Building standards

RESIDENTIAL STAIRCASE BUILDING STANDARDS

Rampes and Balconies St-Sauveur holds the compulsory licence from the Régie du Bâtiment (RBQ). Source: https://www.rbq.gouv.qc.ca/en.html

The RBQ licence is mandatory for any stair installer or company in charge of the stair installation.

The Régie du bâtiment du Québec provides a registry of licence holders, allowing you to verify the contractor’s RBQ number.

  • Handrail height: from the stair nosing to the top of the railing 36″
  • Railing height: from the floor to the top of the railing 36″
  • Headroom height: 76 3/4 (1950 mm)
  • Height of the stair riser: between 5 3/4″ and 8″ … the ideal height is 7 1/160 (180 mm)
  • Width between the bars: maximum 4″ between the bars
  • Width between wall and handrail: at least 1 1/2″
  • Stair nosing: at least 1″
  • Depth of a stair: at least 9 1/4″
  • Stair tread: minimum depth 8 1/4″ … the ideal depth is 9 1/4″ (235 mm)
  • Width of the stairway: at least 34″
  • Distance between the stair stringers: maximum 47 1/4″
  • Thickness of a step for an open staircase: at least 1 1/2″