A cement sand or fine concrete levelling screed can be applied to a prepared concrete slab as a levelling layer, as an alternative to direct finishing of the base slab, provided that the levelling screed has the required load bearing capacity.

The appropriate category of in situ crushing resistance for the levelling screed should be selected and specified according to the floor covering thickness and floor usage. A levelling screed should not be used on its own as a wearing surface.

NOTE – The mix proportion or compressive strength of levelling screeds to meet the ISCR requirements.

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The surface of the levelling screed should be finished according to the type of wearing surface or flooring that is to be laid. For mastic asphalt, wood block and strip, and some textile floor coverings, a wood float finish should be used, while thin sheet and tile floor coverings usually require a smoother, steel trowelled surface. If a designer specifies the use of a thin sheet or a tile floor, then the use of a smoothing compound should be specified in certain circumstances.

Interior Screed Ltd are the UK’s leading floor screeding contractors specialising in all types of floor screeding systems. Established in 2010 and working with many of the biggest and most prestigious names in the residential and commercial building sector’s we install screeds into building developments of all sizes. From complex large-scale commercial projects to residential and mixed-use contracts, we carry a comprehensive range of floor screeding products and services designed to offer our customers a one-stop floor screeding facility.

With 6 regional offices, we are uniquely positioned to provide a local service to our customers throughout the UK, promoting sustainable working relationships.

For more information on how we can help with your next project simply fill in our Quick Quote form and we will be in touch shortly to discuss your requirements in greater detail.