Get Results with D/2

Jefferson Market Library

The Jefferson Market Branch of the New York Public Library was designed by Frederick Clark Withers and Calvert Vaux and completed in 1877. Margot Gayle, EE Cummings and Lewis Mumford lead the effort to save it in the 1960s. Giorgio Cavaglieri was then hired by the NYPL to convert from a courthouse to one of its most unique branches.  Mae West was tried for obscenity and Harry K. Thaw was convicted of the murder of Stanford White at the courthouse. More recently, Joan Berkowitz specified D/2 for exterior stone and masonry cleaning in 2010.

Tags: buildings, brick, stone, New York City
MIT Building E52

MIT Building E52 is an Art Deco limestone building dating back to 1938. It was originally built for Lever Brothers and became the MIT Sloan School of Management in the 1950’s. Beyer Blinder Bell Architects was hired to complete the renovation and add a new addition. D/2 was specified to clean biological growth from the limestone facade.

Tags: buildings, stone, Massachusetts
Museum of Science & Industry

There's no job too big for D/2. The ornamented facades of this 400,000 sq ft Chicago Landmark were cleaned from top to bottom with D/2.

Tags: buildings, stone, Chicago
New York Public Library

The New York Public Library's landmarked Fifth Avenue building was designed by architects Carrère and Hastings in 1897 and completed in 1911. In celebration of the iconic building's 100th anniversary, it was given a facelift with D/2, washing away years of dirt and grime.

Tags: buildings, stone, New York City
Northwestern University Library

Northwestern University Library is a prime example of Chicago Brutalist architecture. It was completed in 1970 and designed by the acclaimed architect Walter Netsch of Skidmore Owens & Merrill. The cast concrete building was cleaned in 2015 using D/2 Biological Solution.

Tags: buildings, concrete, Chicago
Old San Juan

The city walls of San Juan, Puerto Rico are a part of the San Juan World Heritage Site. The walls were begun in the 1630s with construction continuing for the next 150 years. They average 42 feet in height and are also about 42 feet thick at their base. The National Park Service began cleaning the walls with D/2 Biological Solution more than 8 years ago.  The current project includes two distinct sections of the wall known as the Santa Elena and the San Augustin. Together they extend 2,600 feet. The Atlanta office of architects Lord Aeck Sargent have been retained by the NPS to write the cleaning specifications.

Tags: buildings, stone, National Park Service, World Heritage Site, Puerto Rico
The Alamo

Texans take the Alamo seriously. So, it's no small thing that they choose D/2 to keep it looking its best.

Tags: buildings, stone, Texas
The White House

The National Park Services trusts D/2 to keep America's iconic White House looking white.

Tags: buildings, stone, Washington DC, National Park Service
Tomb of the Unknowns

More than 4 million people visit hallowed memorial each year. D/2 is used to keep its Yule Marble looking flawless.

Tags: monuments, stone, Virginia
Veterans Administration

D/2 is used by the VA to clean over 3.5 million headstones each year

Tags: monuments, stone, cemeteries, Veterans Administration