New Products > Architectural Windows

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Signature Series 3-1/4" Lap

Frame: 3 1/4” depth
Sash 3 1/4" depth
Tubular sash and meeting rails
Lap sash to frame
Polyamide thermal break

Signature Series 3375

Frame: 3 3/8” depth
Sash 3-11/16" depth
Tubular sash and meeting rails
Sealing return frame legs

Signature Series 5" Lap

Frame: 5” depth
Sash 3 1/4" depth
Tubular sash and meeting rails
Sealing return frame legs

Signature Series ZeroSightline-HT

System Depth: 3 3/4”
Tubular sash
CW Insert and flat back perimeter frame
Custom Polymer Thermal Break