Abstract: A coating layer for a thermal insulator, in a laminated body for a thermal insulator, the laminated body including a carbonized-molded body and the coating layer for a thermal insulator which is layered on at least one surface of the carbonized-molded body, wherein the bulk density of the carbonized-molded body is 0.08 g/cm3 to 0.8 g/cm3 and the gas permeability ratio of the coating layer for a thermal insulator is 8.0 NL/hr·cm2 mmH2O or less.

Abstract: The present invention provides: an adhesive for a thermal insulator which does not allow the occurrence of the peeling-off and swelling of the layer in the repeating processes of increasing and decreasing temperature in a thermal insulator formed of a laminated matter having a carbon molded body in the layer structure thereof; and a laminated body using the adhesive. The adhesive is an adhesive for a thermal insulator including: (1) a raw material for carbonization with a carbonization ratio of 40% or more; (2) a heterocyclic compound which dissolves the raw material for carbonization; and (3) any of short carbon fibers and short fibers which are carbonizable and insoluble in the heterocyclic compound. The laminated body has a layer structure with a carbonized-molded body therein.