Vermiculite Lightweight Concrete Mix

It s a mineral that s expanded by heating in a furnace.

Vermiculite lightweight concrete mix. So for this blend i picked up a bag of number three vermiculite. Vermiculite a mineral that has few uses in its crude state becomes when heated and exfoliated an expanded light aggregate of great value in the production of lightweight fill and insulating concrete. This article contains information about swimming pool floors made from a vermiculite concrete mix. I wetted the vermiculite.

How to mix vermiculite concrete materials needed. 6 parts by volume. Portland cement sand vermiculite and glass fiber. Put your water in the mixer add first 50 litre bag of vermiculite.

As a result lightweight concrete should not be used in place of regular concrete for most projects. Perlite lightweight concrete offers the following benefits. At this stage the mixture should be a wet. 1 part by volume 40 50 litres of water.

The lower density vermiculite concrete screeds are usually covered with a denser topping mix of 4 1 or 5 1 sand to cement mix to a minimum depth of 25mm 1 inch. Vermiculite is a mineral with very specific properties that allow for a unique concrete application that is often used on the floors of some vinyl liner swimming pools. 25kg of portland cement or cement fondu approx. Vermiculite concrete roof deck systems allow architects engineers and contractors versatility in design high performance and reasonable cost.

Density less than 2 000 kg m3 125 lb ft3. Now let s look at the vermiculite mix. A dvantages lightweight when compared with structural grade concrete vermiculite. It looks a bit like mica.

These systems will use a lightweight concrete consisting of portland cement water and vermiculite concrete aggregate. Since the 1920 s the mining and processing of vermiculite has grown to a better than 30 million a year in industry as of 1961. Vermiculite concrete can be easily cut sawed nailed or screwed. The screed and denser more load distributing topping should.