What is an “Elastomeric Coating”?
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What is an “Elastomeric Coating”?

Elastomeric

Under normal conditions, the long molecules making up an elastomeric material are irregularly coiled (A). With the application of force, the molecules straighten out in the direction in which they are being pulled (B).
Upon release, the molecules spontaneously return to their normal compact arrangement.

In our Case Study article, an elastomeric coating was used to provide water resistance to the EIFS building material. So what does “elastomeric” mean?

As its name implies, an “elastomer” is a rubbery synthetic polymer that has the unique ability to recover its original shape without damage after being stretched to a great extent. Without getting too technical, the elasticity is derived from the ability of long molecular chains to reconfigure themselves to distribute an applied stress.

Formulated into a coating, elastomers can provide maximum water resistance plus the durability to withstand a wide range of environmental conditions. Further, elastomeric coatings also offer superior UV resistance and deter growth of mold and mildew.

For best results, surface preparation and coating application should be performed under optimum environmental conditions to help prevent potential coating failure.

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