broke parts of the roof , didn't fix, had to call, they fixed it, the air ducts on the roof where not bolted properly, now we have problems during winter and are trying to contact them but they're ignoring any contact. The way they work is careless and they chose the easy way, by slamming heavy materials 100 pounds plus on your roof so the insides of chandlers ect are broken. For the cherry on top, they added extra charges even after we signed a contract saying that he wouldn't. If you want expensive and badly done work and being treated like a number to being ignored, please give couvreurs duro-toit a call today! LAVAL RESIDENTIAL.