Is p-type putty a waterproof putty?

Exterior wall putty P-type due to easy to stick dirt, poor aging resistance, affecting the life and landscape, no good waterproofing effect, but toughness and crack resistance can still be, but now it is replaced by the exterior wall R-type.

The establishment of such a classification is mainly for the use of different putty to meet different application conditions, for example, for external wall insulation putty requirements putty layer strength to be lower than the strength of the insulation layer, and good flexibility, so the general requirement of R or T type.