20 ft x 24 ft Heavy Duty 20 Mil White Tarp Cover - Waterproof

Our review of the 20 ft x 24 ft Core Tarps Extreme Heavy Duty 20 Mil Tarp Cover finds it best for homeowners, contractors and outdoor owners who need a large, reliable cover for roofs, boats, pools and patio furniture. The single biggest reason to buy is the combination of a true finished size and thick, 100% virgin polyethylene that feels substantial and blocks water and UV exposure without the shrinkage or thinness common in budget tarps.

Key Features

• Finished Size: The tarp arrives at the full specified dimensions so buyers get the stated 20 ft x 24 ft area instead of a tarp that is a few inches short.
• 100% Virgin Polyethylene: Made from pure, non-recycled material which gives the cover a consistent thickness and resistance to tearing and rot.
• Reinforced Edges: Reinforced hemmed edges improve long-term strength where the tarp is most likely to face stress during tie downs and wind.
• Metal Grommets: Strong grommets placed every 18 in allow secure attachment with rope or bungee cords for stable coverage in heavy weather.
• Weatherproof Construction: UV resistant and waterproof material keeps rain, sun and snow from degrading the items beneath the tarp over time.
• Multipurpose Use: Large format and durable build make it suitable for roofing patches, camping ground cover, pool protection or covering outdoor equipment.

Who It's For

This tarp is ideal for homeowners repairing or protecting roofs, contractors needing a heavy duty temporary cover, and boat or pool owners who want a strong, waterproof barrier. Its large finished dimensions suit projects where edge-to-edge coverage matters without surprises at delivery.

It may not be the right pick for very lightweight, short-term uses where a thinner, cheaper tarp would suffice, or for users who need custom-cut shapes rather than a large rectangular sheet. Those who require grommets spaced closer than 18 in or a different color for concealment should look elsewhere.

Pros & Cons

Pros

• Durable, thick 100% virgin polyethylene that resists tearing and rot.
• True finished size so the buyer receives the full 20 ft x 24 ft coverage advertised.
• Reinforced edges and metal grommets every 18 in for dependable tie-down points.
• Waterproof and UV resistant for year-round outdoor protection.

Cons

• Some customers report grommets can pull in extreme conditions, so extra care or reinforcement may be needed on highly exposed installs.
• Thickness can vary slightly between batches, which may matter for precision applications.

Specifications

Brand	Core Tarps
Finished Size	20 ft x 24 ft
Material	100% virgin polyethylene
Thickness	20 mil (may vary slightly)
Weave Count	16 x 16
Grommet Spacing	Every 18 in with metal grommets
Color	White

Our Verdict

The 20 ft x 24 ft Core Tarps Extreme Heavy Duty 20 Mil Tarp is a solid value for anyone needing a dependable, full-size tarp with waterproof and UV resistant performance. Its true finished size, reinforced edges and metal grommets make it a practical choice for roofing, boats and outdoor equipment, though buyers should reinforce grommet points for extreme or long-term storm exposure.

Frequently Asked Questions

Is this tarp waterproof?
Yes. The 100% virgin polyethylene construction is waterproof and intended to keep rain and snow off the covered object.

Are the listed dimensions exact?
Core Tarps uses finished sizing, so the tarp is sold at the full 20 ft x 24 ft dimensions rather than being a few inches short.

How close are the grommets?
Metal grommets are placed approximately every 18 in along the reinforced edges for secure tie downs.