A disc brake for a commercial vehicle, operated pneumatically or by electric motor, comprising a brake caliper, an application device and at least one adjuster device arranged with the brake caliper, is characterized in that both adjuster elements of the at least one adjuster device are fixed in a non-rotating manner to a common connector plate in the region thereof facing the brake lining and/or a single- or multi-piece thermal insulation layer is at least partly applied to the connector plate or parts connected thereto on the side thereof facing the relevant braking lining to form a region like a pressure piece.