Multi Purpose Waterproof Poly Tarp Cover 20 x 20 ft - Durable

Our review of this multi purpose waterproof tarp cover finds it is best for homeowners, contractors, and anyone who needs a heavy, reliable cover for outdoor projects. The single biggest reason to buy is its combination of thick, double-sided polyethylene and heat-sealed seams, which deliver durable waterproof protection for jobs like roofing, painting, equipment storage, and pool liners. Customers often mention its strong build and value for money, making it a solid choice when durability and coverage matter more than ultra-light weight.

Key Features

• Waterproof construction: Double-sided polyethylene laminated coating and heat-sealed seams keep water out and protect items beneath from rain and moisture.
• Large coverage area: The 20 x 20 ft size gives generous coverage for patio furniture, vehicles, or jobsite materials without awkward gaps.
• Heavy 10MIL thickness: A thicker material provides improved puncture and tear resistance for use in rough outdoor conditions.
• Reinforced attachment points: Built-in 1/2 in metal grommets every 36 in and a rope-in hem make securing the tarp quick and reliable in wind.
• Mildew resistant: Treated to resist deterioration by mildew and is washable, so it lasts longer with simple maintenance.

Who It's For

This tarp is aimed at homeowners tackling seasonal projects, contractors who need a heavy-duty cover for short-term sites, and gardeners or pool owners looking for dependable weather protection. Its size and thickness make it suitable for covering equipment, lumber piles, or an above-ground pool base.

Those who need an ultra-lightweight, easily packable tarp for backpacking or minimalist travel should look elsewhere, as several users note the tarp is on the heavier side for its dimensions. If portability and minimal weight are priorities, a thinner tarp in a smaller size will be a better fit.

Pros & Cons

Pros

• Thick 10MIL material offers strong resistance to tears and punctures for demanding outdoor use.
• Waterproof, double-sided laminate and heat-sealed seams provide reliable protection in rain and wind.
• Frequent grommets and rope-in hem make it easy to secure and tie down for stable coverage.
• Good overall value for the build quality and durability reported by customers.

Cons

• Weight is mixed in customer feedback; it can be cumbersome to handle for one person due to the heavy material.
• The large 20 x 20 ft size may be more than needed for small, simple tasks.

Specifications

Our Verdict

This heavy-duty 20 x 20 ft poly tarp is a practical buy for anyone who needs dependable waterproof coverage and durability for outdoor projects. Its thick laminate, reinforced grommets, and mildew resistance combine to deliver consistent protection and good long-term value for homeowners and pros who prioritize strength over extreme portability.

Frequently Asked Questions

Can this tarp be used under an above-ground pool?
Yes, customers report it works well as a pool underlayment thanks to its size and puncture-resistant 10MIL thickness.

How are the attachment points spaced?
The tarp has 1/2 in metal grommets spaced every 36 in with a rope-in hem for secure tie-downs.

Is the tarp mildew resistant?
Yes, the material is treated to resist mildew and the tarp is washable for longer life.