Starecasing: With the StareCasing System three-step installation process, you just measure, cut and install. The patented tread and riser overlays fit over your existing staircase like a glove. No messy demolition. No guesswork.
DIY Craftsman staircase easy - use existing Newel post!"it was installed around the existing post. I built the front and sides in one piece, and then installed the last side by trimming back the handrail and re-attaching it to the new post.