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18oz Treated Canvas Tarps

18oz Treated Canvas Tarps Tarp Supply’s Heavy Duty 18oz Canvas Tarps are designed for outdoor use as the treatment gives off an odor and may leave stains/residue, including when used in direct contact with other products.

Heavy Duty 18oz Canvas Tarps
  • Industrial Standard Cut Size (Finished Size is 5-7% or up to 6-9 inches less after edges are folded and hemmed depending on the tarp size)
  • 100% woven duck cotton
  • Silicon treated to resist water and mildew
  • Rust-resistant heavy duty brass grommets every 24 inches on all sides and corners
  • Double-stitched seams and hems for extra strength
  • 18oz after treatment; 12oz prior to treatment
  • Silicon treated to resist water and mildew
  • Offering colors olive drab (dark green) and mustard-tan
  • Made in USA
  • Some are made to order and may take an additional
    5-7 business days


***If you don't see a size listed that you need or for exact sizes, please contact us at 630-953-4700.***



5'X7' Canvas Tarp 18oz
Regular price:
$24.16
Sale price: $22.99

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6'X8' Canvas Tarp 18oz
Regular price:
$49.99
Sale price: $28.99

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6'X10' Canvas Tarp 18oz
Regular price:
$50.41
Sale price: $35.99

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6'X12' Canvas Tarp 18oz
Regular price:
$52.15
Sale price: $41.99

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6'X18' Canvas Tarp 18oz
Regular price:
$108.99
Sale price: $62.99

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6'X20' Canvas Tarp 18oz
Regular price:
$89.95
Sale price: $66.99

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6'X25' Canvas Tarp 18oz
Regular price:
$113.97
Sale price: $82.99

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6'X50' Canvas Tarp 18oz
Regular price:
$233.97
Sale price: $157.99

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7'X9' Canvas Tarp 18oz
Regular price:
$53.98
Sale price: $36.99

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7'X30' Canvas Tarp 18oz
Regular price:
$243.99
Sale price: $140.99

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8'X8' Canvas Tarp 18oz
Regular price:
$70.95
Sale price: $40.95

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8'X10' Canvas Tarp 18oz
Regular price:
$79.99
Sale price: $45.99

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8'X12' Canvas Tarp 18oz
Regular price:
$76.28
Sale price: $54.99

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8'X15' Canvas Tarp 18oz
Regular price:
$92.82
Sale price: $67.99

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8'X20' Canvas Tarp 18oz
Regular price:
$120.43
Sale price: $88.99

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8'X25' Canvas Tarp 18oz
Regular price:
$234.98
Sale price: $109.99

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8'X50' Canvas Tarp 18oz
Regular price:
$335.98
Sale price: $208.99

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9'X12' Canvas Tarp 18oz
Regular price:
$84.55
Sale price: $60.99

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9'X30' Canvas Tarp 18oz
Regular price:
$288.95
Sale price: $153.99

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10'X10' Canvas Tarp 18oz
Regular price:
$77.98
Sale price: $56.99

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10'X12' Canvas Tarp 18oz
Regular price:
$92.82
Sale price: $67.99

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10'X14' Canvas Tarp 18oz
Regular price:
$101.25
Sale price: $77.99

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10'X16' Canvas Tarp 18oz
Regular price:
$130.43
Sale price: $88.99

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10'X20' Canvas Tarp 18oz
Regular price:
$215.98
Sale price: $106.99

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12'X12' Canvas Tarp 18oz
Regular price:
$131.98
Sale price: $79.99

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12'X14' Canvas Tarp 18oz
Regular price:
$125.94
Sale price: $92.99

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12'X16' Canvas Tarp 18oz
Regular price:
$145.98
Sale price: $105.99

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12'X20' Canvas Tarp 18oz
Regular price:
$215.99
Sale price: $126.99

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12'X25' Canvas Tarp 18oz
Regular price:
$287.98
Sale price: $157.99

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12'X30' Canvas Tarp 18oz
Regular price:
$318.47
Sale price: $188.99

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14'X14' Canvas Tarp 18oz
Regular price:
$167.99
Sale price: $104.99

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14'X20' Canvas Tarp 18oz
Regular price:
$287.98
Sale price: $147.99

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15'X15' Canvas Tarp 18oz
Regular price:
$199.99
Sale price: $122.99

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15'X20' Canvas Tarp 18oz
Regular price:
$317.06
Sale price: $157.99

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15'X30' Canvas Tarp 18oz
Regular price:
$407.59
Sale price: $234.99

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16'X16' Canvas Tarp 18oz
Regular price:
$215.99
Sale price: $134.99

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16'X20' Canvas Tarp 18oz
Regular price:
$309.98
Sale price: $167.99

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16'X24' Canvas Tarp 18oz
Regular price:
$347.95
Sale price: $203.99

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16'X30' Canvas Tarp 18oz
Regular price:
$398.99
Sale price: $249.99

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18'X20' Canvas Tarp 18oz
Regular price:
$349.95
Sale price: $205.99

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18'X24' Canvas Tarp 18oz
Regular price:
$367.99
Sale price: $232.99

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20'X20' Canvas Tarp 18oz
Regular price:
$291.18
Sale price: $208.99

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20'X24' Canvas Tarp 18oz
Regular price:
$376.99
Sale price: $249.99

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20'X30' Canvas Tarp 18oz
Regular price:
$414.98
Sale price: $311.99

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20'X40' Canvas Tarp 18oz
Regular price:
$562.30
Sale price: $413.99

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24'X24' Canvas Tarp 18oz
Regular price:
$406.97
Sale price: $298.99

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24'X36' Canvas Tarp 18oz
Regular price:
$624.98
Sale price: $446.99

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25'X40' Canvas Tarp 18oz
Regular price:
$798.30
Sale price: $516.99

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30'X30' Canvas Tarp 18oz
Regular price:
$670.50
Sale price: $464.99

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30'X40' Canvas Tarp 18oz
Regular price:
$847.90
Sale price: $618.99

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30'X50' Canvas Tarp 18oz
Regular price:
$1,018.30
Sale price: $779.99

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30'X60' Canvas Tarp 18oz
Regular price:
$1,241.00
Sale price: $928.99

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40'X40' Canvas Tarp 18oz
Regular price:
$1,103.30
Sale price: $824.99

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40'X50' Canvas Tarp 18oz
Regular price:
$1,458.30
Sale price: $1,029.99

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40'X60' Canvas Tarp 18oz
Regular price:
$1,875.99
Sale price: $1,234.99

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50'X50' Canvas Tarp 18oz
Regular price:
$2,198.30
Sale price: $1,285.99

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18oz Treated Canvas Tarps