1550 4-1/2” Architectural Grade Thermal Window System

The 1550 Series Window is 4-1/2 inch depth with an 1/8 inch wall thickness, made for large window openings that span deep wall cavities. It has been used in many applications such as schools, hospitals, blast and hurricane applications. Whether it is a public job or private development the 1550 Series Window has been used with success.

• 4-1/2” Architectural Grade Thermal Window System
• Projected AW Grade AP-AW100
• Fully mitered 2” deep overlap sash configuration with fully sealed corners and dual weatherstripping

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