This standard provides requirements for the field application of polyurea@ polyurethane@ or polyurea/polyurethane hybrid thick film coatings to concrete or steel surfaces using plural component spray equipment. In this standard@ thick film coatings are defined as coatings specified to have greater than 500 micrometers [??] (20 mils) dry film thickness. Surface preparation@ pretreatments@ machinery requirements and parameters are addressed in this standard.
PA 14-2012 history
2012PA 14-2012 Application of Thick Film Polyurea and Polyurethane Coatings to Concrete and Steel Using Plural-Component Equipment