Unfinished red oak tread nosed return is made for interior stair construction from attractive natural oak.
Stair tread nosing depth.
Stair tread nose curve radius 9 16 or 1 2 in some codes.
Treads and risers 1 except as permitted for dwelling unitsand by sentence 3 4 7 5 1 for fire escapes steps for stairs shall have a run of not less than 255 mm and not more than 355 mm between successive steps.
10 to 11 inches minimum.
2 steps for stairs referred to in sentence 1 shall have a rise between successive treads not less than 125 mm and not more.
For a typical staircase the stair tread must measure 8 1 4 inches to 9 inches deep measure 1 inch thick or more and have a maximum 1 1 2 inch deep nosing.
For stair treads less than 9 inches deep secure a new deeper tread directly on top of the existing tread.
Screw nosing into place to protect the front portion of the stair and provide a slip resistant surface.
The tread depth is the distance from the front edge or nosing a tread projection that overhangs the riser below of one step to the front edge or nose of the next step measured horizontally.
Stair tread depths shall be 11 inches 279 mm minimum.
It is sold unfinished allowing you to finish it to match other red oak stair parts or decor.
For wood stairs use 4 wood screws.
4 100 mm min.
1 5 38 mm max.
Styles a and b are for use on wood or concrete stairs.
The greatest stair tread nosing projection shall not exceed the smallest nosing projection by more than 3 8 inch 9 5 mm between two stories including the nosing at the level of floors and landings.
A step tread is the flat horizontal surface that you walk on.
7 180 mm max.
For concrete stairs use concrete anchors with 4 screws.
So since the minimum tread size is 10 a nosing will extend the tread depth to between 10 3 4 and 11 1 4.
A nosing is not required where the tread depth is a minimum of 11 inches 279 mm.
Staircase tread run depth.
5 13 mm max.
The surewood lnl 13 in.
The ontario building code treads and risers 3 4 6 8.
11 280 mm min.
Unfinished red oak tread the surewood lnl 13 in.
Construction adhesive sold separately is for use between nosing and the front edge of the stair to prevent cracks.
Attaches to the ends of plain treads to create a return tread in open stringer stair designs.
A nosing is not required where the tread depth is a minimum of 11 inches 279 mm.
The stair riser must measure 8 to 8 1 4 inches high.
Stair tread nosing stair tread nosing projection past vertical riser below 3 4 to 1 1 2 required on stairs with solid risers.