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Sailcloth is a heavy-duty canvas primarily used for making sails, tents, and upholstery. It can also refer to a lighter-weight canvas suitable for clothing. Historically, sails were made from animal skins or woven reed mats. Egyptian art from around 3300 BC depicts cloth sails, and early Mediterranean civilizations also used them.12

Initially, flax fiber was used for sailcloth. Later, cotton became popular due to its ability to be woven more tightly, preventing stretching and wind loss. However, cotton sails were stiff and difficult to handle. Modern yachtsmen often prefer synthetic fabrics like Dacron (or Terylene), which offer superior strength, shape retention, and minimal stretch.2

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2 Britannica Sources
  1. sailcloth
  2. sail

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