It is necessary to rasp the entire expanded polystyrene (EPS) surface prior to EIFS base coat application. Completely removing the existing surface by rasping removes any surface contaminants and the newly opened surface improves overall adhesion. Once complete it is necessary to remove any loose EPS material that remains on the wall surface and on the floor of the application area.
Rasping a EIFS EPS foam wall may be done with any of our Durarasp rasp hand held rasping tools or by attaching our self-adhering abrasive rasp paper to a standard rasp tool.
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Badgerland Supply, Inc. 809 Watson Avenue, Madison WI, 53725 US