Production Line - Hatschek Machine
To making of Fiber Cement Board or Roofing
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Asbestos fiber semen technology About 120 years ago, Ludwig Hatschek made the first asbestos reinforced cement products, using a paper-making sieve cylinder machine on which a very dilute slurry of asbestos fibers (up to about 10% by weight of solids) and ordinary Portland cement (about 90% or more) was dewatered, in films of about 0.3 mm, which were then wound up to a desired thickness (typically 3-6 mm) on a roll
The upper edge of the each layer of rolled roof gets tacked down with roof nails; the lower edge gets tarred down. Repeat to the peak.
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