▎ 摘　　要

NOVELTY - The utility model claims a building material with graphene insulating layer, relating to the field of building material, wherein the building material comprises a wall plate, the wall plate is a hollow structure, the interior of the wall plate is provided with a first sound insulation plate; graphene insulating layer and the second sound insulating plate, the graphene insulating layer is graphene aerogel or graphene foam plate, the thickness of the graphene insulating layer is 2 ~ 3cm; a first sound insulation board, the second sound insulation board comprises mutually connected glass fibre cloth and aluminium silicate fibre felt blanket, the thickness of the aluminium silicate fibre felt blanket is 0.5 to 1.5cm; the outside of the wallboard is covered with a protective layer, the protective layer comprises a waterproof film, a graphene coating and a substrate; the top part of the wall body is provided with at least 2 splicing grooves, the bottom of the wall body corresponding to the splicing groove is provided with a splicing bump, the splicing groove can be clamped with the corresponding splicing bump. The utility model has good heat preservation performance and sound insulation effect.