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.

HR4700 SERIES

Casement window

Solid Hot-Rolled Steel Sections
ANSI/AAMA 101-93 HC40
1 5/16” exterior frame depth
EPDM weather-stripping
Mitered, welded frame and sash construction
Uniform sight lines
Glazed with snap-in aluminum glazing beads
Glazing infill up to 1 1/8”
One casement fastener center of sash rail up to 36”, Two casement fasteners thereafter
Standard Optimum Window colors (refer to OWM color chart)
Finish on standard colors baked polyester powder coat
Multi-Point Locking Standard Unless Noted
Uniformed Sight line construction available (upon request)

Min. Casement Dimensions

18″ x 18″

Max. Casement Dimensions

42″ x 90″

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

HR4700 SERIES

PROJECTED

Solid Hot-Rolled Steel Sections
ANSI/AAMA 101-93 HC40
1 5/16” exterior frame depth
EPDM weather-stripping
Mitered, welded frame and sash construction
Uniform sight lines
Glazed with snap-in aluminum glazing beads
Glazing infill up to 1 1/8”
One casement fastener center of sash rail up to 36”, Two casement fasteners thereafter
Standard Optimum Window colors (refer to OWM color chart)
Finish on standard colors baked polyester powder coat
Multi-Point Locking Standard Unless Noted
Uniformed Sight line construction available (upon request)