Heavy Duty Waterproof Outdoor Tarp 9 Mil 12ftx20ft - Reinforced

In this review of the Heavy Duty Tarp by ChaoJin, the bottom line is simple: this tarp is for homeowners, campers, and tradespeople who need a thick, weatherproof cover that holds up to routine outdoor use. The single biggest reason to buy is the robust 9 mil polyethylene construction combined with reinforced edges and metal grommets, which together deliver dependable protection for gear, temporary roofs, and outdoor shelters. The review assesses real-world durability, ease of tie-down, and where the tarp fits among common cover needs.

Key Features

• 9 mil thickness: The heavy polyethylene construction provides substantial resistance to wind, rain, and light abrasion compared with thinner tarps.
• Finished sizes available: Multiple finished sizes including 12'x20' let you choose a sheet that fits boats, furniture, or shelter frames without excessive trimming.
• Reinforced edges: Hem stitching with poly rope on all sides prevents easy tearing at the perimeter and helps the tarp maintain shape under tension.
• Metal grommets every 36 in: Sturdy grommets at regular intervals make secure tie-downs straightforward and distribute load when lashed to frames or anchors.
• UV resistant and waterproof: The treated material blocks sun degradation and sheds rain and snow to keep covered items dry across seasons.
• Multipurpose use: Suited for covering roofs, pools, grills, pet shelters, or building temporary canopies for camping and work sites.

Who It's For

This tarp is best for homeowners doing quick outdoor protection, farmers or small contractors who need reliable temporary covers, and campers who want a durable groundsheet or shelter fly. The 9 mil thickness and reinforced features make it a solid choice when repeated use and decent tear resistance matter.

Those who need heavy industrial-grade tarps for prolonged exposure in extreme conditions, or very large continuous covers without seams, should consider thicker professional-grade alternatives. If lightweight, packable material is the priority for backpacking, a lighter tarp would be preferable.

Pros & Cons

Pros

• Thick 9 mil poly offers good waterproofing and feels substantial in hand.
• Reinforced hem with poly rope and metal grommets every 36 in simplifies secure mounting.
• UV resistant coating helps the tarp last longer in sun-exposed applications.
• Available in multiple finished sizes to match common covering needs without cutting.

Cons

• Some users report tearing under heavy puncture or prolonged high-wind stress, so extreme conditions may reveal limitations.
• Finished sizes are set; trimming may be required for unusual custom fits.

Specifications

Material	Polyethylene
Thickness	9 mil
Finish size example	12'x20' (other sizes available)
Grommet spacing	Every 36 in
Edge reinforcement	Hem with poly rope stitched on all sides
Color	Military green / silver-brown

Our Verdict

The ChaoJin Heavy Duty 9 mil tarp is a practical, value-oriented cover for everyday outdoor protection. It pairs useful thickness with reinforced edges and well-spaced grommets, making it a dependable choice for homeowners, campers, and light contractors who need weatherproof coverage. While not a substitute for industrial tarps in the harshest environments, it offers solid protection and good usability at a reasonable price.

Frequently Asked Questions

Is this tarp fully waterproof?
Yes, the polyethylene construction and sealed weave make it waterproof for routine rain and snow protection.

How often are grommets placed?
Metal grommets are installed every 36 in along the reinforced hem for regular tie-down points.

Can it resist sun exposure?
The tarp is UV resistant to reduce sun damage and prolong usable life in outdoor settings.