... ,waterproofing movement joint&sealed layer to glasses,Al Description:ZJ-2000 Weatherproofing Silicone sealant is a one-part,,neutral-cure,architectural ... to+-50% of the original joint widthWhere to use: ZJ-2000 is especially designed for general glazing and weather sealing in ... aluminum,decorative metal board,tile,and granite without primmer. ZJ-2000 Weatherproofing Silicone Sealant