- Pre-glazed framing members
- Missile Level D and Level E Impact Protection against windborne debris
- 2 ½” sightlines
- Ultra-thermal capabilities
- High span options up to 138 inches
- Inside or outside glazed
- Tested to a Design Pressure of 70 psf
- A range of attractive painted finishes
Product Applications
- Impact resistant
- Storefront, ribbon window or punched opening
- Low- to mid-rise
- Higher span options up to 138 inches
Hurricane Resistant
Find out more here.
Thermal Technology
Find out more here.
Blast Resistant
Find out more here.
Related Product Approvals
Find out more here.
IR 521/521T/521UT Framing System - Flyer
624 KB
IR 521/521T Framing System - Architectural Detail Manual
7 MB
IR 521UT Framing System - Architectural Detail Manual
5 MB
Product Selection Guide
2 MB
Florida Product Approval & Texas Dept. of Insurance Evaluation Documents
288 KB
IR 521 Framing System - MTS
4 KB
IR 521T/521UT Framing System - MTS
4 KB
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
IR 521/521T/521UT Framing System - English
IR 521
IR 521 Framing Standard Details (1-5/16” Infill)
IR 521 Framing Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521 Framing Corner Details (1-5/16” Infill)
IR 521 Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521 Framing Standard Details (1-5/16” Infill)
IR 521 Framing Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521 Framing Field Glazed Corner Details (1-5/16” Infill)
IR 521 Framing Pre-Glazed Corner Details (1-5/16” Infill)
IR 521 Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521 Framing Standard Details (1-5/16” Infill)
IR 521 Framing Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521 Framing Corner Details (1-5/16” Infill)
IR 521 Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521 Framing Standard Details (1-5/16” Infill)
IR 521 Framing Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521 Framing Field Glazed Corner Details (1-5/16” Infill)
IR 521 Framing Pre-Glazed Corner Details (1-5/16” Infill)
IR 521 Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521T
IR 521T Framing, Standard Details (1-5/16” Infill)
IR 521T Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521T Framing, Corner Details (1-5/16” Infill)
IR 521T Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521T Framing, Standard Details (1-5/16” Infill)
IR 521T Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521T Framing, Field Glazed Corner Details (1-5/16” Infill)
IR 521T Framing, Pre-Glazed Corner Details (1-5/16” Infill)
IR 521T Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521T Framing, Standard Details (1-5/16” Infill)
IR 521T Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521T Framing, Corner Details (1-5/16” Infill)
IR 521T Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521T Framing, Standard Details (1-5/16” Infill)
IR 521T Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521T Framing, Field Glazed Corner Details (1-5/16” Infill)
IR 521T Framing, Pre-Glazed Corner Details (1-5/16” Infill)
IR 521T Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521UT
IR 521UT Framing, Standard Details (1-5/16” Infill)
IR 521UT Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521UT Framing, Corner Details (1-5/16” Infill)
IR 521UT Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521UT Framing, Standard Details (1-5/16” Infill)
IR 521UT Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521UT Framing, Field Glazed Corner Details (1-5/16” Infill)
IR 521UT Framing, Pre-Glazed Corner Details (1-5/16” Infill)
IR 521UT Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521UT Framing, Standard Details (1-5/16” Infill)
IR 521UT Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521UT Framing, Corner Details (1-5/16” Infill)
IR 521UT Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
IR 521UT Framing, Standard Details (1-5/16” Infill)
IR 521UT Framing, Miscellaneous Jamb and Vertical Details (1-5/16” Infill)
IR 521UT Framing, Field Glazed Corner Details (1-5/16” Infill)
IR 521UT Framing, Pre-Glazed Corner Details (1-5/16” Infill)
IR 521UT Framing (1-5/16” Infill), Hurricane Impact GLASSvent® Windows, PO and COS Details (1” Infill)
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.
SDS # DESCRIPTION / TITLE
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.
Search Instructions
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
185 KB
Material & Workmanship - French
190 KB
Material & Workmanship Sample (English)
203 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
Corrective Field Repairs (English)
154 KB
Corrective Field Repairs (French-Canadian)
152 KB
