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Most tarps have a coating applied to them. DWR should be avoided, it's only water resistant and will eventually drip. Silicone impregnated (aka silnylon or sil-nylon) is lighter than polyurethane...
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Most tarps have a coating applied to them. DWR should be avoided, it's only water resistant and will eventually drip. Silicone impregnated (aka silnylon or sil-nylon) is lighter than polyurethane...