1.800.221.4169
Series 6555 and 6620 retains an AAMA Heavy Commercial and Architectural Grade rating to meet the most demanding specifications. The 6555 and 6620 window system is an attractive product for a wide range of applications. Multiple glazing options provide flexibility to meet specific design requirements. E-Strut™ thermal isolators provide outstanding thermal performance and dual finish capability. Offered with a complete line of sub frames, mullions and architectural sills, the 6555 and 6620 windows provide the complete solution for your fenestration needs.

E-Strut™ thermal isolator
Completely eliminates dry shrinkage
Dual finish capability
Accommodates glazing units from 1/8" to 1 1/4" depth
Expands design and energy saving options
E-Strut™ thermal isolator
Improves U-Value performance
Continuous interlock at the sash meeting rail
Offers superior weathering and structural performance
Three sill heights available
Water resistance performance customized to project requirements
Dual glazing with optional integral blinds
Improved energy savings and interior light or privacy control with low maintenance
Sash glides on tandem steel ball bearing rollers over a raised sill track
The raised sill track minimizes the effect of dirt and debris build-up on the sill
Trim-All™ panning available
Allows matching of existing sight lines in restoration projects
Accessory line of subframes, mullions, and architectural sills
Allows custom designs with standard product
Anodized or painted finishes available
Unlimited options to answer economic and aesthetic concerns
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6555 Horizontal Sliding Thermal

    Series 6555 Horizontal Sliding Thermal

    Details
    Elevations
  • Series 6620 Fixed Thermal Windows

    Series 6620 Fixed Thermal Windows

    Details
    Elevations
  • 1669

    1669

  • 1687

    1687

  • 2911

    2911

  • 6085

    6085

  • 1254

    1254

  • 1276

    1276

  • 1339

    1339

  • 1F66

    1F66

  • 1K48

    1K48

  • 1M13

    1M13

  • 1M14

    1M14

  • 2M16

    2M16

  • 2M28

    2M28

  • 2M33

    2M33

  • 3M04

    3M04

  • 3M09

    3M09

  • 3M14

    3M14

  • 3M19

    3M19

  • 3M24

    3M24

  • 4603

    4603

  • 4714

    4714

  • EH65

    EH65

  • EJ18

    EJ18

  • EK58

    EK58

  • 2129

    2129

  • 2349

    2349

  • 2382

    2382

  • 2804

    2804

  • 2841

    2841

  • 2903

    2903

  • 2904

    2904

  • 2908

    2908

  • 2909

    2909

  • 2910

    2910

  • 2912

    2912

  • 2913

    2913

  • 2922

    2922

  • 2937

    2937

  • 2987

    2987

  • 2997

    2997

  • 3638

    3638

  • 4189

    4189

  • 1" Glazing

    1" Glazing

  • 1/4" Monolithic

    1/4" Monolithic

  • Dual Glazed

    Dual Glazed

  • 1443

    1443

  • 1584

    1584

  • 2153

    2153

  • EX20

    EX20

  • EX28

    EX28

  • EX38

    EX38

  • EX52

    EX52

  • EX54

    EX54

  • EX56

    EX56

  • KC35SL

    KC35SL

  • 1S43

    1S43

  • 1S73

    1S73