- Hurricane impact tested on shutter application only
- 4-1/2″ (114.3) deep with a 2″ (50.8) sightline
- Front, center, back or multi-plane glass applications
- Flush glazed from either the inside or outside
- Screw spline, shear block, stick or type-B fabrication
- Screw spline pre-glaze option
- SSG / weather seal option
- Isolock® lanced and debridged thermal break option
- Infill options up to 1-1/8″ (28.6) thickness
- Anodized finishes in four choices
- Painted finishes in standard and custom choices
Optional Features
- Acoustical rating per AAMA 1801 and ASTM E 1425
- Project specific U-factors (see Thermal Charts in Architectural Detail Manual)
- Profit$Maker® plus die sets available
Pre-glaze option features*
- Tested solution with installation instructions enables shop fabrication and reduces field labor
- Vertical mullions with 1/4″ reveal provide uniform aesthetics
- High-performance sill flashing and clip design reduce installation time
- Composite end jamb allows for ease of installation of the last bay
- Trifab® 451/451T/451UT Framing Systems provide the right thermal performance for your project
- View our pre-glaze option flyer here
*For Trifab® 451/451T/451UT Framing System center set screw spline assembly applications only
Product Applications
- Storefront, ribbon window or punched openings
- Single span
- Integrated entrance framing allowing Kawneer standard entrances or other specialty entrances to be incorporated
- Kawneer windows are easily incorporated
Thermal Technology
Find out more here.
Blast Resistant
Find out more here.
Hurricane Resistant
Find out more here.
Related Product Approvals
Find out more here.
Trifab® VersaGlaze® 451/451T Framing System - Architectural Detail Manual
23 MB
Trifab® VersaGlaze® 451/451T Framing System - Flyer
Storefront Framing Product Selection Guide
571 KB
Trifab® VersaGlaze® 451 Framing Systems Pre-Glaze Option Flyer
316 KB
Florida Product Approval & Texas Dept. of Insurance Evaluation Documents
290 KB
Trifab® VersaGlaze® 451 Framing System - Product Green Guide
193 KB
Trifab® VersaGlaze® 451T Framing System - Product Green Guide
242 KB
Trifab® Framing Systems and Storefront Framing Systems - EPD
1 MB
Trifab® VersaGlaze® 450/451/451T and Trifab® 601T Framing Systems - DECLARE Label
732 KB
Trifab® VersaGlaze® 450/451 and Trifab® 601 Framing Systems
532 KB
Trifab® VersaGlaze® 451T and Trifab® 601T Framing Systems - MTS
483 KB
Finishes Information - Architectural Detail Manual
238 KB
Anodize Finishes - Color Chart
82 KB
Liquid Paint - Color Chart - Permadize®
713 KB
Liquid Paint - Color Chart - Permafluor™
268 KB
Powder Paint - Color Charts - Permacoat™
127 KB
Trifab® VersaGlaze® 451 Framing System - English
Trifab® VersaGlaze® 451 Framing System - French
Trifab® VersaGlaze® 451 Framing System - Spanish
Trifab® VersaGlaze® 451T Framing System - English
Trifab® VersaGlaze® 451 Framing System - French
Trifab® VersaGlaze® 451 Framing System - Spanish
Trifab® VersaGlaze® 451/451T Framing System (Thermal) CENTER PLANE
Typical Framing Details (Outside Glazed)
Optional Framing Details (Outside Glazed) "Glass Stops Up"
Typical Framing Details (Inside Glazed)
Pre-Glazed Option Details - (Outside Glazed)
Pre-Glazed Option Details - (Outside Glazed) - "Glass Stops Up"
Pre-Glazed Option Details - (Inside Glazed)
Pre-Glazed Optional Vertical Details
Optional Vertical Mullions
GLASSvent Window in Typical Framing Details (Outside Glazed)
GLASSvent Window in Optional Framing Details (Outside Glazed) "Glass Stops Up"
GLASSvent Window in Typical Framing Details (Inside Glazed)
8225TL Window in Typical Framing Details (Outside Glazed)
8225TL Window in Optional Framing Details (Outside Glazed) "Glass Stops Up"
8225TL Window in Typical Framing Details (Inside Glazed)
Optional 4-1/2" x 4-1/2" Head, Horizontal and Sill Details
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed)
Optional Framing Details (Outside Glazed "Glass Stops Up")
Optional Framing Details (Inside Glazed)
Optional Vertical Mullions
GLASSvent Window in Typical Framing Details (Outside Glazed)
GLASSvent Window in Optional Framing Details (Outside Glazed "Glass Stops Up")
GLASSvent Window in Optional Framing Details (Inside Glazed)
8225TL Window in Typical Framing Details (Outside Glazed)
8225TL Window in Optional Framing Details (Outside Glazed "Glass Stops Up")
8225TL Window in Optional Framing Details (Inside Glazed)
4-1/2" x 4-1/2" Head, Horizontal & Sill Details
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptors and Splice Details
Typical Framing Details (Outside Glazed) - Std Receptor
Typical Framing Details (Outside Glazed) - Lightweight Receptor
Typical Framing Details (Outside Glazed) - Unequal Leg Head/Sill Receptor
Typical Framing Details (Outside Glazed) - Std Receptor Stops Up
Typical Framing Details (Outside Glazed) - LW Receptor Stops Up
Typical Framing Details (Inside Glazed) - Std Receptor
Typical Framing Details (Inside Glazed) - Lightweight Receptor
Optional Vertical Mullions - Standard Receptor
Optional Vertical Mullions - Lightweight Receptor
Typical Corner Details - Std Receptor
Typical Corner Details - Lightweight Receptor
GLASSvent Details with Typical Framing Details (Outside Glazed) - Std Receptor
GLASSvent Details with Typical Framing Details (Outside Glazed) - LW Receptor
GLASSvent Details with Typ. Framing (Outside Glazed) - Std Receptor Stops Up
GLASSvent Details with Typ. Framing (Outside Glazed) - LW Receptor Stops Up
GLASSvent Details with Typical Framing Details (Inside Glazed) - Std Receptor
GLASSvent Details with Typical Framing Details (Inside Glazed) - LW Receptor
8225TL Window Details with Typ. Framing Details (Outside Glazed) - Std Receptor
8225TL Window Details with Typ. Framing Details (Outside Glazed) - LW Receptor
8225TL Window Details with Typ. Framing (Outside Glazed) - Std Receptor Stops Up
8225TL Window Details with Typ. Framing (Outside Glazed) - LW Receptor Stops Up
8225TL Window Details with Typ. Framing Details (Inside Glazed) - Std Receptor
8225TL Window Details with Typ.Framing Details (Inside Glazed) - LW Receptor
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor, Strap Anchors and Splice Sleeves
Offset Pivot/Butt Hung with Surface Closer
Offset Pivot/Butt Hung with SA COC
Center Hung with COC (Open Back Frame)
Offset Pivot/Butt Hung with Surface Closer (Open Back Frame)
Offset Pivot/Butt Hung with SA COC (Open Back Frame)
Trifab® VersaGlaze® 451/451T Framing System (Thermal) FRONT PLANE
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
GLASSvent Window in Typical Framing Details (Outside Glazed)
GLASSvent Window in Typical Framing Details (Inside Glazed)
8225TL Window in Typical Framing Details (Outside Glazed)
8225TL Window in Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
Vertical Expansion Mullions
GLASSvent Window in Typical Framing Details (Outside Glazed)
GLASSvent Window in Typical Framing Details (Inside Glazed)
8225TL Window in Typical Framing Details (Outside Glazed)
8225TL Window in Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptors and Splice Sleeves
Typical Framing Details (Outside Glazed) - Std Receptor
Typical Framing Details (Outside Glazed) - Lightweight Receptor
Typical Framing Details (Outside Glazed) - Std Receptor Stops Up
Typical Framing Details (Inside Glazed) - Std Receptor
Typical Framing Details (Inside Glazed) - Lightweight Receptor
Typical Framing Details (Inside Glazed) - Std Receptor 2-color option
Typical Corner Details - Std Receptor
Typical Corner Details - Lightweight Receptor
GLASSvent Details with Typical Framing Details (Outside Glazed) - Std Receptor
GLASSvent Details with Typical Framing Details (Outside Glazed) - LW Receptor
GLASSvent Details with Typical Framing Details (Outside Glazed) - Std Receptor Stops Up
GLASSvent Details with Typical Framing Details (Inside Glazed) - Std Receptor
GLASSvent Details with Typical Framing Details (Inside Glazed) - LW Receptor
8225TL Window Details with Typ. Framing Details (Outside Glazed) - Std Receptor
8225TL Window Details with Typ. Framing Details (Outside Glazed) - LW Receptor
8225TL Window Details with Typ. Framing Details (Outside Glazed) - Std Receptor Stops Up
8225TL Window Details with Typ. Framing Details (Inside Glazed) - Std Receptor
8225TL Window Details with Typ. Framing Details (Inside Glazed) - LW Receptor
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor, Strap Anchors and Splice Sleeves
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
"2 Color Option" Framing Details (Outside Glazed)
"2 Color Option" Framing Details (Inside Glazed)
1/4" Infill Adaptor Details
Stool Trims, Strap Anchors and Splice Sleeves
Typical Framing Details (Inside Glazed)
Typical Framing Details "SSG" (Inside Glazed)
Typical Framing Details "Weatherseal" (Inside Glazed)
Optional Glazing Adaptors
Stool Trims and Brake Metal Adaptor
Offset Pivot/Butt Hung with Surface Closer
Offset Pivot/Butt Hung with SA COC
Trifab® VersaGlaze® 451/451T Framing System (Thermal) BACK PLANE
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed) with "Standard Receptor"
Typical Framing Details (Outside Glazed) with "Lightweight Receptor"
Typical Framing Details (Inside Glazed) with "Standard Receptor"
Typical Framing Details (Inside Glazed) with "Lightweight Receptor"
Typical Corner Details with "Standard Receptor"
Typical Corner Details with "Lightweight Receptor"
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor, Strap Anchors and Splice Sleeves
Offset Pivot/Butt Hung with Surface Closer
Offset Pivot/Butt Hung with SA COC
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Trifab® VersaGlaze® 451/451T Framing System (Thermal) MULTI- PLANE
Transition Mullion with "Standard Receptor"
Transition Mullion with "Lightweight Receptor"
Trifab® VersaGlaze® 451/451T Framing System (Thermal) MULTI-PLANE
Trifab® VersaGlaze® 451/451T Framing System (Non Thermal) CENTER PLANE
Typical Framing Details (Outside Glazed)
Optional Framing Details (Outside Glazed) "Glass Stops Up"
Typical Framing Details (Inside Glazed)
Pre-Glazed Option Details - (Outside Glazed)
KCDC040A0521_Pre-Glazed Option Details - (Outside Glazed) - "Glass Stops Up"
Pre-Glazed Option Details - (Inside Glazed)
Pre-Glazed Optional Vertical Details
Optional Vertical Mullions
Optional 4-1/2" Horizontal and Sidelite Bases
GLASSvent Details with Typical Framing Details (Outside Glazed)
GLASSvent Details with Optional Framing Details (Outside Glazed) "Glass Stops Up"
GLASSvent Details with Typical Framing Details (Inside Glazed)
8225TL Window Details with Typical Framing Details (Outside Glazed)
8225TL Window Details with Optional Framing Details (Outside Glazed) "Glass Stops Up"
87225TL Window Details with Typical Framing Details (Inside Glazed)
Optional 4-1/2" x 4-1/2" Head, Horizontal and Sill Details
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Framing Details for Curved openings
Typical Framing Details (Outside Glazed)
Optional Framing Details (Outside Glazed) "Glass Stops Up"
Typical Framing Details (Inside Glazed)
Optional Vertical Mullions
Optional 4-1/2" Horizontal and Sidelite Bases
GLASSvent Window in Typical Framing (Outside Glazed)
GLASSvent Window in Optional Framing (Outside Glazed) "Glass Stops Up"
GLASSvent Window in Typical Framing (Inside Glazed)
8225TL Window in Typical Framing (Outside Glazed)
8225TL Window in Optional Framing (Outside Glazed) "Glass Stops Up"
8225TL Window in Typical Framing (Inside Glazed)
Optional 4-1/2" x 4-1/2" Head, Horizontal and Sill Details
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed) with "Standard Receptor"
Typical Framing Details (Outside Glazed) with "Lightweight Receptor"
Typical Framing Details (Outside Glazed) with "Unequal Leg Receptor at Head and Sill"
Optional Framing Details (Outside Glazed) "Stops Up" with "Standard Receptor"
Optional Framing Details (Outside Glazed) "Stops Up" with "Lightweight Receptor"
Typical Framing Details (Inside Glazed) with "Standard Receptor"
KCDC042A0725_Typical Framing Details (Inside Glazed) with ^dLightweight Receptor^d
Optional Vertical Mullion Details with "Standard Receptor"
Optional Vertical Mullion Details with "Lightweight Receptor"
Typical Corner Details with "Standard Receptor"
Typical Corner Details with "Lightweight Receptor"
GLASSvent Wdw - "Std Receptor" Typical Frame (Outside Glazed)
GLASSvent Wdw - "Light Receptor" Typical Frame (Outside Glazed)
GLASSvent Wdw - "Std Receptor" Optional Frame (Outside Glazed) "Stops Up"
GLASSvent Wdw - "Light Receptor" Optional Frame (Outside Glazed) "Stops Up"
GLASSvent Wdw - "Std Receptor" Typical Frame (Inside Glazed)
GLASSvent Wdw - "Light Receptor" Typical Frame (Inside Glazed)
8225TL Window - "Std Receptor" Typical Frame (Outside Glazed)
8225TL Window - "Light Receptor" Typical Frame (Outside Glazed)
8225TL Window - "Std Receptor" Optional Frame (Outside Glazed) "Stops Up"
8225TL Window - "Light Receptor" Optional Frame (Outside Glazed) "Stops Up"
8225TL Window - "Std Receptor" Typical Frame (Inside Glazed)
8225TL Window - "Light Receptor" Typical Frame (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor, Strap Anchors and Splice Sleeves
Offset Pivot/Butt Hung with Surface Closer
KCDC044A0306_Offset Pivot/Butt Hung with SA COC
Center Hung with COC (Open Back Frame)
Offset Pivot/Butt Hung with Surface Closer (Open Back Frame)
Offset Pivot^fButt Hung with SA COC (Open Back Frame)
Trifab® VersaGlaze® 451/451T Framing System (Non Thermal) FRONT PLANE
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
GLASSvent Window in Typical Framing (Outside Glazed)
GLASSvent Window in Typical Framing (Inside Glazed)
8225TL Window in Typical Framing (Outside Glazed)
8225TL Window in Typical Framing (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
GLASSvent Window in Typical Framing (Outside Glazed)
GLASSvent Window in Typical Framing (Inside Glazed)
8225TL Window in Typical Framing (Outside Glazed)
8225TL Window in Typical Framing (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed) with "Standard Receptor"
Typical Framing Details (Outside Glazed) with "Lightweight Receptor"
Optional Framing Details (Outside Glazed) with "Standard Receptor"
Typical Framing Details (Inside Glazed) with "Standard Receptor"
Typical Framing Details (Inside Glazed) with "Lightweight Receptor"
"Two Color Option" Framing Details (Inside Glazed) with "Standard Receptor"
Typical Corner Details with "Standard Receptor"
GLASSvent Wdw - "Standard Receptor" Typical Framing (Outside Glazed)
GLASSvent Wdw - "Lightweight Receptor" Typical Framing (Outside Glazed)
GLASSvent Wdw - "Standard Receptor" Typical Framing (Outside Glazed)"Stops Up"
GLASSvent Wdw - "Standard Receptor" Typical Framing (Inside Glazed)
GLASSvent Wdw - "Lightweight Receptor" Typical Framing (Inside Glazed)
8225TL Window - "Standard Receptor" Typical Framing (Outside Glazed)
8225TL Window - "Lightweight Receptor" Typical Framing (Outside Glazed)
KCDC042B1620_8225TL Window - "Standard Receptor" Typical Framing (Outside Glazed)"Stops Up"
8225TL Window - "Standard Receptor" Typical Framing (Inside Glazed)
KCDC042B1820_8225TL Window - ^dLightweight Receptor^d Typical Framing (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor, Strap Anchors and Splice Sleeves
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
"2 Color Option" Framing Details (Outside Glazed)
"2 Color Option" Framing Details (Inside Glazed)
1/4" Infill Adaptor Details
Stool Trims, Strap Anchors and Splice Sleeves
ypical Framing Details (Inside Glazed)
Typical Framing Details "SSG" (Inside Glazed)
Typical Framing Details "Weatherseal" (Inside Glazed)
Optional Glazing Adaptors
KCDC044B0103_Center Hung with COC
Offset Pivot/Butt Hung with Surface Closer
Offset Pivot/Butt Hung with SA COC
Trifab® VersaGlaze® 451/451T Framing System (Non Thermal) BACK PLANE
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Typical Framing Details (Outside Glazed)
Typical Framing Details (Inside Glazed)
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor and Splice Sleeve
Framing Details (Outside Glazed) with "Standard Receptor"
Framing Details (Outside Glazed) with "Lightweight Receptor"
Framing Details (Inside Glazed) with "Standard Receptor"
Framing Details (Inside Glazed) with "Lightweight Receptor"
Corner Details with "Standard Receptor"
Corner Details with "Lightweight Receptor"
Optional Glazing Adaptors
Stool Trims, Brake Metal Adaptor, Strap Anchors and Splice Sleeves
Offset Pivot^fButt Hung with Surface Closer
Offset Pivot/Butt Hung with SA COC
Trifab® VersaGlaze® 451/451T Framing System (Non Thermal) MULTI- PLANE
Transition Mullion with "Standard Receptor"
KCDC042E0202_Transition Mullion with "Lightweight Receptor"
Trifab® VersaGlaze® 451/451T Framing System (Non Thermal) HURRICANE IMPACT
Typical Framing Details (Outside Glazed)
Offset Pivot/Butt Hung with Surface Closer
Offset Pivot/Butt Hung with COC
Typical Framing Details (Outside Glazed)
Offset Pivot/Butt Hung with Surface Closer
Offset Pivot/Butt Hung with COC
Curtain_Wall-Kawneer-Trifab_VG_451-SSB.rvt
Curtain_Wall-Kawneer-Trifab_VG_451-SSC.rvt
Curtain_Wall-Kawneer-Trifab_VG_451-SSF.rvt
Curtain_Wall-Kawneer-Trifab_VG_451T-SSB.rvt
Curtain_Wall-Kawneer-Trifab_VG_451T-SSC.rvt
Curtain_Wall-Kawneer-Trifab_VG_451T-SSF.rvt
Revit Details VG451-SSB.zip
Revit Details VG451-SSC.zip
Revit Details VG451-SSF.zip
Revit Details VG451T-SSB.zip
Revit Details VG451T-SSC.zip
Revit Details VG451T-SSF.zip
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.
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
159 KB
Material & Workmanship - French
166 KB
Material & Workmanship Sample (English)
192 KB
Material & Workmanship Sample (French Canadian)
201 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
