Zinc came vs lead came for a stained glass border comes down to rigidity. Zinc holds its shape and resists sagging so it's the standard pick for wide, heavy or free hanging borders.
Lead came costs less and bends more easily around curves so it still wins on small or tightly curved panels.
Zinc Came vs Lead Came: Key Differences at a Glance
Same job, different limits. Both metals hold the glass edge and finish the panel's border. The difference shows up once that panel is hung, framed or handled for years.
Zinc's rigidity is why it's long been the standard U-channel border metal for structural support. Lead's softness is a documented cause of sagging in older panels (Wikipedia, 2026).
Zinc came vs lead came, side by side:
| Attribute | Zinc Came | Lead Came |
|---|---|---|
| Structural strength | Rigid, holds its shape under weight | Soft, can bow or sag over time |
| Curves | Stiff, needs a came bender, best for straight or gentle lines | Bends by hand, handles tight curves easily |
| Typical border use | Free hanging, large or heavy panels | Small panels or any panel set into a wood frame |
💡 Pro Tip: Many stained glass panels use zinc for the outer border and lead for the interior lines. That combines zinc's strength at the edge with lead's flexibility for the curved pattern inside.
Which One Should You Choose
One border, one metal.
Choose Zinc Came if…
- The border needs to hold a large, heavy or free hanging panel without sagging
- The design uses straight lines or gentle curves not tight ones
- You want a crisp, modern edge that will take a black or copper patina
Choose Lead Came if…
- The panel is small, light or going into a wood frame that already provides support
- The border has to follow tight curves or a free form outline
- Cost matters more than extra rigidity
Bottom Line
For a stained glass border, default to zinc came unless the panel is small, light or already framed in wood.
No exceptions worth chasing. That single rule settles zinc came vs lead came for almost every border decision you'll make.
Once you know whether zinc or lead fits your border the next question is channel width.
Matching it to your glass thickness keeps the came from rattling loose or cracking the edge. Lead came size chart, H vs U
Other Common Lead Came Questions: How to Stretch Lead Came for Stained Glass Windows: 4 Steps
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