05-03-2007, 05:23 PM
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Member
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Join Date: Mar 2007
Location: Houston, Texas
Posts: 216
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Re: Identifying hardcoat stucco & EIFS
I typically just press on the material in question with the rounded handle end of a screw driver. As a general rule if its spongy when pressed its an EIFs. If the surface does not give at all then its hardcoat. (A very slight "give" may be an acrylic topcoat over hardcoat stucco.)
I've never damaged an EIFs or a hardcoat system using this method and have never mis identified the type of wall...that I know of  .
Watch out though for the hybrid wall systems that use both hardcoat and EIFs in selected areas! Those that I have encountered had hardcoat stucco in the field of the walls but used EIFs for accents around windows & doors and for other architectural embellishments such as ribbons and crowns.
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