Building Envelope – The Edge

Epsten Group, Inc.
Building Envelope
Roof
Type White thermoplastic polyolefin (TPO) membrane/vegetated roof area
Overall R-value R-32
Solar Reflectance Index 110
Walls
Type Concrete block
Overall R-value R-22
Windows
Solar Heat Gain Coefficient (SHGC) 0.28
Visual Transmittance 42%
Location
Latitude 33.75°
Orientation North
Key Sustainable Features
Water Conservation Dual-flush water closets; waterless urinals; low-flow lavatories; low-flow showers; low-flow kitchen sinks.
Recycled Materials Carpet; countertops; furniture; task seating.
Daylighting Centrally located roof monitor; windows surrounding three sides of perimeter.
Individual Controls LED task lighting at each workstation; multi-level controls in shared spaces.
Transportation Mitigation Strategies Employee benefit for alternative transportation use; covered bicycle racks; employee shower; downtown location.
Other Major Sustainable Features 5 kW photovoltaic system; 97% of the existing building shell was reused.