Scottpat Posted April 16, 2010 Report Share Posted April 16, 2010 I'm trying to ID the backer board that has been used as an underlayment for an exterior tile installation on a covered deck. The little round balls are Styrofoam (foam) balls embedded into the cementitious backer board. Anyone have any ideas? Click to Enlarge 31.39 KB Quote Link to comment Share on other sites More sharing options...
hausdok Posted April 16, 2010 Report Share Posted April 16, 2010 Easyboard? http://www.custombuildingproducts.com/d ... rcâ©=en http://www.ctioa.org/reports/ctc_grad/ctc1.html http://www.corkin.com/listings/viewlist ... ngid=45207 http://www.tclear.com/brochures/EZBacker.pdf OT - OF!!! M. Quote Link to comment Share on other sites More sharing options...
Hearthman Posted August 8, 2010 Report Share Posted August 8, 2010 WonderBoard has Styrofoam balls, which is why it cannot pass ASTM E-136 for non-combustible material Quote Link to comment Share on other sites More sharing options...
robert1966 Posted August 20, 2010 Report Share Posted August 20, 2010 It does not really look like the wonderboard I am use to along the cut edges, although it does have an open meshed edge. However wonderboard can be used on decks according to the man. guidelines. Easyboard is really designed for interior use, either way both products should be sealed along any cut or exposed seams... I may be wrong, just my 2 cents. Quote Link to comment Share on other sites More sharing options...
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