Steel Roof Structure Terminology

In some instances they are also steel lengths measuring about an inch or so wide that have an elevated middle where one screws the metal roofing into.

Steel roof structure terminology.

The roof steel structure in the terminal 2 building of yancheng nanyang airport has a large span and a considerably difficult construction. The vertical framing members located at the sides of an opening. A metal v shaped gutter is fixed in this area to direct water to the gutter. 30 lb felt was the standard underlayment for quality metal roofing systems and is still used but has been replaced in many areas by the newer synthetic underlayments it is typically made of a polyester fleece and infused with tar.

Architectural roofing is metal roofing systems that are non weightload bearing and must be installed over solid decking rather than battens or purlins. A proprietary reidsteel name for a patented form of tied arch with pitched or parabolic roof slopes which can be used to span large spans cost effectively. Usually steel sections in the shape of i. An l shaped metal strip positioned along a roof s edges to allow water to run off the roof without running down the eaves or siding.

Terminology applied to structural steel members the use of these members the methods by which they are connected and the basic sequence of events which occurs during erection. Structural steel having a yield stress in excess of 36 000 pounds per square inch. It does not include for example cables. Sometimes called hat channel because of its shape.

Eaves on a sloped roof the horizontal underside that projects out from the house wall. The section has a web in the middle and two flanges. Steel sections angels channels w shapes etc which are formed by rolling mills while the steel is in a semi molten state. Truss roof the prefabricated self supporting triangulated structural framework commonly used for all types of roofs.

Structural shapes standard steel configurations produced by steel mills such as wide flanges channels angles pipe tubes etc. The connecting area of a column and roof beam of a structural frame such as a rigid frame. Valley the internal angle formed by two inclined slopes of a roof. A roof that is formed by sloping planes from all four sides.

Beams columns braces plate trusses and fasteners. Glossary of steel terminology. Structural steel the structural elements that make up the frame that are essential to supporting the design loads e g. The width of the flanges is usually between 1 5 times and 3 times less than the depth of the web.

The line formed at the intersection of two adjacent sloping planes of a roof.