Directory of Listed
|BUILDING PRODUCTS LISTING PROGRAM|
|Class:||Fire Treated Wood Products|
PO BOX 922 Wading River, NY USA 11792
|Effective Date:||January 11, 2013|
|Last Revised:||February 11, 2015|
Safeguard FR Pressure Treated PlywoodSafeguard FR Pressure Treated Lumber
|Species:||Southern Yellow Pine (SYP)|
The following outlines Safeguard FR Pressure Treated Plywood product ratings:
Table 1: Allowable Roof Sheathing Loads per ASTM D6305 (SYP)
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 ˝” 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)
The following outlines Safeguard FR Pressure Treated Lumber product
Table 3: Treatment Adjustment Factor per Climate Zone per testing to ASTM D6841 (SYP)
(Applicable at service temperatures up to 150°F (68°C))
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.
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.
No warrantee is expressed or implied, and no guarantee is provided that any jurisdictional authority will accept the Listing found herein. The appropriate authorities should be contacted regarding the acceptability of any given Listing.
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