CSL is a commercial, industrial roofing and waterproofing company that has been in the construction business since 1996. Serving Newfoundland and Labrador, we specialize in two main roofing systems/ lines that has the highest quality controlled requirements within those Manufactured organizations. Carlisle Syntec Systems Canada, that has been in business for 40+ years, is our single ply roof of choice for flat or low slope roof buildings while Truco Inc., who has been in business for 30+ years, is our preferred metal roof coating Manufacturer for dealing with the leak and rust issues associated with Pre Engineered buildings