ZG 21
Waterproof background for basement, GP-CSIV-W2 according to the UNI EN 998-1
Description:Dry premix based on selected inerts, special binders, water proofing agent and additives aimed at improving workability and grip.
ZG 21 is used as a background plaster for the base-wall work on interior and exterior surfaces like brick, block, etc. The application must always be executed on surfaces free of dust, efflorescence, oils, fats and disarming.
ZG 21 should not be applied to gypsum, inconsistent and brittle surfaces. Due to its specific formulation, it may be applied directly on concrete surfaces.
For use on particular areas, consult our technical service.
ZG 21 should not be applied to gypsum, inconsistent and brittle surfaces. Due to its specific formulation, it may be applied directly on concrete surfaces.
For use on particular areas, consult our technical service.
Specific weight determined in free fall
1550
kg/m³
Maximum diameter
2
mm
Water in the mix (percentage)
circa 20
%
Consumption per 1 cm layer
16-18
kg/m²
Water vapor permeability μ
20
Thermal conductivity λ
0,73
W/mK
Data sheet
EC table
DoP
Safety Data Sheet