Concrete Floor Screed Depth

As this type of screed is pumped it is usually delivered in a mixing lorry and put down via a pumping pipe.

Concrete floor screed depth. A floor screed is usually a cementitious material made from a 1 3 or 1 4 5 ratio of cement to sharp sand. Screed is a thinner layer of concrete which s typically poured over a base floor to help form a smooth floor coating to provide a strong foundation for the top floor. Screeds are covered by bs 8204 screeds bases and in situ floorings 2004. Substrates must be level with no pockets or high spots to ensure the thickness of the screed remains even.

Liquid screed is designed to cover up to 1000 square meters in one day compared to 150m in a traditional screed floor. Under this size we find it easier to just screed the floor by hand with the 2x4 screed. Key steps to prevent floor screed issues. This method requires a minimum of 75mm coverage otherwise cracking will occur.

Screed is not concrete while the chemistry between the two isn t too dissimilar the concrete creation process is almost identical there are a few key differences that. Concrete flooring screed currently under development with longfloor binder to produce a concrete screed with a minimum thickness of 75mm and minimal shrinkage. A screed is a layer of material laid in situ directly onto a base for one or more of the following purposes. The maximum depth you would use a smoothing compound would generally be around out 10mm you can add aggregates to bulk up the screed going up to 30 40 50 mm.

For more information call us on 0207 538 2266. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer. Although the vibra screed is quite easy to operate you need at least 1 preferably 2 good rakers behind you pulling and pushing the concrete in order to get a really flat floor.