MU Architecture have completed a two storey apartment located above a restaurant in Montreal, Canada. Description This residential project has been specially designed by MU Architecture to be in harmony with the style of the original red brick worker’s residence. The building required a significant structural intervention in the basement to straighten the skewed frame and support the new mezzanine. In addition, the ventilation system of the restaurant had to pass through the floor and occupy much of the existing roof. Therefore, it was necessary to carefully conceal the shaft within the volume of the new addition. The main access stair leading from the street to the first floor was extended into a second staircase leading to the mezzanine. The stair treads and risers consist of a folded solid wood plane, while a single sheet of tempered glass serves as the guard rail. On the first floor, the original structure wall was replaced by a single beam system creating a large, bright and