Vermiculite Lightweight Concrete
These systems will use a lightweight concrete consisting of portland cement water and vermiculite concrete aggregate.
Vermiculite lightweight concrete. When water is added to vermiculite the flakes expand into a worm like shape and act like an absorbing sponge. The color of vermiculite is a golden brown to a dark brown and is a sometimes difficult to tell from the potting soil it s mixed with. Nukokrete is a dry premix consisting of vermiculite which is a lightweight insulating aggregate portland cement and additives that can be gunnited or trowel applied as required on site. 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.
It looks a bit like mica. Vermiculite mixed with concrete creates a lightweight concrete that will cure in a longer amount of time. 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.
Vermiculite concrete introduction vermiculite concrete is a low density non structural construction product. Perlite lightweight concrete offers the following benefits. Portland cement sand vermiculite and glass fiber. Lightweight and concrete screeds.
Vermiculite is made from compressed dry flakes of a silicate material which is absorptive and spongy. Application of vermiculite based roof screed photo courtesy of the strong company the finer grades of exfoliated vermiculite can be used with portland cement and other aggregates placing aids and water to produce roof and floor concrete screeds or concretes which have the benefit of being both lightweight and insulating. I wetted the vermiculite slightly first before adding it to the sand. So for this blend i picked up a bag of number three vermiculite.
Vermiculite is a natural mineral of the phyllosilicategroup which is exfoliated in purpose designed commercial furnaces nukocrete is economical everlasting. A longer curing time equals stronger concrete. 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. 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. Vermiculite is a type of aggregate that is created when volcanic rock is heated to extreme temperatures. It is insulating both thermally and acoustically and intrinsically fire resistant. Since the 1920 s the mining and processing of vermiculite has grown to a better than 30.