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No. 1299 Project Kendra St Residence Status Certified
Lead CPHC Ben Wolk-Weiss
Builder Habitat for Humanity Location Corvallis, OR
QA/QC Rater Marc Creguer Architecture Planning Zoetic Architecture Mechanical Systems Designer Zoetic Architecture
Constr. Type Timber Bldg. Function Single Family Floor Area 1302
Project Type New Construction HERS Index 40 LEED Rating
Energy Star Rating Heating Degree Days Cooling Degree Days
Units 1 Certification Type PHIUS+2015 Certification Date May 4, 2018
Exterior Wall 2x6 @ 24" OC. structural framing with 8" deep site-built larsen trusses filled with dense-pack fiberglass for a total of R-50. Sheathing is 7/16" OSB taped with SIGA Wigluv for the air barrier. The exterior layer of sheathing is 5/8" Denglass to allow the larsen truss to dry to exterior due to the higher perm rating of Densglass compared to OSB.
Floor 7/8" OSB subfloor over 11-7/8" wood I-Joists with site built joist extensions to overinsulate the joists to prevent condensation on the bottom side and increase insulation levels without increasing joist depth. Blown-in fiberglass insulation was used for a total value of R-68
Roof Asphalt shingles on shop-built trusses. Attic is filled with blown-in cellulose. R-80
Window Frame Alpen 525 Fiberglass windows: U-0.213
Window Glazing Alpen Triple pane U-0.136
Entrance Door Thermatru door with multi-point locking hardware: R-10.5
Ventilation Zehnder Comfoair 350
Heating System LG Minisplit heat pump.
Submitter Ben Wolk-Weiss
Air-tightness Final: 0.03 cfm/ft2 (0.72 ACH50) | Target: 0.05cfm/ft2 (1.12 ACH50)
Cooling System LG Minisplit heat pump.
Additional Consultants Westside Drywall - Marc Cregeur
Additional Notes

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