A plurality of devices used alone or in combination for releasing moisture from a building are provided. The devices are especially suitable for use in new or existing masonry and frame buildings with low-slope roofs, on parapet walls and mansard roofs, and on masonry walls and foundation walls. The devices give buildings adequate wall and roof system ventilation and moisture vapor release portals so as to better prevent mold and other water related damage. The devices may be used individually or in combination wherein the devices are placed on or against a parapet wall, masonry wall or foundation wall of a building. Further, the devices may be used in connection with a joist or truss system of a building to prevent moisture damage to the joists or truss system and to prevent compromises and other structural integrity problems to a building which often occur with moisture.