On top of Douglas College in New Westminster, Canada a green roof is installed in 2010. Sempergreen USA supplied Sedummix blankets for this roof, which measures 15,500 sq.ft. Douglas College is one of the largest public colleges in British Columbia.
On top of Douglas College in New Westminster, Canada a green roof is installed in 2010. Sempergreen USA supplied Sedummix blankets for this roof, which measures 15,500 sq.ft. Douglas College is one of the largest public colleges in British Columbia.
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