... facade,waterproofing movement joint&sealed layer to glasses,Al Description:ZJ-2000 Weatherproofing Silicone sealant is a one-part,,neutral-cure ... ,rain,snow,ozone or temperature extremes. 5.low modulus sealant 6.extension/compreession movvement capability of up to+-50% of the ... original joint widthWhere to use: ZJ-2000 is especially designed for general glazing and weather sealing ...