Smartcare Primero an excellent weather proof primer, it avoids seapage and leackage issues. It works as primer as well as water proofing material that's why it is more convinent option than other primers. It can be applied on kind of surface and it gives good coverage as well. Smartcare Primero is a modified acrylic. water based alkali resistant primer_cum_sealer with silicone additives. It provides a superior adhesion and finish to your top coats as compared to other ordinary primers.