Working with PVC Plastics Causes Health Problems I worked with PVC based rubber sheets (printing blankets) cutting imported rolls with a knife. Symptoms include feeling poorly, spasms and general weakness. Left kidney function is only 16%.
Studded polypropylene or HDPE cavity drainage membranes allow damp or running water to travel behind the membrane to a controlled drainage system. They are lighter than conventional stone and geotextile, provide continuous drainage and act as slip/separation layer.
Danish company HUMAN HABITAT has developed a hydroponic garden system that requires just 538 square feet of space to grow fresh food. It is called IMPACT FARM and could be the beginning of a commercial farming revolution.
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