Exterior wall building board

Abstract

The invention provides an exterior wall building board. The exterior wall building board comprises a heat preservation layer, a cement base protective layer, adhesive layers and a thermal insulation transition layer. The adhesive layers are arranged on the two sides of the thermal insulation layer. A plurality of stopping convex ribs protruding towards the heat preservation layer are arranged on the adhesive layers. The stopping convex ribs arranged on the adhesive layers on the two sides of the heat preservation layer are distributed in a staggered manner in the height direction of the exterior wall building board. The thermal insulation layer is filled with rock wool and XPS plastic extrusion boards. The rock wool and the XPS plastic extrusion boards are arranged at intervals through partition plates. The rock wool is limited and stopped in the height direction by the stopping convex ribs arranged in the staggered mode in the height direction. The rock wool and the XPS plastic extrusion boards are arranged in the thermal insulation layer to improve the thermal insulation and fireproofing performance of the building board. The supporting performance of the building board heat preservation layer in the horizontal direction can be improved by the XPS plastic extrusion boards. The partition plates can ensure that two thermal insulation cavities are independent from each other, and two materials can be prevented from moving in the thermal insulation layer.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an exterior wall building board. Background technique [0002] During the construction of the exterior wall of the building, a layer of insulation board needs to be attached to realize the thermal insulation and cold insulation effect of the exterior wall, and ensure the performance of the exterior wall of the building and the indoor temperature of the building. The existing thermal insulation building panels are usually equipped with rock wool, which realizes heat preservation and fire prevention. If the rock wool is not fixed well inside the building panels of the outer wall, the installation position inside the building changes, which will seriously affect the performance of the building panels. Insulation and fire performance. Moreover, rock wool material has good fire resistance performance, but rock wool material is a flexible material, and the filling and settin...

AI Technical Summary

Problems solved by technology

The existing thermal insulation building panels are usually equipped with rock wool, which realizes heat preservation and fire prevention. If the rock wool is not fixed well inside the building panels of the outer wall, the installation position inside the building changes, which will seriously affect the performance of the building panels. Insulation and fire resistance performance, moreover, rock wool material has good fire resistance performance, but rock wool material is a flexible material, and the filling and setting in the building board has poor support performance for the building board in the horizontal direction, which affects the overall strength of the building board

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