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 Sigma
Polystyrene (EPS) Core Door
Features
- Strong, permanently bonded lightweight polystyrene core assures high performance and good insulating value
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- Large selection of elevations to choose from, including flush, vision-lite, singles, and pairs.
- Available built-to-order up to 60" widths and 144" heights (call factory for details)
- For Sigma Door applications, see:
Door Selection Tool
- For specifications, see:
Sigma Door Specifications
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Door Construction
| NAAMM / HMMA |
NONE |
| SDI A250.8-2003 |
II/1, III/1, IV/1 (Open Seam Edge) |
| Level / Model |
II/2, III/2 & 3, IV/2 (Seamless Edge) |
| Door Thickness |
1-3/4” |
| 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
3. Open Seam |
| Core |
Polystyrene
R Factor = 8.05 / U-Value = .12 |
| 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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