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22|July 2019
Five Limestones to Add to
Your Materials Library
Slippery rock Gazette
Saint Clair, Oklahoma Limestone
The versatility of natural stone in building applications is un- matched by any other material, and Saint Clair limestone is a great example. From pavers and carved balustrades to sleek coun- tertops, this light grey limestone elevates both classical and mod- ern designs with subtle veining and color. As Steffen Waite of Red Leaf Group described it, “luxe, yet subtle and quiet.”
(See www.slipperyrockgazette. net archives, December 2018 edition for a detailed look at this neoclassical mansion project built with French limestone).
You may know Saint Clair as Pacific Mist or Aleutian Marble. Saint Clair is a dolomitic lime- stone and has a higher concen- tration of magnesium compared to other limestones – which is why it’s able to take a high pol- ish where other limestones cannot
(hence the marble nickname).
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Above and below, left: Louvre Museum, Paris, France. From ama- teurs to connoisseurs, art lovers around the world recognize the Louvre as an art Mecca. A work of art itself, it was constructed with French limestone Chassagne. It became the museum we know today in 1793.
IFyour thoughts on limestone are sculptures and boulders
in parks, think again.
As varied in color and compo- sition as the spectrum of granites and marbles you love, limestone is a broad category of natural stone with applications as varied as kitchen counters and museum rotundas.
Over the last several years Polycor has quietly (and signifi- cantly) expanded its portfolio of limestones to offer architects, de- signers and landscape architects access to the same stone favored by the creators of the Louvre Museum and the Louis Vuitton Foundation building in Paris, the Empire State Building in New
Steven Schrenk
Polycor
French Limestone
Last year, Polycor acquired four limestone quarries in the Burgundy region making the famed French limestone stone available worldwide for heritage projects, modern architectural in- stallations, and even residential homes.
This natural French limestone collection includes 13 stones, varied in color and character, from creamy beige to golden yel- low, and consistent and uniform to shell inclusions and fossil fragments.
compilation of warm buff colors and medium gray tones. Subtle veining meanders throughout the surface creating a unique move- ment in this medium grained, standard grade stone.
Polycor added this limestone to its portfolio in 2018 when The Indiana Limestone Company and Polycor merged. Today Polycor quarries more than 2 million cubic feet of Indiana limestone per year for public buildings and
private residences.
In New York City, the architects
of Grand Central Terminal chose Indiana limestone as a cost effec- tive material that would withstand the ages (and NYC winters) while recalling classic architecture. It endures as a crucial part of New York’s aesthetic and historic iden- tity. You can still see evidence of the architects’ material selection process today.
Massangis Clair, Beige French Limestone
Indiana Limestone Full Color Blend
The magnificent Beaux Arts building that is Grand Central Terminal was designed by Reed & Stem and Warren & Wetmore in 1903 with Indiana limestone.
St. Clair Oklahoma Limestone, Fleuri Cut
York City and the Royal Alberta Museum in Canada. And what designers are doing with these stones in residential and com- mercial projects may get you to rethink that Carrara countertop in your next project.
Read on for five varieties of limestone you need in your ma- terials library.
Indiana Limestone
This iconic American stone quarried in Bloomington, Indiana grounds skylines, monuments and universities all over the United States.
Known for its uniformity and consistency, Indiana limestone is available in five varieties plus Full Color Blend, a natural, full range