Classification of wallboard:

According to section structure

1. Hollow slab (Code: k) - prefabricated slab with several holes along the length direction of the slab.

2. Solid slab (Code: s) - prefabricated slab without holes made of similar materials.

3. Composite strip (Code: F) - prefabricated strip composed of two or more different functional materials.

Wallboards are classified by component type

1. Common plate (Code: Pb) 2. Door and window frame plate (Code: MCB)

3. Profiled plate (Code: Yb).