PUF as well as Rockwool sandwich panels are two of one of the most typical types of insulated sandwich panels around. This message will note the distinctions in between the two panels. First off, a little introduction regarding sandwich panels. Sandwich panels have a core layer which is sandwiched between two metal sheets. For this reason they obtain their name. The core layer forms sustains to both external layers, that results right into a composite structure with high toughness by light product weight. While Glass Wool panel is extensively understood for its fire-resistive abilities, polyurethane panels as well have their own advantages. The significant distinction in between the two panels is in the insulating core product. PUF Panels The core insulating layer in PUF panels is polyurethane foam-- PUR or PU. Throughout the manufacturing procedure, the product is put in between 2 layers of GI sheets. The foam that is poured strengthens with it comes in contact with the air