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| NorthEast Glass
A High-Performance System
That Pays Big Dividends | | | NorthEast windows include one of the most innovative glass systems in the industry. Double or Triple-Glazed Construction NorthEast offers you a choice of double-glazed and triple-glazed window |  | INSIDE AIR TEMPERATURE
70° F (21.1° C) |
Incredible R-Values
If energy efficiency is a major factor in your window decision, look at the thermal performance chart below. You'll see our Series 900 windows are available in a wide range of performance levels. | It's not only pleasing to the eye, but the budget as well. In fact, the energy-efficient qualities of our glass system can lead to savings that more than pay for the windows. | | | | | Innovative Sealing System
NorthEast windows feature the DuraSeal™ insulating glass system. Backed with a 28 year success rate, DuraSeal is made from a reinforced polymer that reduces the heat transfer around the perimeter of the insulating glass unit. As a result, your window is less subject to condensation, resulting in a clearer view. It's also much more energy efficient than models using aluminum spacer bars.Air and gases are sealed between the panes of a window. This sealing system includes an aluminum spacer bar that determines the gap between the panes. This bar can conduct heat from inside the window to the outside, creating condensation problems. |
| Conductivity DuraSeal replaces conductive materials used in solid flexible spacers with air. This unique design concept creates one of the first hollow warm edge spacers on the market | | 
| Moisture Vapor Path DuraSeal is designed with a continuous non metallic moisture barrier that bends at corners giving DuraSeal units a longer moisture vapor path than most other spacer systems. | | 
| Condensation Resistance No spacer system can eliminate condensation, but DuraSeal reduces conductivity by 50% over other warm edge spacers. Reducing conductivity also reduces condensation. | | 
| Moisture Resistant Bondline Adhesive A unique thin film adhesive with proven UV and moisture resistance based on average 44 weeks P1. | | 
| Argon Permeability DuraSeal has one of the best Argon resistant bondline adhesives to keep Argon in your window longer and save more energy. | | | 
| UV Exposure DuraSeal is manufactured with a thin film adhesive that has been designed with maximum UV resistance. P1 testing has produced average results over 40 weeks for this adhesive. | 
| EnergySTAR labeled technology TruSeal Technologies is an EnergySTAR partner. Our customers manufacture EnergySTAR qualified windows and doors with TruSeal's insulating glass Spacer Systems. |
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