Oak spiral staircase with metal backbone
Spiral staircases are the perfect opportunity to explore curvy design concepts as each profile winds around a central pivot point that extends to the floor above. Here, the French designer Paul Coudamy has taken the concept of the standard spiral staircase and transformed it into an oak staircase that expands the steps in 3 steps from below to create an easily accessible platform with almost doubled treads size when facing the floor approach. It’s as if the oak runs off each profile to create an ever-expanding wood basin as each profile descends. The “overflow” of each step is further enhanced by changing the angle of the oak planking at each level and rounding off the points where each of the two angles meets the curve.
The backbone of the Parisian stairwell is a black powder-coated metal post with sweeping ribs and triangular wedge supports that hold the oak treads. The size of the lower two levels requires additional support of 2 and then 3 riser posts.
The curve of the stairs leaves a lot of headroom, whether ascending or descending – or hanging in this case.
The shadows created by the staircase add a third dimension that gives the staircase its own life.
The treads made of oak form a soft natural contrast to the rigidity of the metal framework.
From top to top, the grain direction on each oak profile runs evenly from step to step
On the second level, the spine transforms into a handrail
No matter in which angle this custom staircase is observed, the artistic expression is an expression of grace and elegance.