What is Screed

It is quite simply a thin, top layer of material laid over a concrete subfloor. That is traditionally made up of sharp sand and cement, similar to concrete, but without the aggregate (stone)

Its purpose is to provide a smooth, flat surface that other finishing material, such as tiles or carpet, to be laid on top of. It is the ideal choice for covering underfloor heating pipes.

Wright Mix Screed

At Wright mix we only supply the traditional sand and cement screed and provide ourselves on its flexibility, quality and ease of use.

Wright Mix provides a 4-1 screed, meaning it is made up of 4-parts washed sharp sand and 1-part CEM 1 OPC cement mix and is supplied to BS8204

As our screed is a dry mix batched on site, it is provided with a Cemex MR800 water reducing ad-mixture which helps to slow down the setting time, giving approximately 8 hours of working time from delivery.

The screed is also provided with glass fibre reinforcing which helps to Reduce early induced cracking.

Manufacturers and suppliers generally recommend a floor depth of 65mm with an over pipe depth of 50mm. With these depths being greater than some other screed products, it retains the heat for longer, making it more energy efficient.

Once laid our screed dries at approximately 1mm per day.
We are able to enhance this drying time with the addition of an admixture.
Please give our office a call if you would like any further information.

If there is anything which you are unsure about, please look at our download section where we have more information available.