Manufacturers / Columbia Green Technologies

A Portland, Oregon maker of green roof and amenity deck systems, including interlocking recycled polypropylene green roof trays (pre-grown and planted-in-place), layered extensive, semi-intensive and intensive vegetative roof systems, rooftop container planting assemblies and regionally blended growing media, alongside pavers, pedestals, foams and plants it supplies for roof decks. Its green roof systems page says its products are made in the USA and support stormwater rules, LEED and Living Building Challenge requirements, and its tray technical sheets list a manufacturing location in Washougal, Washington. The contact page gives its address as 79 SE Taylor Street, Suite 201, Portland, while its technical information sheets print Suite 102 at the same street address.