{"product_id":"heavy-duty-cotton-duck-tarp-21oz-waterproof-dark-green-canvas-tarpaulin-sheet","title":"Heavy Duty Cotton Duck Tarp – 21oz Waterproof Dark Green Canvas Tarpaulin Sheet","description":"\u003cp\u003e\u003cstrong\u003eHeavy Duty Cotton Duck Tarp – 21oz Waterproof Dark Green Canvas Tarpaulin Sheet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOur dark green canvas tarpaulin is made from 21oz heavyweight cotton duck — the time-tested material of choice for professional covering applications where synthetic options fall short. Naturally breathable, exceptionally strong, and built for years of demanding outdoor use, this waterproof canvas tarp delivers performance that PE simply cannot match.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy Choose Canvas Over Polyethylene?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003ePolyethylene tarpaulins work well for general-purpose jobs, but canvas offers something fundamentally different. Cotton duck fabric allows moisture vapour to pass through while keeping rain out — eliminating the condensation that builds up beneath sealed plastic covers. For vehicles, machinery, antiques, and heritage items, that airflow isn't just a bonus — it's essential. Canvas is the professional's answer when breathability matters as much as weather protection.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e21oz Cotton Duck — Serious Weight, Serious Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWeighing in at 21oz per square yard, this is among the densest natural-fibre tarpaulins on the market. The tightly woven cotton duck construction delivers outstanding tear resistance, while a wax treatment boosts water repellency without sacrificing breathability. The result is a tarp that handles harsh weather conditions while still letting your covered equipment breathe — the defining characteristic that sets 21oz canvas apart from the rest.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e21oz heavyweight cotton duck — premium natural fibre build quality\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWax treated for reliable rain resistance with maintained breathability\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRot resistant treatment for extended outdoor service life\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eUV stabilised for long-term exposure without deterioration\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDark green finish — blends seamlessly into outdoor environments\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReinforced eyelets for strong, secure rope attachment\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHeavy hemmed edges for superior strength when tying and stretching\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProfessional Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eVehicle covers — lorries, trailers, classic cars and machinery requiring airflow\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFlatbed transport — the traditional choice across the haulage industry\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAgricultural — produce storage, equipment protection and livestock shelters\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMilitary \u0026amp; MOD — a standard-issue solution across defence applications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEvents \u0026amp; outdoor venues — a premium look for high-profile covering requirements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAntiques \u0026amp; collectables — safe, breathable protection for condensation-sensitive items\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCanvas vs Synthetic — Understanding the Difference\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eCanvas tarpaulins are heavier and carry a higher price point than comparable polyethylene options — but they earn it. Natural breathability, a refined appearance, and exceptional durability under sustained heavy use make them the right tool for professional transport, agricultural, military, and heritage applications. For everyday general-purpose covering, our 200gsm polyethylene range offers outstanding value.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eStocked across a wide range of sizes, from compact vehicle covers to large-scale agricultural sheets. Select your required size above. For bulk or trade enquiries, contact our team directly for pricing.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"4ft x 8ft (1.2m x 2.4m)","offer_id":45071962308723,"sku":null,"price":48.51,"currency_code":"GBP","in_stock":true},{"title":"4ft x 12ft (1.2m x 3.6m)","offer_id":45071962341491,"sku":null,"price":67.99,"currency_code":"GBP","in_stock":true},{"title":"6ft x 8ft (1.8m x 2.4m)","offer_id":45071962374259,"sku":null,"price":6899.27,"currency_code":"GBP","in_stock":true},{"title":"8ft x 10ft (2.4m x 3.0m)","offer_id":45071962407027,"sku":null,"price":101.98,"currency_code":"GBP","in_stock":true},{"title":"8ft x 12ft (2.4m x 3.6m)","offer_id":45071962439795,"sku":null,"price":129.5,"currency_code":"GBP","in_stock":true},{"title":"10ft x 12ft (3.0m x 3.5m)","offer_id":45071962472563,"sku":null,"price":155.99,"currency_code":"GBP","in_stock":true},{"title":"8ft x 16ft (2.5m x 5m)","offer_id":45071962505331,"sku":null,"price":199.89,"currency_code":"GBP","in_stock":true},{"title":"12ft x 16ft (3.6m x 5.0m)","offer_id":45071962538099,"sku":null,"price":229.79,"currency_code":"GBP","in_stock":true},{"title":"15ft x 20ft (4.5m x 6.0m)","offer_id":45071962570867,"sku":null,"price":339.99,"currency_code":"GBP","in_stock":true},{"title":"16ft x 24ft (5.0m x 7.3m)","offer_id":45071962603635,"sku":null,"price":429.99,"currency_code":"GBP","in_stock":true},{"title":"20ft x 30ft (6.0m x 9.0m)","offer_id":45071962636403,"sku":null,"price":869.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/9853\/1955\/files\/HeavyDutyCottonDuckTarp_21ozWaterproofDarkGreenCanvasTarpaulinSheet.jpg?v=1780654189","url":"https:\/\/tarpaulinpro.com\/products\/heavy-duty-cotton-duck-tarp-21oz-waterproof-dark-green-canvas-tarpaulin-sheet","provider":"Tarpaulinpro","version":"1.0","type":"link"}