Ref. Standards – IS: 1727, 2645
The usefulness of the integral water proofing compounds or admixtures is established by measuring the permeability of standard mortar specimens prepared with and without the addition of such compounds.
Permeability Apparatus ,Three cell model, with a Foot Pump (AIM 437)
Permeability Apparatus ,Six cell model, with an end pressure gauge (AIM 438)