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  BUILDING PRODUCTS LISTING PROGRAM  
  Class: Fire Treated Wood Products  
       
  Customer: Safeguard Inc.  
  Location:

PO BOX 922 Wading River, NY USA 11792

  
       
  Listing No.: B1046-1  
  Effective Date: January 11, 2013  
  Last Revised: February 11, 2015  
  Expires: N/A  
       
  Product:

Safeguard FR Pressure Treated Plywood

Safeguard FR Pressure Treated Lumber		  
       
  Label:
 
       
  Standard(s):

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 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 D6841

“Standard Practice for Calculating Design Value Treatment Adjustment Factors for Fire-Retardant-Treated Lumber”

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)”

 
       
  Species: Southern Yellow Pine (SYP)  
       
Plywood Ratings:

The following outlines Safeguard FR Pressure Treated Plywood product ratings:

 

Table 1: Allowable Roof Sheathing Loads per ASTM D6305 (SYP)

 

Plywood Performance Category

Untreated Roof/

Subfloor Span rating

Untreated FbKS1(a)(b)

Treated Roof Sheathing Maximum Load (psf)1,2

Treated Floor Sheathing Span

(inches)

Span (inches)

Climate Zones

Zone 1A

Zone 1B

Zone 2

15/32", 1/2"

32/16

351

24

40

48

61

16

19/32", 5/8"

40/20

625

24

61

80

107

20

32

34

45

60

23/32", 3/4"

48/24

818

32

38

55

78

24

48

17

24

35

1.      Roof sheathing maximum load (w) = (TF)(C)(FbKS)(DOL)/L2 (Live load plus dead load)

a.      Fb– based on values from Table 3 of APA Plywood Design Specification (January 1997)

b.      KS – based on Un-sanded Panel values from Table 1 of APA Plywood Design Specification (January 1997)

c.      All loads are based on two span condition (C = 96 in/ft) with panels 24 inches wide or wider, strength axis perpendicular to supports.

d.      Duration of Load (DOL) equals 1.25 for Zone 1A and 1.15 for Zone 1B & 2.

2.      The 15/32” or ½” performance category is limited to performance rated 3-ply or 4-ply.  19/32” or 5/8” performance category is limited to performance rated 4-ply or 5-ply.  23/32” or 3/4” performance category is limited to performance rated 5-ply or 7-ply.

 

Table 2: Surface Burning Characteristics per ASTM E84 (Extended)/E2768 (SYP)

Plywood Thickness

Flame Spread Index

(FSI)

Smoke Developed Index

(SDI)

Flame Front

 

1/2” - 3/4"

<25

<25

< 10.5 feet
       
  Lumber Ratings:

The following outlines Safeguard FR Pressure Treated Lumber product ratings: 

Table 3: Treatment Adjustment Factor per Climate Zone per testing to ASTM D6841 (SYP)

 (Applicable at service temperatures up to 150°F (68°C))

Structural Property

Service Temp. up to 100°F

                     Roof Framing

Climate Zone 1A

Climate Zone 1B

Climate Zone 2

Extreme fiber stress in bending, Fb

0.93

0.93

0.93

0.93

Tension parallel to grain, Ft

0.97

0.97

0.97

0.97

Compression parallel to grain, Fc

1.00

1.00

1.00

1.00

Horizontal shear, Fu

0.99

0.99

0.99

0.99

Modulus of elasticity, E

1.00

1.00

1.00

1.00

Compression perpendicular to grain, Fcz

0.95

0.95

0.95

0.95

Fasteners/Connections

0.90

0.82

0.89

0.90

 Table 4: Surface Burning Characteristics per ASTM E84 (Extended)/E2768 (SYP)

Flame Spread Index

(FSI)

Smoke Developed Index

(SDI)

Flame Front

 

<25

<25

< 10.5 feet
 
   
  Note:

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. 

Safeguard FR Pressure Treated Plywood is not for use in conditions exposing the product to weathering.		  
 
 
 
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