Vermiculite Lightweight Concrete Mix

25kg of portland cement or cement fondu approx.
Vermiculite lightweight concrete mix. At this stage the mixture should be a wet. 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. 6 parts by volume. 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.
The screed and denser more load distributing topping should. Vermiculite concrete can be easily cut sawed nailed or screwed. These systems will use a lightweight concrete consisting of portland cement water and vermiculite concrete aggregate. Vermiculite concrete roof deck systems allow architects engineers and contractors versatility in design high performance and reasonable cost.
So for this blend i picked up a bag of number three vermiculite. This article contains information about swimming pool floors made from a vermiculite concrete mix. 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. A dvantages lightweight when compared with structural grade concrete vermiculite.
It looks a bit like mica. As a result lightweight concrete should not be used in place of regular concrete for most projects. 100 litre or 2 x 50 litre bag of dineen vermiculite approx. Perlite lightweight concrete offers the following benefits.
Put your water in the mixer add first 50 litre bag of vermiculite. Perlite lightweight concrete is a mixture of opc gulf perlite construct crushed sand 0 5 mm and our admix to produce lightweight concrete from a density range of 400 kg m up to 2 000 kg m. Now let s look at the vermiculite mix. It s a mineral that s expanded by heating in a furnace.
Portland cement sand vermiculite and glass fiber. 1 part by volume 40 50 litres of water. I wetted the vermiculite. 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.