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An improvised tent using polytarp as a fly Abandoned homeless shelter using plastic tarp. A tarpaulin (/ t ɑːr ˈ p ɔː l ɪ n / tar-PAW-lin, [1] also US: / ˈ t ɑːr p ə l ɪ n / [2]) or tarp is a large sheet of strong, flexible, water-resistant or waterproof material, often cloth such as canvas or polyester coated with polyurethane, or made of plastics such as polyethylene.
The most attractive, durable polytarp sails are usually made from a heavier white polytarp material. Generally, polysails are made from white ultraviolet-protected (UV-protected) material that is 12–16 mils (0.30–0.40 mm) thick (1 mil is .001 inches) and weighs about 6–8 ounces per square yard (200-270 grams per square meter) —about twice the weight and thickness of the common colored ...
Polyethylene absorbs almost no water; the gas and water vapour permeability (only polar gases) is lower than for most plastics. Oxygen, carbon dioxide and flavorings, on the other hand, can pass it easily. Polyethylene burns slowly with a blue flame having a yellow tip and gives off an odour of paraffin (similar to candle flame). The material ...
Tar was used as seal for roofing shingles and tar paper and to seal the hulls of ships and boats. For millennia, wood tar was used to waterproof sails and boats, but today, sails made from inherently waterproof synthetic substances have reduced the demand for tar. Wood tar is still used to seal traditional wooden boats and the roofs of historic ...
Waterproofing is the process of making an object, person or structure waterproof or water-resistant so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions.
Plastic 1-quart canteens are issued as well, with a metal canteen cup and stand. Several types of eye protection are offered, including ballistic goggles and sunglasses made by Eye Safety Systems, Inc. and Wiley X, and are available with prescription lens inserts. [31]
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