Glass Package

Enhanced insulating performance to maintain comfortable indoor temperatures in any climate zone.

• 15/16″ Double-strength insulated glass unit
• Low-E glass
• Thermally efficient, low-conductance spacer
• Argon gas fill

Superior insulating values: Defender impact-resistant windows contain our high-performance glass package. The home stays cooler on the inside, decreasing the amount of air conditioning needed. 

• 15/16″ Double-strength insulated, tempered glass
• .090 PVB interlayer thickness
• Low-E glass
• Quanex Duralite high-performance spacer
• Argon gas fill