61″ 40oz Dockseal Black is an ultra-heavyweight PVC-coated vinyl engineered for maximum strength and long-term performance in extreme conditions. At 40 ounces per square yard, this is the heaviest tarpaulin in the lineup, designed for applications where durability is non-negotiable.

Built with a reinforced ripstop-style construction, Dockseal uses dual weft-inserted polyester fabricsincluding 1000 denier yarns with every 8th yarn upgraded to 4000 denierto significantly increase tear resistance and prevent rips from spreading. The PVC coating and 100% polyester backing provide excellent tensile strength, flexibility, and resistance to rot and mildew.

With a cold crack rating of 40C, Dockseal remains reliable in harsh winter environments, making it ideal for protective covers, industrial tarpaulins, and demanding outdoor applications where heavy abuse, weight, and weather exposure are constant.

Sold per running yard.