Outer uncovering wall roof heat insulation and thermal protection composite board

An exposed wall roof heat preserving and insulating composite plate is formed from an existing plate; frame strips are connected around one side of the plate and a section of outstanding connecting node is connected to the middle part; a plastic foam plate or rubber plate in the same shape or size and with a hole in the middle is connected in the frame strips with a cement sand clay layer or an adhesive layer so as to form a finished product, which can be also manufactured on the exterior wall. The composite plate can be made into finished products of magnetic brick or magnetic plate, as well as cement sand clay plate or addition magnetic brick or block, to preserve and insulate heat for the exposed wall roof of new and old houses of human beings.