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The MARSHALLTOWN 17816 is a seamless white plastic Blu-Tip grout bag designed for filling and finishing mortar joints in masonry applications. The molded tip can be cut to the desired opening size, giving the installer direct control over bead width and flow rate. At 0.135 pounds, the bag is lightweight enough for extended overhead or vertical work without fatigue. Tile setters, masons, and masonry contractors use this tool to pack grout or mortar into joints cleanly and with minimal waste. The seamless construction prevents blowouts under pressure and simplifies cleanup between pours.
This grout bag is suited for residential and light commercial masonry work where precise joint filling is required. Typical applications include flagstone patios, brick walkways, retaining walls, cultured stone installations, and any surface where trowel access is limited or where a cleaner finish line is needed. The cut-to-fit molded tip accommodates a range of joint widths without requiring separate tip accessories. It is sold individually and is intended for single-use or short-run applications with hard-to-clean materials such as natural stone, tumbled brick, or rough-faced block.
Designed as an OEM-style replacement and standard-use grout bag compatible with Portland cement-based mortars and grouts commonly used in masonry jointing applications.
This tool is typically used by tile setters, masons, and masonry contractors as part of the joint-finishing phase of installation. Fill the bag no more than two-thirds full to maintain control and reduce strain on the seams. Cut the molded tip incrementally to avoid removing more material than needed for the target joint width. Wear appropriate PPE when working with cementitious materials, and follow applicable safety data sheet guidance for the mortar or grout product being placed.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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