PRODUCT COMPARISON

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RELIANT

HR4500

​SIGHTLINES*

FIXED: 7/8”
OPERABLE: 2-1/4”
FRAME DEPTH: 1-3/4”
STD. MUNTIN**: 1-1/8”

GLAZING

MAX INFILL: 3/4”

MATERIAL

RECYCLED
HOT-ROLLED CARBON STEEL

ALT MATERIALS

N/A

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

INTERIOR
RESIDENTIAL
HISTORICAL/LANDMARK
INSTITUTIONAL



RELIANT

HR4700

​SIGHTLINES*

FIXED: 1-1/16”
OPERABLE: 2-1/4”
FRAME DEPTH: 2-3/16”
STD. MUNTIN**: 1-3/8”

GLAZING

MAX INFILL: 1-1/8”

MATERIAL

RECYCLED
HOT-ROLLED CARBON STEEL

ALT MATERIALS

STAINLESS STEEL***

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

INTERIOR
RESIDENTIAL
HISTORICAL/LANDMARK
INSTITUTIONAL
GOVERNMENTAL


RELIANT

Princeton

​SIGHTLINES*

FIXED:1- 5/8”
OPERABLE: 2-1/4”
FRAME DEPTH: 2-1/8”
STD. MUNTIN**: 1-3/8”

GLAZING

MAX INFILL: 1- 1/8”

MATERIAL

RECYCLED
HOT-ROLLED CARBON STEEL

ALT MATERIALS

N/A

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

INTERIOR
RESIDENTIAL
HISTORICAL/LANDMARK
INSTITUTIONAL
GOVERNMENTAL


RELIANT

RTS- 430

​SIGHTLINES*

FIXED: 1-11/16”
OPERABLE: 2-1/16”
FRAME DEPTH: 2-1/4”
STD. MUNTIN**: 1-1/2”

GLAZING

MAX INFILL: 1-3/8”

MATERIAL

RECYCLED
HOT-ROLLED STAINLESS STEEL

ALT MATERIALS

CARBON STEEL***

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

RESIDENTIAL
COMMERCIAL
HISTORICAL/LANDMARK
INSTITUTIONAL
GOVERNMENTAL


FLEX

5500SB

​SIGHTLINES*

FIXED: 1- 3/4”
OPERABLE: 1-3/16”
FRAME DEPTH: 2-3/16”
STD. MUNTIN**: 1-3/8”

GLAZING

MAX INFILL: 1 1/8”

MATERIAL

RECYCLED
GALVANIZED COLD-ROLLED STEEL

ALT MATERIALS

BRONZE***
STAINLESS STEEL ***

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

RESIDENTIAL
COMMERCIAL
HISTORICAL/LANDMARK
OVERSIZED OPENINGS
INSTITUTIONAL
GOVERNMENTAL

FLEX

6500SB

​SIGHTLINES*

FIXED: 1- 7/8”
OPERABLE:3-5/16”
FRAME DEPTH: 2-9/16”
STD. MUNTIN**: 1-1/2”

GLAZING

MAX INFILL: 1 1/2”

MATERIAL

RECYCLED
GALVANIZED COLD-ROLLED STEEL

ALT MATERIALS

BRONZE***
STAINLESS STEEL ***

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

RESIDENTIAL
COMMERCIAL
HISTORICAL/LANDMARK
OVERSIZED OPENINGS
INSTITUTIONAL
GOVERNMENTAL

FLEX

2500

​SIGHTLINES*

FIXED: 1- 13/16”
OPERABLE: 2-5/8”
FRAME DEPTH: 2-13/1”
STD. MUNTIN**: 1-1/2”

GLAZING

MAX INFILL: 1-1/2”

MATERIAL

RECYCLED
GALVANIZED COLD-ROLLED STEEL​

ALT MATERIALS

N/A

CONSTRUCTION

FULLY WELDED

TYPICAL APPLICATIONS

RESIDENTIAL
COMMERCIAL
HISTORICAL/LANDMARK
OVERSIZED OPENINGS
INSTITUTIONAL
GOVERNMENTAL

* Sightline sizes may vary depending on hardware packages and type of operation. Contact an Optimum consultant for more information.
** Additional muntin bars available.
*** Sections available in alternate materials are custom fabricated and are subject to longer lead times and increase in cost.