Adjustable stair stringer and railing

A method for forming an adjustable stair assembly having a pair of parallel stringers and employing a plurality of riser/tread support brackets adjacent to each other along said parallel stringers, and individual means for spacing and aligning said riser/tread support brackets with respect to adjacent riser/tread support brackets along said parallel stringers, said riser/tread support brackets being duplicate elements defining said riser/tread support brackets and having at least a reference surface, side surfaces, and means for accommodating fastening means, said means for spacing and aligning said adjacent riser/tread support brackets along said parallel stringers comprising an elongated spacer bar having an integrally formed first portion cooperating with said reference surface of adjacent riser/tread support brackets to establish spacing and alignment of adjacent riser/tread support brackets and a second portion integrally formed with said spacer bar and extending laterally therefrom cooperating with said parallel stringers to establish spacing and lateral positioning of said parallel stringers,

• said method comprising the steps of:
• a) positioning said pair of stringers parallel to each other,
• b) placing said plurality of riser/tread support brackets on said parallel stringers with said reference surfaces generally aligned along said stringers,
• c) spacing and aligning said riser/tread support brackets along a first of said parallel stringers using said individual spacing and alignment means, the first portion of said individual spacing and alignment means cooperating at one end with said reference surface on each one of said riser/tread support bracket in a predetermined position and cooperating at the opposite end with said reference surface of an adjacent riser/tread support bracket, and said second portion of said spacing and alignment means cooperating with adjacent surfaces of said parallel stringers to space and laterally position said parallel stringers with respect to each other,
• d) pivotally fixing said riser/tread support brackets to said parallel stringers using a pair of fastening means through said means for accommodating fastening means with one of said pair of fastening means in each of said parallel stringers,
• e) removing said first portion of each spacing and alignment means from said riser/tread support brackets and removing said second portion of said spacing and alignment means tram said cooperating with said parallel stringers,
• f) and axially moving one of said parallel stringers with respect to the other to simultaneously pivotally rotate each of said riser/tread support brackets to a desired position along said adjustable stair assembly.