A building termination (1, 1', 1", 1"', 1"", 100, 200, 300, 400, 500) in an explosion-inhibiting construction, comprising - an outer frame that by means of at least one fastening element can be connected in a force-transmitting manner to part of a building and that comprises several outer frame legs (6, 8) in the form of profile pieces; - a leaf frame that by means of at least one fitting element is pivotally held in the outer frame on at least one rotation axis (3, 3') and that comprises several leaf frame legs (7, 9) in the form of profile pieces; - a filling fastened in the leaf frame; - a restraining device, which couples the leaf frame to the outer frame or to a fastening element of the outer frame, in the form of a flexible traction means that is connected in a force-transmitting manner both to the leaf frame and to the outer frame or to the fastening element of the outer frame and that in a closed state of the leaf frame is arranged, so as to be invisible from outside the building termination (1, 1', 1", 1''', 1"", 100, 200, 300, 500), in a rebate area between the leaf frame and the outer frame and that is of such a length that the leaf frame can be brought, by rotation on the rotation axis (3, 3'), from a closed state to an open state, wherein in the case of the leaf frame being pulled from the outer frame as a result of an explosion, the leaf frame by means of the traction means, which then transmits a holding force, can be held in a catching position at a defined distance from the outer frame; - at least one manipulation opening in an outer frame leg and/or in a leaf frame leg; - a lock element (25, 25') by means of which the at least one manipulation opening can be locked in the outer frame leg and/or in the leaf frame leg, wherein the lock element (25, 25') can be removed from the manipulation opening; characterised by connecting means arranged within an outer frame leg and/or within a leaf frame leg - for connecting the traction means to - said outer frame leg or - said leaf frame leg or - a stop element or - for interconnecting two ends (17, 20) of the traction means, wherein the connecting means can be manipulated through the at least one manipulation opening. - an outer frame that by means of at least one fastening element can be connected in a force-transmitting manner to part of a building and that comprises several outer frame legs (6, 8) in the form of profile pieces; - a leaf frame that by means of at least one fitting element is pivotally held in the outer frame on at least one rotation axis (3, 3') and that comprises several leaf frame legs (7, 9) in the form of profile pieces; - a filling fastened in the leaf frame; - a restraining device, which couples the leaf frame to the outer frame or to a fastening element of the outer frame, in the form of a flexible traction means that is connected in a force-transmitting manner both to the leaf frame and to the outer frame or to the fastening element of the outer frame and that in a closed state of the leaf frame is arranged, so as to be invisible from outside the building termination (1, 1', 1", 1''', 1"", 100, 200, 300, 500), in a rebate area between the leaf frame and the outer frame and that is of such a length that the leaf frame can be brought, by rotation on the rotation axis (3, 3'), from a closed state to an open state, wherein in the case of the leaf frame being pulled from the outer frame as a result of an explosion, the leaf frame by means of the traction means, which then transmits a holding force, can be held in a catching position at a defined distance from the outer frame; - at least one manipulation opening in an outer frame leg and/or in a leaf frame leg; - a lock element (25, 25') by means of which the at least one manipulation opening can be locked in the outer frame leg and/or in the leaf frame leg, wherein the lock element (25, 25') can be removed from the manipulation opening; characterised by connecting means arranged within an outer frame leg and/or within a leaf frame leg - for connecting the traction means to - said outer frame leg or - said leaf frame leg or - a stop element or - said outer frame leg or - said leaf frame leg or - a stop element - for interconnecting two ends (17, 20) of the traction means, wherein the connecting means can be manipulated through the at least one manipulation opening.