Steel Construction
Strong, light, flexible and fast to build, steel frame has long been a standard method of construction in the USA and Australia. Introduced to the Algarve in recent years, steel frame has nowadays gained favour among those seeking a cost-efficient, adaptable and modern solution to building a home.
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Speed-of-build: A typical steel frame home of 200m² takes 4-5 months to complete, instead of 8 - 10 months using traditional brick-and-concrete.
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Cost: Reduced construction time results in significant labour-cost savings.
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Adaptability: The weight of a steel frame building is distributed evenly throughout its structure. This reduces the need for interior supporting walls, allowing greater interior space. Furthermore, steel beams can be curved, allowing for unrivalled freedom of architectural design.
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Stability: Unlike other building materials, steel will not warp, twist, crack, bow, swell, shrink or rot. Steel's strength-to-weight ratio is unmatched.
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Flexibility: Steel buildings settle easily on their foundations, minimising risk of superficial cracks etc. This flexibility also offers a high degree of resistance to earth tremors.
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Insulation: Steel frame walls use modern in-fill materials that deliver far superior thermal values to conventional brick construction.
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Internal environment: Steel frame technology, and the insulating materials it uses, delivers a property with excellent thermal values (saving energy bills) and remarkably healthy air quality with no humidity.
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Façade: The render used on the outside of a steel frame building can be treated in a wide variety of colours - so there is no need to paint.
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Investment: The substantially reduced construction time means a faster return on investment. This offers a significantly attractive advantage to commercial developers.
The first Light Steel Frame (LSF) systems for the UK market were developed in the 1980's. LSF has recently become an established form of construction recognised with inclusion in the current Building Regulations. This recognition has enabled significant growth and LSF technology expected to obtain a significant market share over the next 3 years.
LSF is extensively used for infill walling in multi-storey structures for both commercial and residential use. Provision for rooftop extensions and penthouses is facilitated through using a lightweight construction away from the load bearing structural lines. LSF is commonly used to form the structural frames for residential housing and apartment constructions from 2 to 12 storeys.
Benefits of LSF construction include:
- Speed
- Accuracy
- Dimensionally stable in the changing environments from construction site to occupied building
- Typical construction details achieve a very good thermal performance and are very air tight
- Lightweight, reducing the bearing loads on foundations
- Flexibility in design, can accommodate most design features including curved walls
The LSF industry has been capacity constrained over the last few years, however a number of new entrants to the market and capacity increases from the established players will allow significant growth over the next few years. Traditionally the industry has been dominated by the roll formers of the sections (studs & track), who also supplied the know how to assemble them. More recently down stream players such as dry lining or cladding sub-contractors have diversified into LSF, bringing with them a more practical knowledge of the construction industry and its requirements.
As a result, the service to the main contractor is improving. These new suppliers are developing diverse, new, practical and more cost effective methods of designing, assembling and constructing LSF. These include field factories next to the job site to reduce transport costs and lead-time from design to erecting. Most importantly, the more enlightened are now offering integrated packages including internal and external claddings and the roof element to provide the main contractor with a true, rapid dry envelope from a single sub-contract package.
- Steel framing is 60% lighter than timber frame and many times lighter than traditional methods of construction.
- Build times for light steel frame structures are 50-60% less than traditional methods.
- Steel offers the highest strength to weight ratio of any building material.
- Framed buildings are easier to insulate and are more comfortable! They are warmer in the winter and cooler in the summer.
- Framed buildings are much faster to construct and are very cost efficient.
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