Heat shields are common in restaurant equipment. A heat shield is designed to protect an object from overheating by dissipating, reflecting or simply absorbing heat. Heat shields also serve a personnel safety function. Heat plates are similar in that they are designed to dissipate heat in a controlled pattern such as with gas ranges. Generally, a shield is a protective plate or screen on machinery or equipment. There are various types of shields used in restaurant equipment from screw and bolt shields, splash shields, splatter shields, heat shields, burner shields, radiation shields, sneeze guards, frost shields, lamp and bulb shields, drip shields, and many others. Features. 23 Frame Rear JF Heat Shield. Made with high quality materialSpecifications. Size 23