4" Stipple Roller Sleeve for Durabak Textured Non-Slip Paint The Stipple Roller Sleeve is designed for even distribution of embedded rubber granules. Meant for use with textured varieties of Durabak ONLY. We recommend one roller per coat. Available in a 4 or 9 inch roller sleeve. NOTE: Use of other types of rollers may cause clumping of the Durabak rubber tire granules.