INDUSTRIAL FLOORING GYVLON’S ‘GREENER’ SCREED
In the UK, Anhydrite type screed is being specified more and more, finding new markets in both commercial and domestic environments. Lafarge Gyvlon explain how they are achieving this.
The Environment Anhydrite screeds have ‘green’ advantages over other screeds. Gyvlon is an Anhydrite product, which unlike other calcium sulfate screed binders (Alpha- Hemihydrites) does not need calcining (heating to very high temperatures), and is therefore much more environmentally friendly.
The main ingredient of Gyvlon is a waste product which would otherwise have been sent to landfill. The benefits of using this product are two-fold. Firstly, the use of Gyvlon prevents waste, and secondly, using Gyvlon negates the need to use more conventional sand/cement screeds which are extremely unfriendly to the planet.
Used in conjunction with insulation and/or underfloor heating, anhydrite screeds offer many benefits. These screeds are particularly good with underfloor heating because they are self compacting completely encapsulating the heating pipes, and ensuring that there are no voids which can act as an insulator preventing the heat from transmitting upwards.
They require much less thickness which means that more insulation can be used below the pipes within the same overall zone thickness, and they require much less cover over the pipes which means that the heat will transmit to the surface quicker.
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Design Engineers and Architects Anhydrite screeds offer a reduction in thickness which can be employed even on insulation. This gives the designer choices as he/she can increase the thickness of the insulation improving the thermal and acoustic performance of the building, or the choice could be made to reduce the thickness of the floor zone - Imagine the impact this would have on the overall height of a multi story building!
Anhydrite screeds can be laid in larger bay sizes than conventional sand/cement screeds; a tremendous bonus when designing floors.
Ease of placement Contractors and developers like to use these screeds too. Backed up by our technical expertise and years of experience, Gyvlon binder based screeds are becoming increasingly more commonplace, with a growing following of developers and main contractors who have experienced the many benefits such screeds offer over traditional hand applied sand and cement.
Employing modern user friendly construction techniques, this screed can be laid at least 10 times faster than semi-dry sand/cement screeds and are self compacting, without the need for the operator having to revert to old fashioned, labour intensive laying procedures.
The Stadthaus, London - the tallest timber frame building in the world. Nine floors, all with the solid feel of Gyvlon.
Lafarge Gyvlon Our technical sales team, are able to assist and give best advice on how to get the best from the flowing screed system and how to convert sand/cement designed floors to flowing screed designed floors. We can even provide a specification service.
Lafarge Gyvlon is the UK market leader in the manufacture of this type of screed, supplying enough material for over one and a half million square meters of floor in 2010. Hospitals, schools, offices, apartments, nursing homes, shopping
centres and sports halls are among the many examples where this screed has been used to great effect.
The concept of Anhydrite flowing floor screeds originated in Europe. Gyvlon moved into the UK in the late 1980’s being marketed through the company Isocrete, and started to grow in the early 1990’s. In 2000, the company became wholly owned by the Lafarge group.
www.gyvlon.co.uk
www.tomorrowsflooring.com
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