Load-carrying, damping and airtight sandwich building element for ceilings and roofs comprises at least one hard foam core plate and two plywood cover plates with a specified minimum thickness

摘要

The load-carrying, damping and airtight sandwich building element for ceilings and roofs comprises at least one hard foam core plate (10) and two plywood cover plates (12). The latter are at least 5 mm thick, consist of at least five layers, and are attached to the core plate by means of a two-component melamine resin glue.