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Chicago Flameproof and Wood Specialties Corp.

Building Products Listing Program

Customer:

Chicago Flameproof and Wood Specialties Corp.
Class:

Fire Retardant Treated Wood Products
Location:

1200 South Lake Street, Montgomery, IL
Website:

www.chicagoflameproof.com
Listing No.:

B1093-1
Project No.:

B1093-1
Effective Date:

July 12, 2016
Last Revised Date:

November 2, 2018
Expires:

N/A

Standards:

ASTM E84	Standard Test Method for Surface Burning Characteristics of Building Materials”, extended to 30 minutes duration.
ASTM E2768	Standard Test Method for Extended Duration Surface Burning Characteristics of Building Materials – 30 min Tunnel Test
ASTM D5516	Standard Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures
ASTM D6305	Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire-Retardant-Treated Plywood for Roof Sheathing
ASTM D5664	Standard Test Method for Evaluating the Effects of Fire-Retardant Treatments and Elevated Temperatures on Strength Properties of Fire-Retardant Treated Lumber
ASTM D6381	Standard Practice for Calculating Design Value Treatment Adjustment Factors for Fire-Retardant-Treated Lumber
ASTM D3201	Standard Test Method for Hygroscopic Properties of Fire-Retardant Wood and Wood-Base Products

Product:

FlameTech™ Fire Retardant Treated Lumber
FlameTech™ Fire Retardant Treated Plywood
Markings:

Species: Douglas-fir (DF), Spruce-Pine-Fir, Southern Yellow Pine (SYP), Other Species Lumber

SYP, DF and Other Softwood Plywoods
Label:

Please see listing document link at the top of the page

Models:

The following outlines FlameTech™ Pressure Treated Plywood product ratings:

Table 1: FlameTech™ Plywood Surface Burning Characteristics per ASTM E84 (Extended) / ASTM E2768

NOMINAL DIMENSIONS	SPECIES	FLAME SPREAD (FSI)	SMOKE DEVELOPED INDEX (SDI)	FLAME FRONT*
1/2″ – 3/4″	SYP	< 25	< 50	< 10.5 feet.
1/2″ – 3/4″	DF	< 25	< 50	< 10.5 feet.

*No evidence of significant progressive combustion after extended 20 minute duration.

FlameTech™ Treated Plywood Maximum Loads and Spans determined per ASTM D6305 based on testing to ASTM D5516 are outlined in Table 4:

Table 2. FlameTech™ Plywood Maximum Loads and Spans

PLYWOOD THICKNESS (inches)	UNTREATED SPAN RATINGS (Roof / Subfloor)	TREATED SHEATHING SPAN (in)	MAXIMUM LIVE LOAD
			ZONE 1A	ZONE 1B	ZONE 2
			(psf)	(psf)	(psf)
15/32 (0.469)	32/16	24	29	42	61
19/32 (0.594)	40/20	24	49	72	103
19/32 (0.594)	40/20	32	28	41	58
23/32 (0.719)	48/24	32	40	59	84
23/32 (0.719)	48/24	48	18	26	37

Lumber Ratings: The following outlines FlameTech™ Pressure Treated Lumber product ratings:

Table 3: Surface Burning Characteristics per ASTM E84 (Extended) / ASTM E2768

NOMINAL DIMENSIONS	SPECIES	Flame Spread Index (FSI)	Smoke Developed Index (SDI)	Flame Front*
2×4, 2×6, 2×8, 2×10, 2×12	SPF, DF, SYP	< 25	< 450	< 10.5 feet.

*No evidence of significant progressive combustion after extended 20 minute duration.

FlameTech™ Treated Lumber Allowable Design Properties Determined per ASTM D6841 based on testing to ASTM D5664 are outlined in Table 6:

Table 4: FlameTech™ Lumber Allowable Design Properties

Allowable Design Properties Service Temperature Service ≤ 100^oF

PROPERTY	DF	SPF	SYP	OTHER
Extreme fiber stress in bending, Fb	1.00	0.96	0.82	0.82
Tension parallel to grain, Ft	1.00	0.99	0.98	0.98
Compression parallel to grain, F_CII	0.96	0.95	0.96	0.95
Horizontal shear, Fu	1.00	1.00	0.95	0.95
Modulus of elasticity, E	0.99	0.93	0.87	0.87
Compression perpendicular to grain, FCI Fastener Connections	0.95 0.90	0.95 0.90	0.95 0.90	0.95 0.90

Allowable Design Properties Service Temperature Service > 100^oF ≤ 150^oF

PROPERTY	DF			SPF			SYP			OTHER
PROPERTY	IA	1B	2	1A	1B	2	1A	1B	2	1A	1B	2
Extreme fiber stress in bending, Fb	1.00	1.00	1.00	0.91	0.93	0.95	0.81	0.81	0.81	0.81	0.81	0.81
Tension parallel to grain, Ft	0.91	0.95	0.99	0.93	0.96	0.99	0.84	0.90	0.96	0.84	0.90	0.96
Compression parallel to grain, F_CII	0.87	0.91	0.95	0.88	0.91	0.94	0.82	0.88	0.94	0.82	0.88	0.94
Horizontal shear, Fu	0.91	0.95	0.99	0.93	0.96	0.99	0.81	0.87	0.93	0.81	0.87	0.93
Modulus of elasticity, E	0.99	0.99	0.99	0.96	0.96	0.96	0.87	0.87	0.87	0.87	0.87	0.87
Compression perpendicular to grain, F_CI	0.95	0.95	0.95	0.95	0.95	0.95	0.95	0.95	0.95	0.95	0.95	0.95
Fastener Connections	0.90	0.90	0.90	0.90	0.90	0.90	0.90	0.90	0.90	0.90	0.90	0.90

Notes:

FlameTech™ lumber products found in Table 6 were found to have a less than 28% moisture content when tested in accordance with ASTM D3201 at a 92 percent-relative humidity.
Final acceptance of the product in the intended application is to be determined by the authority having jurisdiction.
These results do not apply to engineered wood products.
FlameTech™ Pressure Treated Lumber and Plywood products are not for use in conditions exposing the product to weathering.

The materials, products or systems listed in this directory have been qualified to bear the QAI Listing Mark under the conditions stated with each Listing. Only those products bearing the QAI Listing Mark are considered to be listed by QAI.

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