Light plaster composite insulated slab for building

The utility model discloses the structure forming of a light plaster composite insulated slab for building. The light plaster composite insulated slab for building is formed by compositely compressing fiberglass plaster panels (1), powdered water filling material (2) between panels, a fiberglass screen cloth (3), and a polystyrol foam plastic slab (4). One end of the light plaster composite insulated slab for building is the structure of a longitudinal V-shaped groove rib (5), and the other end is the structure of a longitudinal V-shaped convex rib (6). The light plaster composite insulated slab for building has the advantages of light weight, no warp, no deforming, and good integrated property. Dimensions with different sized can be produce. The light plaster composite insulated slab for building brings convenience to decoration construction operation.