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Showing posts with label Steel Sheds. Show all posts
Showing posts with label Steel Sheds. Show all posts

Wednesday 17 June 2015


Although the use of steel framing for making residential structures is quite new in New Zealand, it has been popular in other countries for many years. From the 1950s, Japan has used steel frames successfully for constructing houses. Moreover, the metal has also been used to erect commercial and office establishments all over the world for more than six decades now.

Immediately after World War II, the people of Japan had to face large-scale housing crisis which necessitated the construction of around four million houses in the least amount of time possible. Before 1940, most domestic and commercial buildings in Japan were made using wood, but everything was lost to the war. Also, there was not enough wood available to rebuild the destroyed homes and it would have required constant timber growth for about 150 years to meet with the housing needs. So, in order to resolve the situation, the Japanese people turned to steel for constructing homes, which gave birth to the market of steel housing.

The steel industry of Japan developed and produced light-gauge components that were in the shape as well as size of the conventional lumber. These were efficiently used in the construction frames of the new residences. The designs gained popularity very quickly and the concept started spreading to various other regions of the world. United Kingdom was among the first who embraced the idea, and now there are several building companies in the country that use steel for constructing two-storey homes and flats. In Australia and the United States, the concept came like a blessing for the housing industry, where most project managers and general contractors now prefer the remarkable metal for residential developments and often use the same design for a number of projects. Builders in Scandinavia produce affordable apartment by incorporating steel among the other popular building materials, which also include gypsum board and mineral wool.


In New Zealand, steel was commonly employed as a construction material for office buildings and commercial establishments before builders started using it for residential structures as well. In the modern times, a considerable percentage of affordable homes in New Zealand are made from steel. These houses are far more energy efficient, termite proof, invulnerable to fires, strong and have no or very less negative effect on the environment. Besides, the metal is 100 per cent recyclable which means less generation of waste.

Monday 18 May 2015

A joist is a horizontal structure that is used to support the floors and ceilings of a foundation. It runs between the walls, foundations and beams. Steel floor joists are produced using high-quality steel which is durable and strong. Joists made from steel have become increasingly popular as construction materials. Besides their durability, their are a number of benefits behind using steel floor joists:
  • Steel joists can support a great amount of load than concrete or wooden ones, because they can work in tension as well as compression. Being a sturdy metal, steel can withstand gravity loading and uplift.
  • The cost of steel joists is comparatively lower than that of the wooden joists. Thus, using steel joists in construction is highly economical.
  • Not only joists, but erecting any structure made from steel is easier and faster when juxtaposed with the time and labour needed to lay concrete. Construction with steel also doesn't require custom fitting structures and reinforcement rods to be installed at the site.
  • Although it was previously accepted by common consent that concrete joists can withstand fires better than steel joists, various evidences have suggested that steel joists built along with fire-resistant panels on the ceiling will provide effective resistance against fire. 

     
  • The flexibility of design in steel joists is infinite because each steel joist is made according to the specifications of the customer. The different necessary measures of spans, depth and capacity to carry load can be stated and then be manufactured in the factory itself, thus saving the on-site labour costs. Long spans with flexible designs can also be made using steel joists, which is an aspect of advanced modern constructions. Using a large number of columns for support in constructions with concrete usually limits the ability of an architect to remodel the partitions and walls.
  • Concrete structures on subjection to extreme humidity and moisture may get cracked and even collapse, which can be extremely dangerous for the people inhabiting the structure. But steel joists, even on being exposed to unfavourable weather conditions, do not suffer corrosion and can be highly durable within an enclosed construction.
  • Steel joists do not require any chemical treatment to prevent growth of fungus because steel is characteristically mildew resistant. The chemical used to treat wooden joists often hamper the indoor air quality of homes. But using steel joists eliminates this possibility.

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