Core Tarps Extreme Heavy Duty 20 Mil Tarp Cover - Heavy, Waterproof

In this review of the Core Tarps Extreme Heavy Duty 20 Mil Tarp Cover, the bottom line is clear: this tarp is for anyone who needs a heavy, weatherproof sheet that stands up to sun and rain without stretching thin or shredding. The reviewer found the finished size promise and the 100% virgin polyethylene construction to be the defining strengths, delivering a noticeably thicker, heavier tarp that works for roof patches, boat covers, camping shelters, and outdoor gear protection.

Key Features

• Finished Size: The tarp delivers the full 10 ft x 20 ft finished dimensions so you get the claimed coverage without the common shortfall from other brands.
• 100% Virgin Polyethylene: Pure, non-recycled material provides a tougher, more tear-resistant sheet that resists rot and breakdown better than mixed-material tarps.
• Reinforced Edges and Grommets: Metal grommets every 24 in and reinforced hems make tying down and securing the tarp more reliable and reduce the risk of edge fraying.
• 20 Mil Thickness: The extra-thick poly feels heavy in hand and gives confidence for demanding jobs like roof cover and long-term outdoor exposure.
• Weatherproof Performance: UV resistant, waterproof and weatherproof construction keeps contents protected from sun damage, rain, wind and light snow.

Who It's For

The Core Tarps 20 Mil tarp is aimed at homeowners, contractors, and outdoor enthusiasts who need a durable, heavy-duty cover for roofs, boats, pools, furniture, or camping shelters. Its weight and reinforced construction suit jobs where a flimsy tarp would fail and where long-term outdoor protection is required.

Those who should look elsewhere include buyers who need an ultra-lightweight or packable tarp for backpacking or minimalist camping, or users needing precise custom cut materials; this product prioritizes durability and finished full-size coverage over ultralight portability.

Pros & Cons

Pros

• Very durable feel from 100% virgin polyethylene and noticeable 20 mil thickness.
• Finished size provides true 10 ft x 20 ft coverage without missing inches.
• Reinforced edges and metal grommets every 24 in make secure tie-downs easy.
• UV resistant and waterproof for reliable year-round protection.

Cons

• Heaviness that indicates durability also makes it less convenient to fold and carry for lightweight camping.
• A few customer reports mention tearing under extreme localized stress, so severe concentrated loads should be avoided.

Specifications

Brand	Core Tarps
Finished Size	10 ft x 20 ft
Material	100% virgin polyethylene
Thickness	20 mil
Weave Count	16 x 16
Grommet Spacing	Every 24 in with reinforced edges
Weather Resistance	Waterproof and UV resistant

Our Verdict

The Core Tarps Extreme Heavy Duty 20 Mil tarp is a solid choice for anyone who needs dependable, full-size coverage for outdoor protection. Its virgin polyethylene build, reinforced hems and thick 20 mil sheet deliver real durability and value for roof patches, boat covers, patio protection and heavy-duty camping applications, though lighter-duty users may prefer a more packable option.

Frequently Asked Questions

Is this tarp truly waterproof?
Yes, the material is waterproof and reinforced to resist rain and moisture for outdoor use.

How often are the grommets placed?
Metal grommets are placed every 24 in along reinforced edges for secure tie-downs.

Is the size exact when ordered?
The tarp is sold as a finished size, so the 10 ft x 20 ft dimensions are the actual usable size.