Elastomeric Coating

Definition - What does Elastomeric Coating mean?

Elastomeric coatings are protective barriers that are applied on interior and exterior walls as wall paints. Elastomeric coatings can be water-based coatings and paints or acrylic latex paints. They are applied as a thick coat on concrete structures.

Elastomeric coatings or acrylic resin coatings fall in the category of latex paints because they have a milky color when wet, and after drying they become flexible, stretchable and have a clear appearance.

An elastomeric coating may also be known as a latex coating or an acrylic latex.

Corrosionpedia explains Elastomeric Coating

A common application for elastomeric coatings is to prevent corrosion on steel reinforcement bars (rebars) by covering the gaps, cracks and small openings through which the outside air can enter the concrete structure. Elastomeric coatings also improve the structure's appearance.

Elastomeric coatings have the following characteristics:

  • Blocks the open pores of concrete when the coat dries
  • Resists solvents and microorganisms
  • Good resistance against chalking, cracking, blistering, peeling and flaking
  • Adhesion strength
  • Retains color for long periods
  • Fast dry time with minimal odor
  • Smooth when applied on surfaces
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