After cleaning and repair, windows are re-assembled on rubbings to correct overall size and shape. New lead came is used and, in most cases, matches the original profile and technique. Sometimes, alloys are added to the new lead for strength and longevity. After assembly, lead joints are soldered to produce a strong new lead matrix.
Waterproofing compound is applied under each lead came leaf on both sides of the window.
A final clean up is done to remove any residue, burnish the new leads and polish the glass.
Copper tie wires are soldered to lead joints. They will be twisted around reinforcing bars that help support the leaded glass. Reinforcing is an important part of a leaded glass window. Nearly all windows require structural reinforcing bars to stand the test of time.
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