NX 300 Series Windows


NX-300 Series Thermal Windows

Designed for superior durability, the NX-300 Series Thermal Windows are engineered to withstand extreme temperatures and conditions. The strong lines of the new NX-300 Series Thermal Windows give a historic appearance to projects blend seamlessly and respect the architecture of older buildings.

  • 3-1/4″ (82.55mm) depth frame
  • 2-5/8″ (66.7mm) sightline
  • AAMA architectural grade ratings up to AW-PG90 on most common configurations
  • Design and installation options for replacing wood or steel
  • Punched openings
  • Vertical or horizontal stacks
  • Structural mullions for larger unit configurations
  • Options for anchoring methods, head and jamb receptors, sub sills and panning types
  • Frame design with 0.125″ (3.2mm) wall thickness and minimal sightlines
  • Friction position corner keys for accurate alignment
  • Tested in accordance with AAMA/WDMA/CSA 101/I.S. 2/A440 NAFS – North American Fenestration Standard/Specification for windows, doors and skylights

Model | AW Rating | Function
NX-310 | AW-PG90-C | Outswing Casement
NX-350 | AW-PG90-AP | Project-out (Awning)
NX-380 | AW-PG90-FW | Fixed Window

NX-300 Series Thermal Window - Architectural Detail Manual
3 MB
Product Selection Guide Windows
208 KB
Product Selection Guide Hurricane Resistant Windows
93 KB
Product Selection Guide Blast Mitigation Windows
186 KB
NX-300 Series Thermal Window - Flyer
2 MB
Fixed & Ribbon Windows/Aluminum Windows - EPD
604 KB
Projected & Casement Windows/Aluminum Windows -EPD
893 KB
Finishes Brochure
5 MB
Finishes Information - Architectural Detail Manual
238 KB
Anodize Finishes - Color Chart
82 KB
Liquid Paint - Color Chart - Permadize®
1 MB
Liquid Paint - Color Chart - Permafluor®
350 KB
NX-380 Fixed Window
NX-310 Outswing Casement Window
NX-350 Overlap Project-Out (Awning) Window

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NX-380 Fixed Windows
NX-350 Project-Out
NX-350 Project-Out Beside Project-Out
NX-380 Fixed Over NX-350 Project-Out
NX-350 Project-Out Over NX-380 Fixed
NX-380 Fixed Over NX-380 Fixed Over NX-350 Project-Out
NX-380 Fixed Over NX-350 Project-Out Beside Project-Out
NX-380 Fixed Over NX-350 Project-Out Beside Fixed Over Project-Out
NX-310 Outswing Casement
NX-310 Casement Beside Casement
NX-380 Fixed Over NX- 310 Casement
NX-380 Fixed Over NX-310 Casement Beside Casement
NX-380 Fixed Beside Fixed Over NX-310 Casement Beside Casement
NX-300 Series Misc. Details-Receptors, Sub-Sills, Anchors and Panning

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NX Mullions
NX Receptors
NX Subsills
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NX-300 Series Thermal Windows
NX-300 Series Thermal Windows

While most of our products are not hazardous in and amongst themselves, hazardous properties can develop when the product is altered through cutting, welding, and grinding.  Details on the specific hazards that can develop and the proper protective measures to use can be found in the SDSs.

Arconic’s SDS database provides PDF files of safety information on specific materials.  The SDS ID numbers (product code) and description for materials used in Kawneer products are listed below.

1405 – Kawneer Thermal Break Filled Extrusions
1385 – Kawneer Acrylic Paints
1386 – Kawneer Fluoropolymer Paints

1526 – Kawneer Bloomsburg Solvent Recovery Still Residuals

1387 – Painted Architectural Aluminum Extrusions
509 – Aluminum Extrusions, Anodized Aluminum Products


Search Arconic’s SDS database for safety information on specific materials.


Warranty Disclaimer TBC

Project Warranty Cover Sheet (English)
137 KB
Project Warranty Cover Sheet (French-Canadian)
137 KB
Project Warranty Cover Sheet Sample (English)
139 KB
Project Warranty Cover Sheet Sample (French-Canadian)
140 KB
Material & Workmanship - English
183 KB
Material & Workmanship - French
190 KB
Material & Workmanship Sample (English)
198 KB
Material & Workmanship Sample (French Canadian)
212 KB
Anodized Finishes Warranty - English
523 KB
Anodized Finishes Warranty - French
517 KB
Anodized Finishes Sample (English)
529 KB
Anodized Finishes Sample (French Canadian)
524 KB
Painted Finishes Warranty - English
557 KB
Painted Finishes Warranty - French
538 KB
Painted Finishes Sample (English)
565 KB
Painted Finishes Sample (French Canadian)
550 KB
Insulating Glass Warranty - English
498 KB
Insulating Glass Warranty - French
499 KB
Insulating Glass Sample (English)
502 KB
Insulating Glass Sample (French Canadian)
504 KB
Laminated Glass Warranty - English
122 KB
Laminated Glass Warranty - French
123 KB
Laminated Glass Sample (English)
126 KB
Laminated Glass Sample (French Canadian)
128 KB