Berger Walmasta Primer DUO is a versatile acrylic water-based primer suitable for both interior and exterior masonry surfaces. It delivers excellent opaqueness and brightness, creating a smooth matt base that enhances topcoat adhesion and long-term durability. This eco-friendly, Green Pro certified primer also provides superior resistance to chalking, protecting walls from weathering and ensuring a vibrant finish.

Coverage:

• Interior: ~90–110 sq ft per litre per coat

• Exterior: ~50–60 sq ft per litre per coat

Key Features:

• High whiteness & opacity for reduced coats

• Smooth, even base for topcoats

• Strong adhesion on plaster and masonry

• Excellent chalk resistance

• Suitable for interior and exterior use

• Green Pro certified & eco‑friendly

Keywords: Walmasta Primer DUO, interior exterior wall primer, Berger Walmasta primer coverage, anti-chalking primer, masonry primer India.