296-150V-1040  <<  296-150V-1070 >>   296-150V-1090

WAC 296-150V-1070

What requirements apply to floor closure material?

(1) Floor closure material around piping, ducts, plenums, or vents must prevent damage to the underside of the vendor unit due to air, water, insects, dust, and be rodent resistant.
(2) The floor closure material must meet ASTM D-781 standard or equal and be installed as follows:
(a) Fibrous material (with or without patches) must meet or exceed the level of 48 inch-pounds of puncture resistance as tested.
(b) Patching material must be installed according to installation instructions furnished by the supplier of the material.
(c) The material must be suitable for patches and the patch life must be equivalent to the material life.
Note:
ASTM D-781 is a puncture test for bottom board materials.
[Statutory Authority: Chapter 43.22 RCW. WSR 99-18-069, ยง 296-150V-1070, filed 8/31/99, effective 10/1/99.]
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