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 Gamma
Lead Lined Core Door
Features
- Shielding levels per your specifications
- Large selection of elevations to choose from,
including flush, vision-lite, singles, and pairs.
- Many lead-lined frame configurations,
including sidelites, transoms, arched and
radius configurations
- Available built-to-order up to 60" widths and 144" heights (call factory for details)
- For Gamma Door applications, see:
Door Selection Tool
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Door Construction
| NAAMM / HMMA |
NONE |
SDI A250.8-2003
Level / Model |
II/2, III/2 & 3, IV/2 |
| Door Thickness |
1-3/4” |
| Lead Thickness |
Varies per Spec |
| Face Skins |
18, 16 or 14 GA |
| Material Options |
1. Cold Rolled Steel
2. Galvanized A-60 or G-90 |
| Door Edges |
Beveled |
| Edge Construction Options |
1. Welded 3” OC, Welded Seamless
2. Continuous Weld, Seamless |
| Core |
22 GA Steel Stiffeners w/ Lead Between
R Factor = N/A / U-Value = N/A |
| Top & Bottom Channels |
16 GA See: Door top + Bottom Details |
| Hinge Reinforcements |
7 GA, 1-1/2” x 10” |
| Lock Reinforcements |
11 GA or equal # threads |
| Closer Reinforcements |
14 or 12 GA |
| Standard Primer |
Alkyd (Gray), EPA Approved |
| Fire Label Rating |
See Fire Rated Doors + Frames Section |
| Finish Options |
See Finish Options Section |
| Stainless Steel |
See Stainless Steel Products Section |
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