Large Waterproof Tarp 20 Mil Thick - Heavy Duty 20ft x 40

Our review of this Large Waterproof Tarp finds it best suited to anyone needing broad, economical protection for outdoor equipment or a temporary shelter. The single biggest reason to buy is its combination of extra thickness and reinforced hems, which deliver reliable protection from rain, snow and sunlight for covers that need to span long runs or large items. It reads like a straightforward work tarp rather than a premium custom cover, and that practical focus is what makes it useful for general purpose shielding and short-term projects.

Key Features

• Premium Quality: The extra thick, yet reasonably lightweight material balances manoeuvrability with the strength needed to cover machinery, woodpiles or stored goods.
• Superior Protection: UV, waterproof and mildew-proof construction keeps items dry and resists sun damage during extended outdoor use.
• Multipurpose Use: Large dimensions make it suitable for cars, motorcycles, grills, canopy tents, or as a camping ground sheet where broad coverage is needed.
• Expert Construction: Rope-reinforced hems and rust-proof grommets every 36 in provide secure tie-down points and reduce the risk of tearing at attachment points.
• Return Promise: A 30-day satisfaction pledge allows buyers to return the tarp if it does not meet their expectations.

Who It's For

This tarp is for homeowners, contractors and outdoor hobbyists who need a large, general-purpose protective cover for predictable weather exposure and temporary protection. It excels when used to protect stored goods, cover a boat up to about 16 ft, or provide rainproof shelter for outdoor equipment.

Those who need a fitted, long-term fabric cover or absolute industrial-grade reinforcement for continual heavy-strain applications should look at custom or specialized covers; this tarp is designed as a practical, multipurpose solution rather than a bespoke permanent enclosure.

Pros & Cons

Pros

• Durable, extra-thick material that provides solid waterproof and UV protection for general outdoor use.
• Reinforced hems with rope and rust-proof grommets every 36 in make tie-downs secure and simple.
• Large 20 ft x 40 ft dimensions cover broad items and can be adapted for many jobs, offering good value for size.

Cons

• Some users report mixed experiences with long-term tear resistance, so very heavy or abrasive use may reveal limits.
• Not a tailored fit for vehicles or long-term permanent covers; trimming and extra fastening may be needed for some applications.

Specifications

Our Verdict

This Large Waterproof Tarp is a practical, cost-effective option for anyone who needs broad, temporary outdoor protection. With a thick 20 mil build, reinforced hems and widely spaced rust-proof grommets, it delivers solid weather resistance and versatile use at a reasonable price; buyers seeking a tailored or permanently heavy-duty cover should consider specialized alternatives.

Frequently Asked Questions

Is this tarp suitable for covering a boat?
Yes, its 20 ft x 40 ft size and waterproof material can cover many boats, and customers note it fits boats around 16 ft with overlap.

Are the grommets reinforced for tie-downs?
Grommets are rust-proof and spaced every 36 in with a rope-reinforced hem to help reduce tearing at attachment points.

Will it resist mold and sun damage?
The material is described as UV-resistant and mildew-proof to help protect items from sun and moisture exposure.