Single Stringer Straight Stairs by Acadia Stairs

High quality stairs made in America.
Precision, strength, beauty and safety.

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Single Stringer straight staircases

Specifications

Gallery

Acadia Stairs makes all kinds of straight stairs with metal structures

Single Stringer stairs give the most open look of any type of stair. These stairs have heavy-duty center beams that make the stair capable of handling 300 lbs per tread, and can go up nearly any height.

The single stringer can be made from:
- 4" x 6" steel rectangular tube
- 6" x 8" steel rectangular tube
- 6" x 6" steel square tube
- 6" x 6" steel square tube on diamond
- 4" round steel tube
- 6" round steel tube
- Tri-Frame stair configured from (3) pipes
& more

These stairs can be made in almost any configuration.
Straight-line
L-shaped
U-shaped (aka switchback stair or scissor stair)
Geometric winder treads
& combined with curved stairs or spiral stairs!

	The Single Stringer composed of a triangular frame. This stair is extremely rigid while giving the most open look of any stringer stair available today. Pictured on the right is one of our 3D stair designs. We can design your stair and present a 3D rendering to show you how the stair concept will work in your space. Each stair is tailored for rise and run. The picture on the right shows the actual stair being made right here in New York. The treads are laser cut. Then the riser supports are welded near the front of the tread, and the back of the tread is welded to the stringers. This stair is extremely strong, and can support 300lbs per step.
	The single stringer stair can have nearly any kind of tread and riser detail. This 3d Rendering of our mono stringer staircase shows a single I-beam support in the middle. It has a decorative riser support system that is welded to the tread plate to support wooden tread covers. The decorative riser support also reduces deflection over the width of the tread left to right. The modern feel of this stair can be accentuated by a variety of styles in the riser plates. Staircases like these can have a variety of finishes to match your decor.
	This I-Beam Single Stringer stair is a simple and semi-industrial looking staircase. It combines the steel I Beam with a simple steel plate riser wedges and tread plates with the wood steps. This is one of the least expesive ways to fabricate a mono-stringer type stair. Depending upon the span, larger I-Beams can be used to increase strength. The width of the stair can be up to 42" in this design without additional steel support under the tread. This modern stair can have a high-tech look with glass treads and stainless steel rails, or it can look more industrial with diamond plate steps and wrought iron railing.
	This is a single stringer staircase with a 4" x 4" steel tube structure. The 3/8" tread plates are supported by 3/8" plate riser wedges that are welded to the center support. The Single-Stringer Staircase can have a high-tech style when combined with stainless steel hardware, stainless steel railings, or it can take on an industrial look with diamond plate treads and a wrought iron banister. Call Acadia Stair's design consultants to go over your layout, connection points, and pricing. We will help you with optional treads, railings, spindles that are available for each model we make.
	This is a single stringer stair with oak treads. it has 4"x6" steel tube center stringer support with 4"x6" steel tube riser wedges welded flush to it. 3/8" plates are then welded to the riser wedges to support the treads. The tread plates are pre-drilled with counter sunk holes for the cleanest appearance on the under side. On the left is a rendering without the wood steps & on the right shows the stair with the wood tread covers.

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