You might
already know that screed is simply a thin layer of material laid over the top
of a concrete subfloor. However, you may not know the difference between screed
and simple ready mix concrete, used for hundreds of different purposes across
the construction industry.
We’ve outlined
some of the major factors to be aware of if you’re looking at using screed for
your next project.
Components
It may be
difficult to understand the difference between concrete and floor screeds
because they are made up of such similar components; cement aggregates and
water.
The basic process
of making and applying these materials is also similar, in that cement and
water when mixed forms a substance that can be used in combination with sand
and aggregates to create a hardened mass that is extremely durable and high
strength.
The major
difference is in the intended use of each material and the quantities of
components used, such as aggregates, to create different effects. Concrete is extremely
durable and high strength and is used across the construction industry for
structural purposes in several different types of buildings and external spaces,
such as structural foundations, pathways, driveways, fences and paving.
On the other
hand, a screed is typically designed for internal uses and has been used for
decades on top of structural subfloor to provide a more even level on which various
floor finishes such as tile, wood or carpet can be set.
(Note: Contact
your supplier of liquid anhydrite screed in Northampton, Kettering
or Milton Keynes for more information about the application of this liquid
screed option.)
Screed types
Today, there are
many different screed types. Traditionally, a screed would have been laid by
shovelling in the screed mix and then levelling it with a screeding bar. However,
liquid screed now allows liquid to be pumped and spread more easily, drying
quicker and creating a perfectly level surface suited to underfloor heating.
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