Good quality laminated glass treads spiral staircase customize from stair factory WilliamArchi create an amazing elegant, modern,high quality spiral stairs.You can customize helix spiral staircase according to your requirement for your building project with my professional stair manufacturer. Please see details information of option parts of spiral staircase for your reference. Spiral Staircase Information WilliamArchi spiral stair frame is easy to fit into small space. Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase. Height of spiral staircase based on your job site. The staircase width normally is between 760mm to 1200mm(30" to 47-1/4"). Dimensions will vary according to measurements of stairs. Spiral staircase consists of central post beam, treads, stair fence, spiral handrails.
