Originally we were to just supply the wood for this project; the aromatic red cedar stringers and risers and the ash treads. That changed when the carpenter sort of messed up. He had gaps where there shouldn’t have been gaps.  “Could we help”?

Mike did a CAD drawing of the special cove moulding where the tread meets the stringer and we had the pieces made on a CNC router. The pieces made on the CNC router matched the straight cove material we had made.  I think the overall effect is pretty nice. I haven’t seen this done anywhere before. The white oak handrail starts at an ash partition.  The partition is mounted on a steel sub-frame with poplar blocking. Aluminum “Z” clips provide a nice fastener-free panel. The meeting joint between the panels and at the end cap is an ash spline.  It’s finished with an aromatic red cedar cap.