Project – Blocks
To honour a memory and commemorate history, timeless natural stone is the obvious choice. At Polycor, we are particularly proud of our contribution to the creation of these monuments.
Added value
Enhancement of urban heritage
Unmatched durability
Our clients
- Municipalities
- Architects
- Landscapers
- Residential clients
Blogs

Facades Systems: Characteristics and Performance of Cast Stone Vs Natural Stone
It’s essential for architects to know how the material chosen for a project will perform under a variety of conditions and circumstances. Architects are faced with many building material options, but for designs or applications that call for cladding stone, there are fundamentally two options: natural stone or cast stone – also called manufactured stone, precast stone, or manmade stone. Each of these has their own pluses and minuses. Let’s take a closer look at each.

Once Abandoned, Grand Old Buildings Are Now At the Forefront of Modern Architecture
Photo by Gensler
Turn-of-the-century post offices in major urban centres are among America’s most architecturally significant buildings. But, as the postal industry waned with the advent of electronic communication, the remarkable buildings these institutions often inhabited were often vacated and abandoned.
Such was the case with the Old Chicago Post Office: The Beaux Art splendor was designed by Graham, Anderson, Probst & White. The original portion was completed in 1921 as a brick-side post terminal. By the time of a 1932 expansion that saw it grow to 2.8 million-square-feet, the new addition with a new INDIANA LIMESTONE™ clad exterior, it was America’s largest post office.

Celebrate Indiana Limestone Month With A Walking Tour of Chicago
We’re celebrating Indiana Limestone Month with a look at how this fine natural stone helped build much of Chicago’s storied skyline, and its role in turning the city into a top architectural destination.
Indiana Limestone’s place in Chicago’s history is a deep and durable one. Though it’s celebrated for its timelessness, it was a forward-thinking, future-minded move that helped create the link between limestone and the Windy City.