UL Firerated

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Design No. U906

Bearing Wall Rating - 2 HR.
Nonbearing Wall Rating - 2 HR.

1. Concrete Blocks* - Nominal 6 by 8 by 16 in., hollow or solid.
   Classificaon D-2 (2 hr).
        Anchor Concrete Products, Inc.
        Florida Rock Industries, Inc.
        Pike Industries Inc., d/b/a Tilcon Whitcomb.
        Westbrook Concrete Block Co., Inc.
   
2. Mortar - Blocks laid in full bed of mortar, nom. 3/8 in. thick, of not less than 2-1/4 and not more than 3-1/2 parts of clean sharp sand to 1 part Portland cement (proportioned by volume) and not more than 50 percent hydrated lime (by cement volume). Vertical joints staggered.
3. Portland Cement Stucco or Gypsum Plaster - If used, add 1/2 hr. to Classification. Attached to concrete blocks (Item 1)
4. Foamed Plastic* - (Optional - not shown) 1-1/2 in thick max, 4 ft wide sheathing attached to concrete blocks (Item 1).
        Celotex Corp. - Type Thermax

*Bearing the UL Classification Marking

U901 | X902 | U904| U905 | U906 | U910 | U912 | U913 | U914