Premium water-thinnable primer paint from trusted Birla Opus brand, engineered for outstanding whiteness and excellent opacity with superior adhesion to exterior walls. This advanced formula provides exceptional coverage of 100 with 8-year system warranty coverage. The primer offers excellent resistance to peeling with outstanding whiteness that enhances topcoat finish quality, making it perfect for exterior wall preparation requiring professional-grade base coat with guaranteed long-term performance. Advanced primer technology ensures strong substrate and inter-coat bonding while preventing chalking, flaking, and peeling in challenging weather conditions. The water-based, low VOC formula provides safe application with 4-6 hours drying time and excellent hiding power that covers surface imperfections effectively. With 36 months shelf life and proven durability, this premium primer delivers reliable performance for residential homes, commercial buildings, architectural projects, and construction developments. Professional-grade formula requires 1:1 water dilution and works seamlessly with all Birla Opus exterior topcoats, providing comprehensive exterior wall protection system that withstands Indian climate challenges while maintaining superior aesthetics and color vibrancy.