2. Standard Features
• 3 1/4” frame profile for added structural integrity and energy performance.
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• 3/4” insulated glass unit with double strength glass using the warm edge no metal
Enviroseal NXT by Super Spacer™ system to give the optimal return on
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energy savings.
• Roller tilt constant force balance system for smooth and quiet operation for all sizes
with no maintenance concerns.
• Raised contoured exterior profile for distinctive style and appearance.1
• Multi-chambered frame and sash components with heavy wall thickness for
enhanced structural and thermal performance.2 5
• Wider and deeper interlocks at meeting rail with dual FinSil weatherstripping
to improve thermal and structural ratings.3
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• All fusion welded sash and frame to meet the strictest guidelines for structural needs.
• True slope sill design to aid in extreme weather and driving rains with double
weatherstripped interior leg for added protection.4
• Metal reinforced meeting rail to enhance structural performance and to attach
sash hardware.5
• Locking pivot shoe system for added structural integrity and protection.
•
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Double wall interior leg with weatherstripping for improved seal.
• Tilt in sash for easy cleaning and maintenance.
Optional Features
Customize your windows to compliment your style.
With a variety of choices you can create the perfect view.
• Argon gas • Traditional Colonial Lites
• Obscure Glass • Glass Breakage Warranty
• Safety Glass • White or Almond Color Available
Performance Comparison
U-Factor SHGC UV
Glass Package (Insulating Performance) (Solar Performance)
Air /Argon Air /Argon
Single pane, clear glass 1.04 /NA 0.66/NA .71
Double pane, clear glass 0.48 /NA 0.76/NA .56
Ordinary low-E 0.35 /0.31 0.72/NA .44
LoE³-366 / Clear (3/4” OA) 0.33 /0.29 0.22/.21 .05
*Above values represent the single hung tested values, Test values may change depending upon configuration and options chosen.
Our warranty to you...
A n industry best rated Limited Lifetime Warranty that covers
the operation and performance of your windows and gives you
www.ntwindow.com
peace of mind that your investment will always be protected.
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