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Signs of Deterioration
It is recommended that owners and proprietors be pro-active and
regularly check their windows for deterioration in the following
areas. Depending on the fatigue of the lead matrix it may be recommended
to re-lead the window in order to avoid serious future damage
and costly restoratons.
Lead and Matrix Solder Joints
Inspect the panels for general sturdiness, cracks or missing
lead came and/or broken solder joints. Also check for a loss
of putty and/or the un-housing of the glass lead.
Sagging or Bulging Panels
Inspect your windows for sliding panels. There may be a gap
between panels. Look for bulges in panels and/or buckling at
the bottom of the window.
Detached Copper Wires
Inspect the connection (copper wire) between the supporting
iron bars and the lead matrix. Bulges may indicate this connection
is severed, which destabilizes the window.
Fading Paint
Inspect the glass for fading paint. Can you only faintly see
the outlines of what must have been a figure or an ornament?
Do pictures of the window taken in earlier days reveal more
detail than the window itself does now?
Broken Glass or Missing Glass
Look for broken or cracked glass, which is especially dangerous
if loose, and threatening to fall. Glass often breaks when windows
buckle.
Loss of Building Heritage 1
What are Stained Glass Windows 2
> Signs of Deterioration < 3
The Causes of Deterioration 4
The Solution 5
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