Easiest, fastest and most accurate way to apply mortar & grout. Unlike other pointing guns, there is no small nozzle to block and no mechanism to break. The PointMaster's design keeps it simple, so you can use the tool more efficiently.
In architecture and engineering, a joist is one of the horizontal supporting members that run between foundations, walls, or beams to support a ceiling or floor. Typically, a joist has the cross section of a plank. Joists are often supported by beams laid out in repetitive patterns.
A true vent is a vertical pipe attached to a drain line that travels through the roof with no water running through it. If a fixture is close to the stack and on the top floor, the upper part of the stack serves nicely as a vent. Many fixtures are not so conveniently located, however, and other solutions must be found.