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Do you install stair treads or risers first?
When installing stairs, install the riser first, and then the tread. Start at the bottom of the stairs and work your way up, alternating risers and treads. The back of each tread will sit flush against the riser.
Does stair tread go under riser?
Many contractors start with the bottom riser and work their way up the staircase alternately installing each tread and riser. Some contractors prefer installing the riser first, then installing the tread against the riser, fastening the riser to back edge of the tread with screws (Diagram A).
What is the code for stair treads and risers?
The stair riser code is up to 7.75 inches, and can not vary more than 3/8 of an inch. The tread depth code for residential stairs should be no less than 10 inches with nosing, no less than 11 inches without nosing, and maximum tread depth variation should also be less than 3/8 of an inch.
How thick should stair risers be?
According to general specifications, your stair riser thickness should be no less than ½”. In fact, many professionals recommend risers with a thickness of ¾”. It’s also important to note that if you do build a closed riser staircase, your stair treads will need to have a note as well.
Can I use 2×10 for stair treads?
It is acceptable and within building code guidelines to use either 2×10 or 2×12 dimensional lumber to create a set of stairs; however, a stair stringer should not be less than 3.5 inches wide at its narrowest point to provide adequate strength for the load the stairs will be supporting.
Should you nail or screw stair treads?
Don’t fasten treads and or risers with only nails or staples. The adhesive is much more important than the fasteners. There will be times when fastening may be limited, so a good adhesive is critical. Rely on the front edge of the riser for your level surface.
How much should a stair tread overhang the riser?
Stairs must have an overhang between 3/4″ to 1-1/4” to increase the depth of the step, making it better for descent while maintaining a clear 10-inch going for the ascent. Treads that are 11-inches deep or greater do not require an overhang.
Do risers go behind or on top of threads?
4 Answers. The riser is installed first for the reason that you want a nice tight fit along the top of the riser to the tread above it. There is always the possibility that there is a small variation in the width of the riser boards or the height of the notches cut in the stair jacks.
How do you fix a gap between riser and tread?
Riser-to-Tread Gap Place the cove molding face up across two sawhorses. Measure the width of the stair tread where it meets the riser. Apply a bead of construction sealant to the back of the molding. Apply colored silicone caulking to stringer gaps. Cut the tip off of a tube of colored silicone with a utility knife.
Does riser height include tread thickness?
The maximum riser height shall be 8 1/4 inches (210 mm) and the minimum tread depth shall be 9 inches (229 mm) plus nosing. The greatest riser height, tread depth, and nosing projection, within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9.5 mm).
Are stairs required to have Risers?
Basic OSHA Stair Requirements In summary, OSHA-compliant fixed stairs must have: Treads (the horizontal stair element you step on) that are at least 10 inches in depth and no more than 14 inches. Risers (the vertical element connecting treads) that are no less than 6 inches in height and no more than 7.5 inches.
What is code height for a step?
Standard Stair Riser Height Requirements OSHA 1910.25(c)(2) requires standard stairs to have a maximum riser height of 9.5 inches (24 cm). IBC 1011.5. 2 requires that stair riser heights shall be 7 inches (178 mm) maximum and 4 inches (102 mm) minimum.
What is a good rise and run for stairs?
Over the years, carpenters have determined that tread width times riser height should equal somewhere between 72 to 75 inches. On a main stair, the maximum rise should be no more than 8 1/4 inches and the minimum run should be no less than 9 inches.
What can I use for a stair riser?
White Oak: The Premium Wood Option for Stair Risers. Poplar: A Versatile and Yet Lightweight Option for Stair Risers. Hard Maple: Offers A Handful of Color Options. Pine Wood: The Budget Choice for Your Stair Risers.
Can I use plywood for stair risers?
Risers do not have to be made of any thick material, as they provide only minimal structural support. Therefore, they can be made of ½” thick plywood or OSB . Those are normally installed first, with the treads following.
What is a good wood for stair treads?
Oak Stair Treads Oak is a common type of wood for stair treads. It has a lot of positive qualities that make it a good option. Oak matches virtually any home style and is among the most durable of wood species.
Can you make a stringer out of 2×10?
Pressure-treated or cedar 2×10 or 2×12 can be used depending on the depth of the cut-outs you’ll be using. By code you will need a minimum of 3-1/2″ of material left on the stringer after the cut-outs and that area should also be free of large knots which would weaken the stringer.
What size lumber is used for stair stringers?
The stair stringers are essentially the backbone of your staircase. Always use straight, high-quality, pressure-treated 2x12s for stair stringers. If you are planning on resting the stringer on the ground, make sure the wood has .
How tall is a 5 step stringer?
Stair Stringer-5 step Redwood (Common: 60 in. x 11 in.; Actual: 1.5 in.
