Pendulum type Concrete Poker Vibrator is a construction tool used on concrete pouring sites. A variety of manufacturers build these machines and an assortment of attachments designed for multiple applications. A vibrator is used to ensure that a pour is even and free of air bubbles so that the concrete will remain strong and have a smooth finish even afterthe formwork is removed. While not necessary for small jobs, this tool is essential on large load bearing projects.
In all cases, a concrete vibrator that can reach the bottom of the pouring forms should be used, ensuring even treatment of the entire concrete pour.