Composite lightweight exterior wallboard

Abstract

The invention discloses a composite lightweight exterior wallboard. The composite lightweight exterior wallboard is composed of, by weight, 15-17 parts of cement, 10-14 parts of sodium bentonite, 5-11parts of fly ash, 5-9 parts of quicklime, 65-78 parts of lightweight calcium carbonate, 25-34 parts of straw, 5-10 parts of building glue, 3-5 parts of polypropylene fiber, 12-18 parts of basalt fiber, 3-7 parts of silicon carbide, 10-26 parts of adhesive, 5-8 parts of modified glass fiber and 1-3 parts of modifier. The provided composite lightweight exterior wallboard is firm in structure, excellent in performance and environmentally friendly, and saves energy and resources.

Description

technical field [0001] The present invention specifically relates to a composite lightweight exterior wall panel. Background technique [0002] Composite lightweight exterior siding is a lightweight building material. At present, the external walls of frame structure buildings in our country generally use various blocks or other lightweight materials as the walls, and re-do external insulation and external finishes outside the walls. Due to the limitations of existing materials and structural techniques, the building walls of the prior art are generally composed of hard outer panels, inner panels, and lightweight fillers filled between the outer panels and the inner panels. The connection between the outer panel of this type of wall and the main body has a local "cold bridge" phenomenon, which affects the overall thermal insulation performance of the building; it cannot achieve the same life as the main body of the building; and this process also has complex construction pr...

AI Technical Summary

Problems solved by technology

There is a local "cold bridge" phenomenon in the connection between the outer panel of this type of wall and the main body, which affects the overall thermal insulation performance of the building; it cannot achieve the same lifespan as the main body of the building; and this process also has complex construction techniques, high construction and installation costs, and resource consumption. advanced defects

There are many external wall insulation methods at this stage, but most of them require cumbersome construction procedures; even if there are products that can be molded in the factory at one time, there are still defects such as high resource consumption, large volume, poor durability, and inconvenient transportation and hoisting construction.