Where a fine concrete is used, the required in situ crushing resistance should normally be met by using the range of constituent material proportions by weight of cement to total aggregate between 1:4 and 1:5.

The proportions of sand and 4/10 mm aggregate may be varied to allow the easiest compaction and the achievement of the specified finish. For example, where finishing to a fine closed texture is required, proportions by weight of approximately 1:3.5:1 (cement: sand: aggregate) can be acceptable. In order to minimize water demand and where such finishing is not so important (e.g. where thicker in situ floorings are to be applied), constituent material proportions by weight of 1:2:2 (cement: sand: aggregate) can be suitable.

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.

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