tread return

tread return

tread return
In an open stair, the continuation of the horizontal rounded edge of the tread, beyond the stair stringer.
References in periodicals archive ?
An elegant easy tread return staircase with barley twists, spindles and a carved balustrade leads to the upper floor.
The main accommodation of the first floor is reached by an oak, easy tread return staircase with barley twist balustrades.