Can you use pressure treated wood 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 . 60 RET level.

How far can you span stringers?

The minimum recommended size for a deck stair stringer is 2×12, which has a maximum recommended unsupported span of 6 feet. Often this maximum span is dangerously exceeded, resulting in overspanned stringers that will deflect and cause the connection at the deck to pull loose and fail.

Can I use 2×6 for stair stringers?

You should attach 2×6 or 2×8 support framing under the rim flush to the bottom of the stringer. The stairs will hang here. For example, if each stair will be 6 3/8″ finished height, we will measure down 7 3/8″ to compensate for the missing stair tread. Mark the locations for the stringers.

How tall is a 5 step Stringer?

Stair Stringer-5 step Redwood (Common: 60 in. x 11 in.; Actual: 1.5 in.

Can I use 2×10 for deck stair stringers?

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.

Can I use 2×6 for deck stairs?

Stairs with more than three steps should be built using stair stringers. Most deck builders use 2×6 material to frame the stair boxes and use (2) 5/4×6 deck boards for each tread with a 1/2″ overhang over the riser board.

What is the height of a 6 step Stringer?

75 inches
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