Waterloo (ON) P1, P3, A1, and Car 23 were dispatched to a confirmed fire at 515 Conestoga Road January 6, 2018 at 21:50. Waterloo Regional Police responded to the building for a burglar alarm and discovered the fire. Car 23 had P4 added to the call as P3 was down one firefighter from a med call. P3 arrived and reported they had smoke coming from the large building and requested P1 pick up a hydrant on the way in. Firefighters pulled a 2.5” line and went into the building to attack the fire. A second 1.75” line was also charged and put to work inside the car repair shop. The fire was knocked down in 15 minutes. Overhaul took another hour. Box 690 provided rehab at the fire, pictures taken 20 minutes into the call. Temperatures were a bone chilling -11 F. This was our second fire of the day having provided rehab at a large fryer fire in a poultry plant in Cambridge.