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Cambridge Preservation Award

139 Main Street


Building Envelope Technologies (BET) was awarded and presented the Cambridge Preservation Award for our work with assisting on the restoration and renovation of the historic building enclosure at 139 Main Street located in Cambridge, MA. 139 Main Street is a structure comprised of two separate buildings; the first constructed in the late 19th century and the second constructed in the late 20th century. The original building includes a brick masonry and timber framed structure with low slope roof system characteristics and storefront on the first level with punched window openings on the upper 4 levels.  Unique characteristics include an open first floor level at the new construction so as to provide a series of parking stalls. The building was occupied by the American Red Cross and has been purchased by Massachusetts Institute of Technology Management Investment Company. In the context of due diligence during the acquisition of the property, it was determined that significant deterioration of the historic building structure occurs in the masonry for which BET has provided preliminary observations and recommendations for consideration. 139 Main Street is to be vacated and renovated in its entirety, also including concerns and consideration associated with the areas of masonry distress. These repairs will also include fenestration replacement and limited re-roofing so as to restore the overall integrity of the building enclosure.

BET is to assist the architectural team in the preparation of construction documents for repairs and restoration, including concerns associated with the building exterior and then assist in the administration of the contract for construction. BET is honored to have been selected as the building envelope consultant on this historic restoration project and to have this award presented to the company by the Cambridge Historical Commission.