Hey’di Bonding Agent – 5 Litres


Hey’di K11 Bonding Agent High solids content Greatly improved adhesion Resistant to water and the passage of salts Reduces cracking Ideal for external use

Category: Damp Proofing, Plasters, Re-Plastering, Render & Primers, Stone & Paving, Structural Waterproofing

Bonding Agent is a dispersion polymer of carboxylated styrene butadiene copolymer. It has been extensively used in the building industry for many years in the modification of cementitious systems. Unlike PVA when used in damp areas Bonding Agent will not re-emulsify and should therefore be specified for all external situations. Bonding Agent contains antifoam to help prevent excessive air entrainment and an antioxidant to give extended durability.

Can be used in both renders and floor screeds and is an integral part of the Hey’di K11 Tanking System. Renders and screeds show greatly improved adhesion to the substrate, reduced cracking and surface dusting. Furthermore, resistance to water and the passage of salts is greatly improved making it ideal for external use. Bonding Agent can also be used as a primer and sealer to improve inter-coat adhesion between successive layers. When used in concrete repair the addition of Bonding Agent greatly enhances the resistance of the concrete to carbonation and protects steel from corrosion. Its use in screeds allows work to be carried out in much thinner sections whilst maintaining performance levels.

Benefits and Features

  • Used in conjuction with Heydi K11 tanking slurry
  • High solids content
  • Greatly improved adhesion
  • Reduces cracking
  • Ideal for external use

Product Safety

  • Safety data sheet available on request
  • contains 1,2-benzisothiazol-3(2H)-one [BIT] & reaction mass of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isthiazol-3-one (3:1)[C(M)IT/MIT]. May produce an allergic reaction.


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