Decades of leadership in curtain wall fire containment systems
Thermafiber pioneered the testing of curtain wall fire containment in 1971 and continues to raise the bar with new tests each year. Our newest innovation, the Impasse® curtain wall insulation system, overlaps components during installation to lock in the fire barrier, virtually eliminating the possibility of insulation materials becoming dislodged by fire’s turbulent forces. Proprietary hangers also make installation of the Impasse system simple, accurate and fast. Thermafiber’s Safing insulation and FireSpan® 90 and FireSpan® 40 curtain wall insulations are approved for use in perimeter fire containment assemblies listed by UL® and Intertek.
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| Frame Type | Frame Choice | UL Test | SS Manufacturer | Hourly Rating | Products | Description | CAD |
| Aluminium Box Frame | Spandrel Height 0" to 3" | CW-D-1014 | STI | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Spandrel Height 0" to 3" | CW-D-1015 | Hilti | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Spandrel Height 0" to 3" | CW-D-1016 | Rectorseal | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Spandrel Height 0" to 3" | CW-D-1017 | 3M | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Spandrel Height 6" and above | CW-D-1013 | STI | 1 1.5 2 |
FireSpan FireLedge Impasse Hanger System Safing No Backer Bar System |
Aluminum box frame curtain wall system with glass/aluminum/stone panels. No Backer Bar System sill height. Minimum 6" Transom height. Spandrel Panel height is 36" | CW-D-1013 |
| Aluminium Box Frame | Spandrel Height 6" and above | CW-D-2042 | STI | 1 1.5 2 |
FireSpan Safing Sprial Anchors |
Aluminum box frame curtain wall system with glass/aluminum/stone spandrels. Reduced spandrel panel height and vision panel sill height. Minimum 6" Transom height. Spandrel Panel height is 36" | |
| Aluminium Box Frame | Spandrel Height 30" and above | CW-D-2039 | STI | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum box frame curtain wall with glass spandrels. Impasse system with minimum 33" transom height. Spandrel Panel is 69". | CW-D-2039 |
| Aluminium Box Frame | Spandrel Height 30" and above | CW-D-2046 | Hilti | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum box framed curtain wall with glass/aluminum/stone panels. Impasse System with minimum 33" transom height. Spandrel panel height is 69". | |
| Aluminium Box Frame | Spandrel Height 30" and above | CW-D-2047 | Rectorseal | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum box frame curtain wall with glass spandrels. Impasse system with minimum 33" transom height. Spandrel Panel is 69". | |
| Aluminium Box Frame | Impasse Hangers | CW-D-1014 | STI | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | CW-D-1014 |
| Aluminium Box Frame | Impasse Hangers | CW-D-2039 | STI | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall with glass spandrel. Minimum 33" transom height, Spandrel panel is 69" | |
| Aluminium Box Frame | Impasse Hangers | CW-D-1015 | Hilti | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Impasse Hangers | CW-D-2046 | Hilti | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum box framed curtain wall with glass/aluminum/stone panels. Impasse System with minimum 33" transom height. Spandrel panel height is 69". | |
| Aluminium Box Frame | Impasse Hangers | CW-D-1016 | Rectorseal | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Impasse Hangers | CW-D-2051 | Rectorseal | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall with glass spandrel. Minimum 33" transom height, Spandrel panel is 69" | |
| Aluminium Box Frame | Impasse Hangers | CW-D-1017 | 3M | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum frame curtain wall system with glass/aluminum/stone panels. The height is reduced on the spandrel and vision panel sill. No stiffener tee. | |
| Aluminium Box Frame | Impasse Hangers | CW-D-2055 | 3M | 1 1.5 2 |
FireSpan Impasse Hanger System Safing |
Aluminum box framed curtain wall with glass/aluminum/stone panels. Impasse System with minimum 33" transom height. Spandrel panel height is 69". | |
| Aluminium Box Frame | Exterior Installation | CW-D-2056 | STI | 1 1.5 2 |
Firespan Safing |
Aluminum framed curtain wall with glass/aluminum/stone spandrels. Exterior Installation. I Shape Mullions. Minimum 6" Spandrel height. Spandrel height is 36". | CW-D-2056 |
| Aluminium Box Frame | Traditional Impaling Pins | CW-S-2003 | STI | 1 1.5 |
Firespan Safing |
Aluminum box framed curtain wall with glass spandresl. Steel perimeter angle around framed opening. Minimum transom height 24". Spandrel panel height is 60". | |
| Aluminium Box Frame | Traditional Impaling Pins | CW-S-2003 | STI | 2 |
Firespan Safing |
Aluminum box framed curtain wall with glass spandrels. Steel perimeter angle around framed opening. Minimum transom height 34". Spandrel panel height is 69". | |
| Aluminium Box Frame | Steel BackPan (inboard) | CW-S-0004 | STI | 1 1.5 2 |
Firespan Safing |
Steel backpan system. Aluminum framed curtain wall with glass/aluminum/stone spandrel panels. Transom minimum 6" above floor. Spandrel panel height is a minimum 36". | CW-S-0004 |
| Aluminium Box Frame | Steel BackPan (outboard) | CW-D-1004 | STI | 1 1.5 2 |
Firespan Safing |
Steel backpan system. Aluminum framed curtain wall with glass/aluminum/stone spandrel panels. Transom minimum 34" above floor. Spandrel panel height is a minimum 66". | CW-D-1004 |
| Aluminum "I" Mullion Frames | 3" Firespan 90 | CW-D-1008 | STI | 1 1.5 2 |
Firespan Safing |
Aluminum framed curtain wall with glass/aluminum/stone spandrels. Reduced spandrel panel hegiht and vision panel sill height. Transom minimum 6" above floor. Spandrel Panel height minimum 36". | |
| Aluminum "I" Mullion Frames | 4" FireSpan 40 | CW-D-2057 | STI | 1 1.5 2 |
Firespan Safing |
I-Mullion curtain wall system with glass/aluminum/stone spandrels. Reduced spandrel panel height and vision panel sill height. Steel Hat Channels. Transom height minimum 6". Spandrel panel height minimum 36". | |
| Aluminum "I" Mullion Frames | Large Joint (10") | CW-D-2057 | STI | 1 1.5 2 |
Firespan Safing |
I-Mullion curtain wall system with glass/aluminum/stone spandrels. Reduced spandrel panel height and vision panel sill height. Steel Hat Channels. Transom height minimum 6". Spandrel panel height minimum 36". | |
| Steel Stud Frame | Exterior Stud Wall | CW-S-1002 | STI | 1 1.5 2 |
Firespan Safing |
Gypsum sheathed/steel stud wall. 3" Firespan 90 in stud cavity Various finishes: brck/metal/stucco. Window minimum 34" above floor and minimum 33" below floor. Spandrel panel width is 71.5" | CW-S-1002 |
| Steel Stud Frame | Exterior Stud Wall | CW-S-1010 | STI | 1 1.5 2 |
Firespan Safing |
Gypsum sheathed/steel stud wall. 4" FireSpan 40 used in stud cavity. Various finished: brick/metal/stucco. Window width 34" minimum above floor and minimum 33" below floor. Spandrel panel width is 71.5" | |
| Steel Stud Frame | Cantilever Wall | CW-S-0001 | STI | 1 1.5 2 |
Firespan Safing |
Stud wall cantilver overedge with low sill height. Various exterior finishes: brick/metal/EIFS/GFRC. | |
| Steel Stud Frame | Window Sill Height Min 6" | CW-S-1022 | STI | 1 1.5 2 |
Firespan Safing |
Gypsum sheathed/steel stud wall with low sill height. Various finshes: brick/metal/EIFS/stucco. | |
| Steel Stud Frame | Large Joint (10") | CW-S-2066 | STI | 1 1.5 2 3 |
Safing | I-Mullion curtain wall system with glass/aluminum/stone spandrels. Spandrel panel and vision panel sill height is reduced. 6" minimum window height. Minimum of 36" between windows (spandrel panel) | |
| No Frame (with Concrete Panel) | Uninsulated | CW-D-2005 | STI | 1 1.5 2, 3 |
Safing | Uninsulated concrete or tilt up panels (min 4" thick). Windows minimum 6" above floor. 36" minimum spandrel between windows | CW-D-2005 |
| No Frame (with Concrete Panel) | Uninsulated | CW-D-1018 | Hilti | 1 1.5 2, 3 |
Safing | Uninsulated concrete or tilt up panels (min 4" thick). Windows minimum 6" above floor. 36" minimum spandrel between windows | |
| No Frame (with Concrete Panel) | Insulated | CW-D-2006 | STI | 1 1.5 2 |
Safing | Insulated concrete or tilt up panels with min 2" thick insulation. Minimum of 36" between windows (spandrel panel) | CW-D-2006 |
| No Frame (with Concrete Panel) | GFRC uninsulated | CW-S-2066 | STI | 1 1.5 2, 3 |
Safing | I-Mullion curtain wall system with glass/aluminum/stone spandrels. Spandrel panel and vision panel sill height is reduced. 6" minimum window height. Minimum of 36" between windows (spandrel panel) | |
