A glazing configuration in which framing, stops, caps, or other mechanical components retain the glass edge on two, three, or four sides.
GlassRenu archive
Meaning and boundaries
Captured does not mean the unit is nonstructural, watertight, safely removable, or free of sealant and compatibility constraints.
Why it matters in glass restoration
Knowing the captured sides helps identify support, drainage, exposed edges, and where restoration pressure or runoff may create risk.