1.1 This test method covers a procedure for determining the water permeability of coarse granular materials used in the drainage layers of green roof systems.1.2 This test method addresses water permeability under the low-head conditions that ty
ASTM
Standard Test Method for Saturated Water Permeability of Granular Drainage Media [Falling-Head Method] for Green Roof Systems
STD-58740
2005
2005-08-15
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