![Micro-Grooved Insulated Sandwich](/sites/default/files/styles/basic_image/public/basic-images/product-micro-grooved-sandwich-commercial.jpg?itok=OmAzUfzT)
Micro-Grooved Insulated Sandwich
Regardless of your specific application, C.H.I. offers a premium insulated door product guaranteed to deliver years of dependable operation. Our micro-grooved sandwich models are constructed in a variety of gauges and are available in both polyurethane and polystyrene insulation options for those applications that demand the best in thermal efficiency and value.