Earth Bonding Emulsion

Tech-Dry® Earth Bonding Emulsion is an admixture for earth render and is specifically formulated to be used to dust seal and strengthen the internal surfaces of earth structures. The product is designed to penetrate into the capillaries of earth surfaces providing the substrate with dust-sealing effects.

An earth substrate treated with Earth Bonding Emulsion also has surface abrasion resistance effect. The treatment will not significantly change the surface appearance and the vapour permeability of the earth buildings. However, a slight sheen or darkening of the surface may occur for some earth structures.

Earth Bonding Emulsion is recommended as a dust-sealing material for earth buildings or other porous masonry substrates. This earth bonding product is also used as a binder in mud brick render or sand/cement render.


  • Water-based non-toxic formulation.
  • Penetrates into the masonry surface with no peel or blister.
  • Provides dust-sealing and surface abrasion resistant effect.
  • Does not significantly change the surface appearance and vapour permeability.
  • Improves strength, flexibility and adhesion of earth render if used in the render.
  • Easy application and cost effective.
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