May 2009
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Sprague and his girlfriend Jennifer Cornwell

From the article: Flashings
Issue: May 2009



Photo 1: The Jordan N. Carlos Middle School Art Building at Woodward Academy, Atlanta, features a vegetative roof system within trays elevated above the roof membrane.

Photos courtesy of Elizabeth J. Grant, Ph.D., Virginia Tech, Blacksburg

From the article: Obstacles & opportunities
Issue: May 2009



Photo 2: This filter fabric is covered with a thin layer of growth medium and plantings.

Photos courtesy of Elizabeth J. Grant, Ph.D., Virginia Tech, Blacksburg

From the article: Obstacles & opportunities
Issue: May 2009



Photo 3: The vegetative roof system atop Chicago's City Hall

Photos courtesy of Elizabeth J. Grant, Ph.D., Virginia Tech, Blacksburg

From the article: Obstacles & opportunities
Issue: May 2009



Intentionally inflicted mechanical damage to laminated asphalt shingles

Photos courtesy of Haag Engineering Co., Irving, Texas

From the article: Holy hail!
Issue: May 2009



A hail-caused puncture on a wood shingle

Photos courtesy of Haag Engineering Co., Irving, Texas

From the article: Holy hail!
Issue: May 2009



Hail-caused punctures and dents in soft slate

Photos courtesy of Haag Engineering Co., Irving, Texas

From the article: Holy hail!
Issue: May 2009



A hail-caused fracture along an overlay of a clay tile

Photos courtesy of Haag Engineering Co., Irving, Texas

From the article: Holy hail!
Issue: May 2009



An aerial view of one of the new solar roof systems at Stags' Leap Winery in Napa, Calif.

Photos courtesy of The Bright Group Inc., Napa, Calif.

From the article: A collaborative effort
Issue: May 2009


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