40 x 60 Heavy Duty 20 Mil Tarp Cover - Waterproof UV Resistant

In this review of the 40 x 60 heavy duty 20 mil tarp cover, the bottom line is simple: this tarp is for buyers who need a substantial, weatherproof sheet that delivers full finished dimensions without surprises. The reviewer found the tarp best for covering roofs, boats, patio furniture or creating a durable shelter because it is made from 100% virgin polyethylene and has reinforced edges and frequent grommets to hold tension. If exact finished size and material quality matter, this tarp stands out compared with thinner, mixed-material alternatives.

Key Features

• Finished size: The tarp arrives at the full advertised 40 x 60 size so users get the complete coverage they expect without being short on either side.
• Virgin material: Constructed from 100% virgin polyethylene which increases resistance to tearing and rot compared with many recycled blends.
• Reinforced edges: The sewn, reinforced hems help distribute stress and reduce the chance of edge fraying when tied down.
• Grommets every 18 in: Metal grommets spaced at 18 in intervals allow secure tie-downs with rope or bungee cords for stable coverage in wind.
• Weatherproof protection: The tarp is waterproof and UV resistant so it can be used year-round for rain, sun and light snow exposure.

Who It's For

This tarp is aimed at homeowners, contractors and outdoor enthusiasts who need reliable, large-format coverage and expect true finished dimensions from a tarp purchase. It suits anyone covering a leaking roof patch, protecting equipment, or building a temporary canopy where weight and material integrity matter.

It is less suited for extremely long-term permanent installations where metal fastenings and repeated high-wind exposure could eventually stress grommet points; customers seeking ultra-lightweight, packable camping tarps should also look elsewhere in favor of lighter materials designed for portability.

Pros & Cons

Pros

• Thick, heavy material gives a reassuring weight and improves durability for roof and equipment protection.
• True finished dimensions remove guesswork when planning coverage for specific projects.
• Reinforced edges and frequent metal grommets make secure tie-downs straightforward.
• Waterproof and UV resistant for year-round outdoor use.

Cons

• Some customers report grommet tearing under extreme strain, so additional reinforcement may be needed for very high-tension installations.
• The tarp is heavy and not optimized for backpacking or lightweight camping use.

Specifications

Brand	Core Tarps
Finished size	40 x 60
Material	100% virgin polyethylene
Thickness	20 mil (may vary slightly)
Weave count	16 x 16
Grommet spacing	Every 18 in
Features	Reinforced edges, waterproof, UV resistant

Our Verdict

The 40 x 60 20 mil tarp is a practical choice for homeowners and tradespeople who need a heavy, weatherproof cover at full advertised dimensions. It offers good value because of its virgin polyethylene construction and reinforced edges, though installers should inspect and, if needed, reinforce grommet areas for very high-tension or permanent applications.

Frequently Asked Questions

Is this tarp fully waterproof?
Yes, the tarp is designed to be waterproof and weatherproof for rain and general outdoor exposure.

Will the tarp arrive at the exact 40 x 60 size?
Yes, Core Tarps ships this model as a finished 40 x 60 size so you receive the full dimensions advertised.

Are grommets reinforced to prevent tearing?
The tarp has metal grommets every 18 in and reinforced edges, but some users recommend additional reinforcement if the tarp will be under very high tension.