Gripnail

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Gripnail Corporation, located in East Providence, R.I., is an employee owned company that manufactures mechanical insulation fasteners and welded insulation fasteners, which are used to fasten fiberglass insulation and foam insulation to metal. Founded in 1966, the company manufactures Gripnails and PowerPoint weld pins to attach duct liner to sheet metal air ducts. Its AMTAK fasteners division manufactures metal tacks to fasten loads, such as name tags and wires to pumps, valves and other types of machinery. It also offers Power Pinner welding equipment that is specially designed for fastening duct liners. Gripnail Corporation has a network of distributors of heating, ventilating, and air conditioning supplies worldwide.