Masonry Magazine July 2003 Page. 32
Tuckpointing Tools
control dust during the cutting process, which is then connected to a dust collection system via a flexible hose. During operation, dust and small particles are captured by the shroud and routed through the vacuum hose and into a dust collection system. These dust-controlling tools provide greater visibility when cutting. There are no dust clouds, and because these systems are designed to cut dry, there's no slurry produced that can block visibility. They also help remove small debris particles that can cause a blade to skip, interfering with the operator's ability to make uniform cuts. Additionally, clean-up time is dramatically reduced.
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30 Masonry
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July 2003
Tuckpointing Basics
NOW THAT WE KNOW what tools are used in the tuck-pointing process, let's discuss tuckpointing basics. The first step is to cut out the mortar joint, horizontally and vertically. Select a blade width that is slightly thinner (1/8-inch) than the joint to be cut. Tuckpointing blades are typically available in widths from 1/8- to 1/2-inch. Position the saw over the mortar joint and gently ease the blade into the joint. Cutting with a diamond blade requires special attention to maintain a consistent cut in the joint line. These types of cutting tools are capable of cutting brick or block as easily as they remove mortar, so a steady hand is a must. Many contractors find it works best to position the saw at a level somewhere between waist and chest height. This provides maximum visibility, good bracing stability and reduced worker fatigue.
Usually, material is removed to a depth of between 1/2 and 3/4 of an inch. In some extreme cases, greater depths need to be reached to find sound material. Also, where brick damage or settling has severely damaged the joint, full removal and brick replacement may be necessary.
During the tuckpointing process, monitor the condition of the dust collection system and empty the dust bag when it reaches half full. A dust bag that is too full reduces or even stops the ability of the vacuum to work properly. A dust cloud is an indication that the bag is overloaded. To help avoid dust cont-
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