Building Envelope – Bullitt Center

Roof
Type: Styrene-butadiene-styrene (SBS) modified on wood decking, rubberized asphalt on concrete
Overall R-value: R-40
Walls
Type: Steel stud, continuous exterior insulation
Overall R-value: R-25
Glazing Percentage: 40%
Basement/Foundation
Slab Edge Insulation R-value: R-10
Basement Wall Insulation R-value: R-10
Basement Floor: R-10
Under-Slab Insulation R-value: R-10
Windows
Effective U-factor for Assembly: 0.25
Solar Heat Gain Coefficient (SHGC): 0.32
Visual Transmittance: 0.56
Location
Latitude: 47.5° N
Orientation: NW/SE