600 Mass Avenue
Located among the finest that Washington, DC has to offer, this 10-story building offers over 400,000 square feet of multi-tenant space, including a Rooftop Garden, Fitness Center, and 20,000 square feet of retail space. The innovative and conscientious design has been created to achieve L.E.E.D Platinum Certification, which is the highest level of achievement in sustainability.
Architect: CORE Architecture
General Contractor: Clark Construction Group
Waterproofing Contractor: AndieMac Waterproofing
600 Mass Avenue incorporates the following Polyguard Products:
Underseal® Blindside™ Membrane – 73-mil, pre-concrete pour waterproofing membrane used for vertical positive side waterproofing.
Underseal® Blindside™ Membrane is used as a waterproofing membrane where vertical, positive-side waterproofing is required, but access to the positive side is impossible due to the soil retention system. Once the concrete is poured against the Blindside™ Membrane, the concrete cures, and a mechanical bond forms to secure the concrete to the membrane. Also, subsequent to concrete placement, cold flow of the waterproofing compound will take place and an adhesive bond will be added to the mechanical bond given by the fibers. With both a mechanical and adhesive bond, the concrete will be tightly sealed and bonded to the membrane, creating superior protection against moisture intrusion. 73-mil Underseal® Blindside™ can also be used in certain horizontal applications.
Poly Cover – Preformed dome shaped tie back cover made with heavy duty, high impact ABS plastic. It is designed to cover protruding tie-back bolts less than 6″ in height in lagging and retention walls prior to application of the Underseal® Blindside™ membrane.