Therma-Floor^® Fire Ratings/Detail Drawings

Bar Joist Framing

1 Hour - Warnock Hersey Test #WH1-694-029

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Hambro Systems

1, 1.5, & 2 Hour - UL Design No. G524

Not Avail.

Light Gauge Steel

1 Hour - U.L. Design No. L524,
furring channels and 2 layers 5/8" Gypsum Board - L573
Metal joist, Viroc subfloor, batt insulation with
resilient channel and 1 layer 5/8" Type C Gypsum
Board - L564
iSpan Light Gauge Steel Joist w/batt insulation, resilient channel, 5/8" gypsum board - L575, L594
w/batt insulation, resilient channel, & 2 layers 5/8" gypsum board - M505
1.5 Hour - w/resilient channel & 2 layers, 5/8" Gypsum Board - L527
NUJOIST Steel Joist - L599

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Parallel Chord Truss

1 Hour - U.L. Design Nos. L528, L529, L534
w/batt insulation - L546, L555, L563, L579
w/furring channels & 2 layers 1/2" Gypsum Board - L542
w/batt or loose fill insulation - L574
w/resilient channel & batt insulation - L558, L562, L592, M503
Kinetics ICW clip, 2 layers 5/8" Gypsum Board and batt insulation - L581
w/resilient channel & batt insulation & 1 layer 5/8" Gypsum Board - L585
w/1 layer 5/8" gypsum board, resilient channel, & 2 layers 5/8" gypsum board - M500

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Precast

2, 3 and 4 Hour - U.L. Design Nos.
J917, J919, J920, J924, J927, J931, J957, J958, J966, J991, J994, K906

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Spacejoist TE

1 Hour - No. TSC/FCA 60-01
Without resilient channel, w/ TrusGard® Protective Channel No. FC378

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Steel Joist/Metal Decking

1 and 2 Hour - UL Design No. G560 - 16 MSG galv steel joist by Dietrich Industries, Inc.*
1, 1.5, and 2 Hour - G561 - Vulcraft corrugated steel floor and form unites topped with 2 1/2" concrete
1 and 2 Hour - G566 - Gateway Panel Steel Joist, 24" o.c. with 22 MSG corrugated steel deck*
2 Hour - G563 - Marino\Ware Steel Joist, 24" o.c. with 22 MSG corrugated steel deck*
2 Hour - G571 - NUJOIST Steel Joist, 24" o.c. with 16 MSG corrugated steel deck*
2 Hour - G574 - CEMCO Steel Joist, 24" o.c. with 22 MSG corrugated steel deck*

Not Avail.

TJL Truss

1 Hour - U.L. Design No. L518 and PFC - 4354

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Wood Joist

2 Hour - U.L. Design Nos. L505, L511, L536, L541

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Wood Joist

1 Hour - U.L. Design Nos.
Gypsum board screwed direct - L501, L503, L506, L507, L509, L512, L519, L522, L537, L557
Resilient channel - L502, L513, L514, L515, L523, L535
2 Layers gypsum board w/resilient channel - L517
Acoustical ceiling - L004, L206, L525
Suspended Ceiling: L005, L006, L201, L202, L208, L209, L210, L211, L212, L508, L526
w/batt insulation & furring channels - L508
furring channels - L510
w/resilient channel & batt insulation - L516, L533, L545, L593
no insulation, 1 layer Gypsum Board screwed direct - L588

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Wood I Joist

1 Hour - UL Design No. L518, UL Design Nos. L530 w/Simpson Strong-clips;
1-1/2 Hour - UL Design No. L547 TJI®, furring channels without batt insulation;
2 Hour - UL Design No. L538
• 1 Hour - ITS (Warnock Hersey Test) #J20050694 -
Nascor™
• 1 Hour - ESR-1153 (7 assemblies) 2 layers 1/2"
Type X Gypsum Board and Batt Insulation - TJI®
• 1 Hour - Kinetics Isomax clip, 2 layers 5/8" Gypsum Board and batt insulation - L583
• 1 Hour - w/ resilient channel and batt insulation and 2 layers 1/2" Gypsum Board - L589

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Additional U.L. Design Numbers: (not pictured)

L504 – Prefabricated Floor Panels, 1-hour assembly
L520 – 2x10 Wood Joist 3/4-hour assembly
L539 – 2x10 Wood Joist 1-hour assembly
L540 – 2x10 Wood Joist 1-hour assembly
L543 – Steel Joist 1-hour assembly
L549 – Steel Chord & Web Truss 1-hour assembly
L551 – Steel Chord & Web Truss 1-hour assembly
L552 – Steel Truss 1-hour assembly
L556 – Willamette I Beam Truss 2-hour assembly
L560 – Steel Truss 1-hour assembly
M504 – 2x10 Wood Joist 3/4-hour assembly

Not Avail.

Polystyrene Systems

Detail Drawing

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Radiant Floor Heating

Detail Drawing

Not Avail.

With Acousti-Mat II / Plastic Reinforcement

Detail Drawing

Not Avail.

With Acousti-Mat II / Welded Wire

Detail Drawing

Not Avail.