Cast Metals
Cast Iron
Repairs to the Capitol Dome – Lock and Stitch Technique
During the US Capitol Dome restoration more than a thousand cracks were repaired using the lock and stitch technique shown here.
Stitch-N-Lock. Inc.
Specialists in the repair of cracked and damaged cast iron and other cast metals. Stitch-N-Lock fasteners were used in the United States Capitol dome restoration completed in 2016. Their youtube video on the process is outstanding.
US Capitol Dome Restoration Complete
This November, 2016 Durability + Design Magazine article announces the completion of the United States Capitol dome restoration and indentifies the contractors and methods used to repair cracks in the cast iron.