About This Creates an effective internal barrier that stops grout flow when filling block wall cells, helping prevent unwanted solid grouting in lower courses Allows masons to limit solid grouting to upper block courses, reducing grout usage and improving overall jobsite efficiency Lightweight mesh design installs easily inside CMU blocks without adding unnecessary weight or complexity to the wall system Moisture-permeable construction allows water to pass during construction, supporting proper curing and drainage Economical solution that helps reduce material waste while improving control and consistency in grouted masonry walls Supplied as a 100 ft. roll with a 10 in. width, providing ample coverage for commercial and residential masonry projects Overview Material : Plastic Brand : Bon Style : Classic Item dimensions L x W x H : 10 x 5 x 5 inches Water Resistance Level : Not Water Resistant