weber primer 401

Acrylic Waterproofing Primer-Weber Primer 401

weber primer 401 is a high perfomance acrylic based water
proofing primer with excellent bonding agent properties with the
substrate, the substrate can be gypsum board, cementatious
board, new and old concrete. It yields into overall strength
properties of water proofing coating system


Floor, Wall


  • 20 L Bucket

To know before applying

  • The surface for bonding treatment must be thoroughly cleaned of all laitance, loose material, oil, greases etc.
  • Pre wet the surface with water adequately to saturate surface dry condition. Ensure that there is no standing water
  • After saturating the surface apply 1-2 coat of weber primer 401 with brush mixed with water in 1:1 ratio
  • Allow the weber primer 401 to dry for 30 -60 mins depending upon weather conditions

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Documentation and brochures

Features and benefits

• Increase adhesion between substrate and water proofing material
• Provide high durability of waterproofing coating even in continuous contact with water
• Easily brush applied
• Non toxic