👉 A hatrail, also known as a hat rail, is a type of vertical bar that is used to connect the roof or deck of a building. It typically consists of two parallel beams and is connected by a series of pulleys. The purpose of the hatrail is to provide support for the structure's weight and to ensure that it can be easily raised or lowered during maintenance operations. In many buildings, the use of a hatrail is common as part of the design process for structural integrity and
