The new multi-family building at 170 Cottage Street in Chelsea, MA, will provide much-needed affordable housing for the community. Designed to meet Passive House certification standards, the project features spacious apartments suitable for families, convenient access to a multi-modal pedestrian and bike path, a large community room, underground parking, laundry facilities on every residential floor, and generous open space. This project contains 18,000 square feet of the GreenGirt CMH Delta adjustable system and 1,000 square feet of the SMARTci building enclosure system.