How To Sand Cement Screed A Floor

Specification 3 1 suitability of screeds and toppings screeds are essentially light duty flooring elements and are suitable for.

How to sand cement screed a floor.

The type of screed used will affect the cost as obviously will the size of the area to be worked on. You don t want any soft spots with pockets of sand etc. Before screeding a floor make sure the concrete is clean and free of dust so the screed can adhere to it. The ratio of sand and cement also depends on the expected maximum load on the screed.

Flowing screed which is a new trend in the screeding world comes in at approximately 17 18 per m2. A sand and cement screed will set you back roughly 15 16 per square metre. A non slip finish is appropriate while thin sheet and tile floor a base sand cement screeds and concrete toppings for floors 3. Added to that cement type grade of aggregate and the method of storage of screed material influence the mix ratio to a certain extent.

1 tonne of flooring grit or sharp sand mixed at 4 sand to 1 cement will cover approximately 15 square metres of floor when laid at 40mm thick. Then combine the screed mix with water so it s the consistency of paint. Laying a level floor screed over a large area is difficult and to do so by eye requires years of experience. The mixing needs to be thorough with the cement sand water fibres etc.

However there is an easier way and this is where the word screed. Labour alone will cost you around 10 12 per square metre. Mix ratio of sand and cement screed for floor varies based on the intended use of the screed. It may be applied onto either a solid in situ concrete ground floor slab or onto a precast concrete floor unit.

Wearing surfaces of floors of utility rooms in domestic premises e g. Once that is completed then the screed is good to go. A floor screed is usually a cementitious material made from a 1 3 or 1 4 5 ratio of cement to sharp sand. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer.