RoofConstruction-Terminology

Different Types Of Trusses Roofs A Trusses roof is a structural framework that has designed offer strength and support to a roof. Therefore, roof trusses are one of the most important things in the roof construction. In this article, you will learn about different types of trusses roofs. Such as king post truss, queen post truss, mansard truss, truncated truss, bel-fast roof truss.  King Post Truss In this type of truss, the central vertical post, known as king-post, forms a support for a tie beam. A king post truss is suitable for roofs of span varying from 5 to 8 meters. King post trussed roof Queen Post Truss This truss differs from a king post truss in having two vertical posts, known as queen post. This type of trussed roof is suitable for spans varying from 8 to 12 meters. Queen post trussed roofs Mansard Truss This truss is named after a french architect Francois Mansard. It is a combination of king-post and queen post trusses. The mansard truss ...

Benefits Of Timber Roof Trusses In Building Construction Wood or Timber roof trusses are widely used in the USA, Canada, and other countries because of its advantages over other trusses, as it offers great flexibility in plan layout. Be it a residential, industrial, commercial, or an institutional building, roof of any kind of structure is the most important component of a building as it protects its occupants from the external elements of roof trusses in building construction. It is also the largest and the most expensive structural component of a building so investing some thoughts and know-how in the design and planning of a roof to create an aesthetically pleasing and sound structure that can safely carry the induced loading, while offering acceptable longevity and an attractive appearance for the lifespan of the building is nothing but logical. There are basically two kinds of material that are prevalent around the globe for the fabrication of trusses: Steel and Wood. While ...

Physical Properties & Safety Tests of Asphalt as a Roofing Material Asphalt Binders Asphalt or bitumen is a thick, black or brown, viscous liquid and a by-product of crude oil. Asphalt functions as an inexpensive, waterproof, thermoplastic, viscoelastic adhesive in road construction and some other applications. Background The first recorded use of asphalt by humans was by the Sumerians around 3,000 B.C. Statues from that time period used asphalt as a binding substance for inlaying various shells, precious stones, or pearls. Other common ancient asphalt uses were preservation (for mummies), waterproofing, and cementing (used to join together bricks in Babylonia). In more modern times, asphalt paving use first began with footpaths in the 1830s and then progressed to actual asphalt roadways in the 1850s. The first asphalt roadways in the U.S. appeared in the early 1870s. Refining In the simplest terms, asphalt binder is simply the residue leftover from petroleum refining...

History of Roofing Construction Introduction It may be defined as the uppermost part of the building, provided as a structural covering, to protect the building from weather. Structurally, a roof is constructed in the same way as an upper floor, though the shape of its upper surface may be different. The roof consists of structural elements that support the roof is the roof covering. The roof coverings may be A.C. sheets, G.I. sheets, wooden shingles, tiles, slab itself. Requirements Of a Roof It should be durable against the adverse effects of various agencies such as wind, rain, sun, etc. It should grant the desirable insulation against sound and heat. It should be structurally stable and sound, it should be capable of taking the loads likely to come over it. It should be well-drained. It should have an efficient water-proofing arrangement. Roofs Are Important Because It provides protection from the weather. It helps in reducing the heat loss from a building. It...