3 7/8" Heavy Commercial Horizontal Sliding Windows

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.

Model
Series 6555 Horizontal Sliding Thermal
Series 6620 Fixed Thermal Windows

Feature
E-Strut™ thermal isolator
Accommodates glazing units from 1/8" to 1 1/4" depth
Continuous interlock at the sash meeting rail
Three sill heights available
Dual glazing with optional integral blinds
Sash glides on tandem steel ball bearing rollers over a raised sill track
Trim-All™ panning available
Accessory line of subframes, mullions, and architectural sills
Anodized or painted finishes available

Benefit
Completely eliminates dry shrinkage
Dual finish capability
Expands design and energy saving options
Improves U-Value performance
Offers superior weathering and structural performance
Water resistance performance customized to project requirements
Improved energy savings and interior light or privacy control with low maintenance
The raised sill track minimizes the effect of dirt and debris build-up on the sill
Allows matching of existing sight lines in restoration projects
Allows custom designs with standard product
Unlimited options to answer economic and aesthetic concerns