6 ft x 20 ft Extra Heavy-Duty White Poly Tarp - Waterproof, 12 Mil
6 ft x 20 ft Extra Heavy-Duty White Poly Tarp - Waterproof, 12 Mil
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In this review the 6 ft x 20 ft extra heavy-duty white poly tarp is evaluated for outdoor and industrial coverage needs; its biggest strength is straightforward durability. Built from a 12 mil polyethylene material with reinforced hems and rustproof grommets, the tarp is aimed at users who need long-lasting waterproof protection for equipment, stacked materials, or short-term construction covers. The bottom line: this tarp is for anyone who needs a thick, dependable sheet that resists tearing and keeps water and snow out.
Key Features
- 12 Mil Thickness: The extra-strong 12 mil walls provide long-term puncture and abrasion resistance so the tarp can handle heavy equipment and repeated use.
- Waterproof Protection: Fully waterproof polyethylene construction keeps rain, snow, and wind-driven moisture away from whatever is covered.
- Reinforced Hem: Poly ropes sewn into the hem strengthen all edges to prevent tearing and deformation during heavy-duty tie-downs.
- Rustproof Grommets: Aluminum grommets spaced every 18 in allow secure and stable tie-downs without corrosion over time.
- Multiple Finished Sizes: One of 37 finished sizes lets buyers choose the best fit for camping, storage, construction, or landscaping projects.
Who It's For
This tarp is best for homeowners, contractors, and outdoor enthusiasts who need a heavy-duty waterproof cover for tools, stacked lumber, machinery, or vehicles during storage and transport. The combination of a thick 12 mil fabric and reinforced hems suits frequent use in exposed environments where tears and leaks are a concern.
Those seeking decorative tarps, lightweight temporary covers for occasional indoor use, or a precise custom-fit fabric may want to consider lighter products or tailored solutions; this product is optimized for durability and weather protection rather than aesthetic presentation.
Pros & Cons
Pros
- High durability from 12 mil polyethylene offers long-lasting abrasion and puncture resistance.
- Completely waterproof construction effectively blocks rain and snow for covered items.
- Reinforced sewn hems and poly rope improve tear resistance under tension.
- Rustproof aluminum grommets every 18 in make secure tie-downs practical and reliable.
Cons
- At 12 mil thickness the tarp is heavier and less flexible than thinner options, which can make handling and storage more cumbersome.
- Plain white finish is functional but not decorative for finished outdoor displays.
Specifications
| Brand | TARPONIX |
| Size | 6 ft x 20 ft (finished size) |
| Material Thickness | 12 mil polyethylene |
| Weather Resistance | Waterproof and UV-resistant |
| Edge Construction | Reinforced double-stitched hems with sewn poly rope |
| Grommet Type | Rustproof aluminum, spaced every 18 in |
Our Verdict
The 6 ft x 20 ft extra heavy-duty white poly tarp is a practical buy for anyone who needs robust, weatherproof coverage that lasts. Its 12 mil construction, reinforced hems, and rustproof grommets deliver reliable protection for tools, equipment, and materials, making it good value for frequent outdoor or industrial use where durability matters more than lightness or appearance.
Frequently Asked Questions
Is this tarp waterproof?
Yes. The polyethylene fabric is fully waterproof and designed to keep water and snow out.
How often are the grommets spaced?
The rustproof aluminum grommets are placed approximately every 18 in for tie-downs.
Will this resist tearing under heavy use?
Yes. Reinforced double-stitched hems with sewn poly rope add edge strength to reduce tearing and deformation during heavy-duty use.
Editor's Take
The 6 ft x 20 ft extra heavy-duty white poly tarp is a durable, waterproof cover ideal for contractors and homeowners; its 12 mil construction, reinforced hems, and rustproof grommets deliver reliable protection and strong value for frequent outdoor use.

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