High-density glass fibre panel for air conditioning duct has plate of high-density fibre with offset stepped faces and aluminium covering

摘要

The air conditioning duct panel (1) has a plate of high-density glass fibre (2) with an optional mesh of stiffened glass fibres. The opposed faces of he panel have offset steps, the larger faces of which are covered with a layer of aluminium (4,5). The overlap of the aluminium panels completely covers the small side of the offset.