Requirements for three classes of repellents, defined according to the masonry surfaces for which they are suitable. Application properties and test requirements for early water repellency, absorption of water, evaporation of water, durability and stability; advice on selection and use.

BS 3826:1969
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for silicone-based water repellents for masonry
BSI Group , 10/29/1976

