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Powder actuated fasteners are used to bond various construction materials together, such as wood and concrete, or steel and concrete. What do we mean by powder actuated? The tool holds a charge of gunpowder that is ignited and literally blows the fastener into place with the same pressure of a bullet being fired.
Powder actuated fastening is a unique and very cost-efficient method that is used in a variety of construction situations from home building to large urban structures. When you see a bridge being built, it's a powder actuated tool that's being used to connect the steel to the concrete.
The Powder Actuated Tool Manufacturers' Institute, Inc. (PATMI) is an association that provides a common industry voice for manufacturers of powder actuated fastening systems. With operator safety as the primary goal of the organization, PATMI stresses training, certification, and safety awareness.