Measurement guide
Before we start
Tools required
• Laser level
• Pencil and notepad and ruler
• A high quality tape measure
• The measurement pdf printed out
Important disclaimer
MetalStairs Co. is not responsible for errors in measurements provided by the client. Any order fabricated according to client-supplied measurements is considered correct as submitted. Additional charges apply for any modifications required due to incorrect measurements. If you have any doubt, contact us before submitting. We also offer an on-site measuring service, reach out to learn more.
If we install for you
Send us photos or a short video of the full path from your entrance to the install location. A straight stringer can be up to 15 feet long. The more we can see, the better.
Straight stringer
2 Straight stringers separated by an existing landing
General stair guidelines
Whatever the project, our team will provide recommendations based on the National Building Code of Canada. That said, it is the client's responsibility to verify requirements with their municipality and/or insurer to confirm what applies to their specific situation.
Stair dimensions
Rise: min 5" (125mm), max 7 7/8" (200mm), measured tread surface to tread surface
Run: min 10" (255mm), max 14" (355mm), measured nosing to nosing
Max nosing projection: 1" (25mm), rounded or beveled edge
Open risers (no kick plate) are legal as long as a 4" (100mm) sphere cannot pass through the opening
Headroom clearance: min 6'5" (1950mm) measured vertically from the nosing line
Guardrails
Required when the floor drop exceeds 24" (600mm)
Interior residential height: min 36" (900mm) measured from tread nosing
Baluster spacing: max 4" (100mm), no sphere larger than 4" can pass through
Guardrail must be structurally supported at a minimum of 3 points: top, bottom, and at least one mid-point
Handrails
Required on at least one side for any stair with 3 or more risers
Required on both sides when the stair width exceeds 42" (1067mm)
Height: min 34" (865mm), max 42" (1070mm) measured from nosing
Must be continuously graspable throughout the full length of the stair






