What is the point of alternating tread stairs?

Space-saving. “On a conventional stair, each foot uses about half of the tread and then steps over an unused section,” Beery says. The alternating tread stair eliminates this unnecessary gap, reducing its horizontal run and opening up floor space.

How do alternating tread stairs save space?

In an alternating tread stair design, half of each tread is removed. It’s designed such that treads alternate for each foot. One step is wide on the right side; the next step is wide on the left side. Alternating stairs also feature a staggered step design that increases tread depth at steeper angles to save space.

What are modular stairs?

Modular stairs are a type of modern and light staircase that is typically installed in the home. These stairs can also be installed in narrow passageways or tight spaces that wouldn’t usually be hospitable to conventional stairs or ladders.

What is an alternating tread device?

The IBC defines an ALTERNATING TREAD DEVICE as a device that has a series of steps between 50 and 70 degrees from horizontal… in an alternating manner so that the user does not have both feet on the same level at the same time.

Do alternating tread stairs meet code?

An alternating tread device is another type of stair system that the code provides guidance on. However when provided it is very clear that the code does not allow alternating tread devices to be used in-lieu of conventional stairs as a means of egress.

What are alternating tread devices?

Are space saving stairs legal?

* There is a type of staircase called a “space-saver” or “Paddle tread” that rises at 55 degrees, it is legal due to its design, you can see this type of stair by clicking on “Conversion types” then staircase.

Can you buy prefab stairs?

You definitely can buy premade deck stairs. Whether you’re looking for a large project option or a quick fix, there is an option for you out there. Premade deck stairs can be bought at any place that sells premade stair kits like Paragon Stairs, the same as other stair types.

What are alternatealternating tread stairs?

Alternating tread stairs are custom built to your exact height specifications. See below for pricing in six-inch increments; get a quote for custom stair heights. All pricing information is presented in good faith and believed to be correct at the time of publishing. We reserve the right to change prices at any time without notice.

What are the specifications for carbon steel alternating tread stairs?

Pricing and specifications for carbon steel alternating tread stairs with a powder coat finish STAIR HEIGHT OVERALL/HANDRAIL HEIGHT STAIR RUN WEIGHT PRICE STAIR HEIGHT STANDARD OPTIONAL 56° 68° 36″ 78″ 41.75″ 28.93″ N/A 42″ 84″ 47.75″ 33.11″ 76.944# 48″ 90″ 53.75″ 37.25″ 84.936#

How big is a 68 degree tread on a stair?

Capacity Silver Steel Alternate Tread Stair 68 Degrees 30 In. x 23-1/2 In. x 90 In. 350 Lb. Capacity Yellow Galvanized Alternate Tread Stair 68 Degrees 30 In. x 23-1/2 In. x 90 In. 350 Lb.

What is the point of half step treads?

The idea behind them is your foot only uses half of the stair, so you can cut the other half out to allow more step up room between treads that would otherwise overlap – The space savings of a ladder but will full treads and a reasonable rise. I personally love them, but some people find them confusing.