Straw bale is a renewable resource. Compared with timber, which is regenerated typically every 20 to 30 years, straw is generated once or twice per year. As long as people need grain as a food source, straw will be generated as a by-product. Straw in many parts of the world is still regarded as a waste. Even its disposal has become an environmental issue, like burning in the field. On the other hand, straw has certain excellent properties as a building material, such as its thermal capacity. In baled form, it keeps its integrity reasonably well. Once rendered, straw is durable and strong.


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