FAQ

Concrete


Is a special concrete required?

A simple designated pumpable RM20 concrete with a slump of S2 or S3,(70-120mm slump factor ) with max. 10 mm aggregate should be specified.
Ask for concrete supplied under the Indian Standard Specification IS 4926:2003, which is quality-assured.

How is the concrete placed and does it need vibrating?

The pump-grade concrete is placed into the formwork by means of a pump or skip and fills the system through gravity flow. With the correct pump-grade concrete, it will flow, fill and self-compact without the need for mechanical vibration, although you may need to tap in areas where there is dense steel work such as in basements.

How many pours are reqired per storey?

The pattern of concreting will vary from project to project, depending on circumstances and resources available. A single storey height pour may be completed in one operation.
Download our Lantac document, you will find all the information you require in that.

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