O le ie fiberglass mesh e faia i le medium-alkali poʻo le non-alkali fiber glass vulu ma faʻapipiʻiina i le alkali-resistant polymer emulsion.O le faʻaogaina o grids e sili atu ona fesoʻotaʻi ma pisinisi faʻasalalauga, ma o nofoaga o loʻo aʻafia ai e faʻaaogaina mo faʻasalalauga i luga o puipui maualuluga.