Expansion Joint
A break or space in construction to allow for thermal expansion and contraction of the materials used in the structures.
A break or space in construction to allow for thermal expansion and contraction of the materials used in the structures.
The lap of two separate roof panels as they provide coverage down the slope of a roof. An endlap occurs when a roof width is greater than the available length of roof panels.
The on-site assembly of a steel building system (pre-engineered building) or components to form a complete structure.
The line along the top of the sidewall, formed by the intersection of the roof and wall panels.