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Light-Weight Concrete
Cellular Lightweight Concrete
CLC is a version of lightweight concrete that is produced like normal concrete under ambient conditions. It is produced by initially making a slurry of Cement +Sand + Fly Ash (constituting 26% - 34 % content) + water, which is further mixed with the addition of pre-formed stable foam in an ordinary concrete mixer under ambient conditions. The mixture is either poured or pumped into assembled moulds of blocks or form-work of reinforced structural elements or poured onto flat roofs or voids for thermal insulation or filling. The foam imparts free flowing characteristics to this slurry due to ball bearing effect of foam bubbles enabling it to easily flow into all corners and compact by itself in the moulds/forms without requiring any kind of vibration or compaction.
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Flying Concrete- Structural & Sculptural Forms In Lightweight Concrete
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Concrete is a plastic medium and has incredible potential for creating fluid, sculptural forms. I will admit that some of the dullest structures around are made of concrete but dullness isn't a limitation inherent in the material.
Not all concrete is ugly, hard, cold and difficult to work with. There exists a whole range of light weight concretes "which have a density and compressive strength very similar to wood.They are easy to work with, can be nailed with ordinary nails, cut with a saw, drilled with woodworking tools, easily repaired . We believe that ultra-light weight concrete is one of the most fundamental bulk building materials of the future." A Pattern Language
Most lightweight concrete has a good R-value and is a good insulator of heat and sound. It is used as soundproofing in subway stations. It has tremendous sculptural possibilities and is ideal for monolithic, wall-roof construction.
I feel that we need more intelligent building systems. I'm looking for a home that lasts 200 years, that you can maintain and remodel easily, and that uses mostly locally available, abundant materials. Light weight concrete fits the bill
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