Hydro Primer is a ready for use primer which reinforces significantly the adhesiveness of the hydro isolators on layers with concrete, mortar, plaster, panel and gypsum containing.This product is a polymer in water dispersion which is applied on porous surfaces by significantly increasing the adhesiveness between elastomeric based hydro isolations and the support. HYDRO PRIMER has a penetrating ability in all the surfaces pores where the hydro isolator will be applied by improving and increasing the adhesive ability between the hydro isolators and the surface which will be hydro isolated. The surfaces which will be treated with the primer must be totally dry and clean of dust. It is recommended to mix before application. It is easily applicable with a brush or roller on surfaces before applying the elastomeric hydro isolators.The product can be preserved for 18 months in the original packing and at a dry place at temperatures from +5°C up to +35°C. Avoid exposing the product at low temperatures (freezing) as well as at high temperatures