1950s
                                                  The Early Days
- 1951 – IKO is founded in Calgary, Alberta by Isidore Koschitzky.
- 1954 – Shingle production begins in Calgary.
- 1958 – Rolled roofing and shingle production begins in Eastern Canada at the newly built Brampton, Ontario plant.
 
                     
                     
                     
        
        
   
   
        
        
   
   
        
        
   
  
 
                     
                     
                     
                     
                     
                     
                     
                    