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Ready Mixed Screed Estimator

This Estimator will give you the approximate quantities of ready mixed screed in tonnes and cubic metres for a given area.

See below for info on the differing types of floor screeds.

A screed mix calculator with approximate costs is also available here.

Please enter the dimensions in the white fields below. The calculations will be completed when you leave the last input field.


Dimensions  
Length in Metres
Width in Metres
Depth in Millimetres 



Materials
Ready Mix required tonnes
m3
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Floor screeds are an in-situ flooring of cement mortar laid to an accurate flat surface by screeding, or by self-levelling. Common types are -

Ready-Mixed sand & cement floor screeds are an ideal screed for flooring applications. It can be used as ground floor slabs (floating foundations), used on suspended floors, as a topping to lightweight screeds based on perlite or other lightweight aggregates and can also be used as a floating construction over insulation to give acoustic or thermal properties.

Properties -

Retarded in order to remain workable for 8-12 hours

Consistent quality is guaranteed

Better cement dispersion gives greater and more uniform compressive strength throughout the floor area.

Pre-mixed provides consistent quality materials and accurate proportioning


Fibre screeds have been developed to meet the increasing demand for factory-mixed sand & cement screeds incorporating an even dispersal of polypropylene fibres. Suitable fibres introduced in the mix can provide cohesion and help control cracking caused by stress. Minimum early shrinkage or cracking

Properties -

Improved strength and flexural fatigue resistance

Can eliminate the use for wire mesh

Improved toughness

Easy to place, compact and overcomes many practical problems when used as an alternative to steel crack controls

Better impact and abrasion resistance


Self levelling screeds based on alpha hemihydrate calcium sulphate are ready to use and have advantages over semi-dry floor screeds, however they are not for the DIY market.They are less labour intensive and up to ten times the area can be laid with one gang compared with traditional semi-dry screeds. Also shrinkage and curling is very unlikely to occur. They can also be laid thinner than conventional semi-dry floor screeds

Properties -

May be lightly trafficked after 1 to 2 days, depending on drying conditions.

Care should be taken to avoid excessive water loss in the first 24 hours.

If windows or external doors are not installed, temporary provision must be made with polythene or similar. Direct sun must also be avoided during early life.

Abrasion & impact resistance are good when compared with traditional sand & cement floor screeds. However, screeds should not be treated as wearing surfaces and care should be taken to protect against excessive impact.





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