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The ST/STI model is our most rugged and economically priced commercial/industrial product . Normal applications include those sites where energy efficiency is a low priority and durability is a high one.
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| Door Features |
- Each door measures a full two inches thick and is designed for the heaviest industrial and commercial applications.
- Combining a macro and micro ribbed construction strengthens the door for impact. Tongue and groove construction provides for a tight closure.
- At the bottom of each door, wind, dirt, and moisture are locked out by a U-shaped astragal with an aluminum retainer. Easily field-replaceable.
- Maximum strength and durability are achieved by both bonding and riveting heavy gauge end and intermediate stiles to the steel panels.
- This product is available in both an insulated (STI) and an uninsulated (ST) version depending upon specification. All doors may be insulated with moisture-resistant polystyrene insulation. Back-up covers are 26 gauge Galvalume galvanized steel.
- These models are available in two weights: 24 gauge and 20 gauge. All doors have the same deep-ribbed panel design. The 24 gauge series is utilized for standard duty installations. The 20 gauge model is specifically recommended for higher traffic areas.
- Window Lites are available on all doors. The Lites are available either 24" x 5" or 24" X 11". All windows are 1//8" plexiglass. Double glazing in these sizes is also available.
- For full vision, white baked enamel, aluminum-framed glass sections, glazed with double thick glass, may be installed the full width of any door. One section per door is the maximum recommended.
- Before shipment each door is carefully inspected to ensure that it meets our rigid quality control standards. As a further assurance of reliability, each door comes with a full twelve-month warranty against defects in materials and workmanship.
- Torsion springs, which ride on a full-width ball bearing header shaft, are custom-wound of oil-tempered wire and calibrated to within ounces of door weight. Special extra long-life springs available at additional cost.
- Each door is completely pre-punched for all mounting hardware, which is furnished with hardened thread-cutting screws. The result: quick, accurate, permanent alignment.
- Vinyl in aluminum extrusion may be attached to the top edge of the door to provide a positive seal at the lintel. Also available as a perimeter seal for use on side jambs.
- The ST/STI is available in White and Brown.
- Track is edge conditioned to reduce risk of injury from sharp edges.
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