Project Profile Columbus Square - New York City 150,000 sq. ft. Green Roofing at State-of-the-art Residential/ Commercial Building substrate over the entire surface. Flashings for drains and pipes are seamlessly integrated into the edge- to-edge membrane. The waterproofing system is rot and root resistant with FLL approval and provides a maintenance free substrate for a variety of overbur- dens, e. g. wood decking for the walkways, pavers on

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