The device has a mounting rail (2) with which the membrane pads (1) is brought into contact. The membrane pads are fixed between the mounting rail and the clamp lid (3). The insulating layer (4) is arranged on the clamp lid. The fixing unit (5) is provided to fix insulation layer on the clamp lid. The mounting rail and/or clamp lid and/or fixing unit are made up of aluminum. The insulating layer is made up of ethylene propylene diene monomer.
