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This project included a re-roof of the existing built-up roofing system. The existing roof was removed down to the existing structural concrete deck and a new tapered insulating lightweight concrete deck system and modified bitumen, roofing and flashing system with a manufacturer’s 25 year NDL warranty was installed.
The project also consisted of investigating the exterior envelope of the building for water intrusion and detailing a waterproofing package for the building. This design included repairing deteriorated brick and spalling cast in place concrete, applying a water repellant to the exterior masonry and concrete, epoxy injecting cracked masonry, and replacing sealants at all controls and expansion joints, doors, windows and louvers.
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