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.
 
                    
                    
                    
        
        
  
  
        
        
  
  
        
        
  
  
                    
                    
                    
                    
                    
                    
                    
                    