Completed: April 2010
Owner: Andrew Sloat, RLA, ASLA
Location: Oak Hill, Austin, Texas
Building Type: Garden shed
Roof Size: 14' x 18' (252 sf) sloping to the south/southwest
Roof Slope: 1:12 (a little more than 4%)
Roofer: A.D. Willis Company Inc. Structural Engineer: Jeff Smith, Smith Structural Green Roof Type: Extensive, 4-inches deep
Green Roof System: (non-proprietary)
Sika Sarnafil PVC roof membrane
Colbond EnkaRetain and Drain, drainage/water retention mat
Wood Fascia w/ aluminum edge donated by Permaloc corp
Prairie Designs LLC Roof Rocks Soil: Hydrotech extensive Growing Medium
treated three different ways, in strips separated by Roof Rocks:
1) straight from the bags
2) with 1 1/2" of black clay soil underneath
3) with moisture retention polymer crystals added
