HR4700

Fully-Welded Solid Hot-Rolled Steel series

RELIANT AND VERSATILE

Optimum’s steel window and doors offer reliability and versatility. These characteristics are key when designing a project. This series has been used in countless applications ranging from high-end homes to commercial and industrial applications. One major quality associated with our units is their narrow sightlines. Architects have incorporated this attribute in all aspects of building for over a hundred years, and have designed the gracefulness of steel windows into countless applications. The look is not simply distinctive, it is unique.
  • Zinc Rich Epoxy primer with Electrostatically applied, colored, polyester powder coated finish. Meets AAMA 2604 specification.
  • Integrated system complete with sections, fittings and gaskets/seals for designing and making the largest types of thermal break window and door frames.
  • Recycled Stainless Steel Construction.
  • Condensation Resistance; product has gone through condensation resistance “CR” testing with results similar to high-performance windows.
  • Slender yet structurally solid sections make for increasingly elegant and bright frames, curtain walls and façades.
  • Possibility of making regularly-shaped arches to customer template.
  • Accommodates thin sight line look for historical applications high performance in terms of energy saving and sound insulation.

PRODUCT PERFORMANCE

  • Meets or exceeds air infiltration test criteria in accordance with ASTM E283
  • Meets or exceeds water penetration test criteria in accordance with ASTM E331
  • Meets or exceeds structural test in accordance with ASTM E330

Contact Optimum Window to review applicable testing and design performance data for your specific project

Standard Profiles

HR4700

TRUE DIVIDED LITE MUNTINS

FIXED

OPERABLE

DOOR

(Glazing Beads will vary depending on OA Glass Thickness)

Available Systems

HR4700 SERIES

Fixed window

  • Solid Hot-Rolled Steel Sections 
  • ANSI/AAMA 101-93 HC40
  • 1 7/8” exterior frame depth
  • EPDM weather-stripping
  • Mitered, welded frame and sash construction
  • Uniform sight lines construction available
  • Glazed with snap-in aluminum glazing beads
  • 3/16” to 1 1/8” glazing infill
  • Uniformed Sight line construction available (upon request)
  • Standard Optimum Window colors (refer to OWM color chart)
  • Finish on standard colors baked polyester powder coat

Options

  • RAL colors available as option
  • Non-metallic color matches are optional & available upon request
  • Custom hardware
  • Limited operation stops
  • Steel brake metal and trim
  • Screens

Min.  Dimensions

18″ x 18″

Max. Dimensions

42″ x 90″

OWM may exceed shown maximum dimensions. Contact an Optimum Window Consultant for further information.

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Factory-style steel windows by Optimum Window
Reliant HR4700 interior steel windows