D/2 has been used to clean thousands of monuments across the country, preserving our history for future generations.
The Heinrich Heine Memorial, also known as the Lorelei Fountain was designed and fabricated in Germany for erection in Dusseldorf. It ended up on the Grand Concourse in The Bronx in NYC where it was moved several times and heavily vandalized. In 1999 the Municipal Art Society raised funds for its restoration. D/2 Biological Solution was specified for its cleaning. Joan Berkowitz was the conservator and still gives the fountain a light D/2 maintenance spraying every other year.
Coral Gables City Hall was completed in 1928 by architect Phoneas Paist. It is built of local oolitic limestone in the Mediterranean Revival style consistant with the other public buildings of Coral Gables. It is on the National Register of Historic Places. Rosa Lowinger & Associates were hired to restore and conserve the delicate limestone façade. D/2 Biological Solution was used for the cleaning that was completed in July 2015.
The Biltmore Estate is the largest private home in America. It was designed by architect Richard Morris Hunt for George Washington Vanderbilt. It took over six years to construct and was completed in 1895. Frederick Law Olmsted designed the 8,000 acres of cultivated landscape. The facades and much of the interior is Indiana Limestone. D/2 Biological Solution has been a significant part of their maintenance cycle for many years.
455 Central Park West’s restoration was completed in 2005. Built by John Jacob Astor III in 1884 as the New York Cancer Hospital it lay in ruins for more than 25 years until the architectural firms of RKTB and Perkins Eastman were retained to restore and convert it into luxury housing. Jablonski Building Conservation was retained as building conservator and specified D/2 Biological Solution for removal of biological growth from the various facade stone and masonry substrates.
Kohn Pederson Fox were the architects for Shearson Lehman Plaza, located at 388 Greenwich St. NYC, just a few blocks north of what was then The World Trade Center. It later became the Traveler’s Insurance Building. Now it is being transformed into the new Citigroup Headquarters and a major renovation is taking place.
The North and East facades of the 40 story skyscraper have been cleaned with D/2 Biological Solution. The building material is a fairly porous cast stone that that has attracted significant biological growth and air born pollutants. Work was staged from as many as twelve 30’ swing scaffolds.
Tishman Construction is overseeing the project. Brisk Waterproofing, a Division of Western Waterproofing was the façade cleaning contractor. Integrated Conservation Resources developed the cleaning specifications and supervised the work. D/2 Biological Solution was supplied by AH Harris.
Vizcaya Museum & Gardens was built in the early 20th century in the Coconut Grove area of Miami Beach. It is a fanciful architectural mixture of various Mediterranean Renaissance styles. Coquina, a soft local sedimentary rock was used for much of its construction. In recent years it has undergone a thorough and extensive restoration. Many notable building conservation firms including Conservation Solutions, Rosa Lowinger & Associates and Simpson Gumpertz & Heger have worked on the restoration. D/2 Biological Solution was used to remove the biological growth.