For example a stair that is 60 wide might have two 2 x 6 steel tube stringers set apart 32 inches leaving 6 of overhang for the treads on each of the outer edges.
Double stringer stair.
A metal prefabricated staircase is supported by a metal stringer and it arrives to your home or the jobsite ready to install.
That means you ll receive all your parts stair treads metal stringer bolts and brackets in clearly labeled boxes ready to put together.
The modern and contemporary look is the hallmark of the double stringer staircase.
Learn more during your free consultation.
The double stringer is quickly becoming one of the most sought after design details on our ultra modern model 500 staircase and as an added bonus comes without all the cost risks and hassle of having a conventional channel stringer.
Double stringer floating stairs consistent performers.
Cut stringers can be spaced no more than 18 inches on center so a 3 foot wide staircase needs three stringers and a set of slightly wider stairs say 3 feet 6 inches needs four stringers.
Double stringer stairs are designed with two pieces of steel to support the treads.
Our double stringer allow light to flood into and across your room thus creating a very open and inviting environment.
In simple terms the double stringer re creates the effect of a channel without the need to resin in glass.
Using bigger steel beams may also be required for inset double stringer stairs.
But you have some freedom in the way you design the tread locations.
If the span is long enough the stair supports may need to be heavier or larger to reduce flex.
Paragon s dual stringer floating staircases provide a sleek open modern frame with the benefit of a second support beam.
Capozzoli stairworks provides design fabrication and installation of staircases custom staircases custom stairways interior staircase exterior staircase concrete staircases aluminum stairwells steel staircases wood staircases staircases with wood treads single stringer double stringer s.
A nice finished look uses a design where the nosing of each tread is hidden within the width of the stringer.
Solid stringers can only be used on the outer sides of a set of stairs.
Double stringers can also be used on stairs that are wider than 48.
The number of stringers you need is a function of the width of the staircase and the tread material.
Pros recommend a width of 16 between stringers but depending on the stairs and the thickness of the tread that figure could be slightly higher.
As for the length of the stringers take the total height the stairs need to be and square that value.
A 42 wide outdoor set of stairs should have 3 stringers 2 x 12 typically.