower Test Results:
kBtu/sq.ft./year:
CO2 lbs./sq.ft./year:

Exterior Wall 6" SIP (GPS insulation) 2x6 service cavity + dense packed cellulose
Floor Slab on grade 4" EPS (fully insulated footings)
Roof 12” SIP (GPS insulation) 2x8 service cavity + fiberglass insulation
Window Frame HH windows- wood with aluminum cladding
Window Glazing Cardinal (180-argon-clear-argon-180)
Entrance Door HH entry door
Ventilation Zehnder CA350
Heating System Mini-split
Submitter Dan Welch
Air-tightness .0427 cfm/ ft2 (envelope)
Certification Type: PHIUS+2015 - PHIUS+ Source Zero

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