EPA Regional Programs


Jun. 19, 2013
Web-based Guidance for Green Roofs on Historic Buildings Now Available
Technical Preservation Services, of the National Park Service, has launched new web-based guidance, Green Roofs on Historic Buildings, with information on green roofs and how they are constructed, special considerations for installations on historic structures, and guidance for meeting the Secretary's Standards for Rehabilitation.

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Last Updated: July 16, 2014