GLASGOW STEEL FRAMING WALL SERVICES

At AMAC Roofing Cladding Ltd we offer services for Steel Framing Wall in Glasgow and throughout Central Scotland.

Light steel framing is extensively used due to its good thermal and structural behaviour. Heat loss reduction and thermal comfort have been the main driving forces defining the design of these frames. With this form of construction it is important that some insulation is placed inside or outside the steel frame to provide a thermal break and avoid condensation. There are two major construction types: Warm frame construction where all the insulation is outside the steel frame. One disadvantage of this technique is the loss of any possible insulation benefit by not utilising the space between the steel frame studs. Hybrid construction, where insulation is included both inside or outside the steel structure and in between the steel components (a minimum of 33% of the thermal resistance should be provided outside the steel frame.) With this form of construction a condensation risk analysis (in accordance with BS 5250) should be provided by the system manufacturer to ensure there is no risk of interstitial condensation. A vapour control layer should be installed on the warm side of the internal insulation layer. This method is becoming increasingly popular both in standard 2-3 storey housing and high rise apartments alike.

Steel frame construction has many of the attributes of timber frame construction:
• Off-site prefabrication delivers a quality engineered product
• Quick erection of the structural frame and early creation of a dry envelope, thus removing the external finish from the critical path and enabling an early start on the internal fit out
• Wet weather does not interrupt erection process
• Lightweight structure reduces load on foundations, especially important on brownfield sites and rooftop extensions

In addition, steel has a higher strength to weight ratio than timber, enabling more flexibility in design and clear floor spans over 7m. Although steel does not have the sustainability credentials of timber, it is fully recyclable and steel manufactured in the UK usually contains approximately 20% recycled content. Light steel framed structures can be used for buildings up to six storeys high, although British Board of Agrément certificates limit some systems to four storeys. A steel frame system is usually based on factory made or site assembled panels and sub-assemblies forming the structural steel framework of a building or the light steel infill system within a structural concrete or steel framed building. Structural steel framed external walls are usually manufactured from 75mm or 150mm wide loadbearing C studs. The use of factory manufactured components guarantees dimensional accuracy and all structural steelwork should be fabricated from galvanised steel to BS EN 10326 : 2009 with a Z 275 coating.
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