20ft x 20ft Super Heavy Duty 16 Mil Brown Poly Tarp Cover - Thick

In this review of the 20' x 20' Super Heavy Duty 16 Mil Brown Poly Tarp Cover, the bottom line is simple: this tarp is for anyone who needs reliable, long-lasting outdoor protection without frequent replacement. The reviewer found the single biggest reason to buy is its construction quality - a true 16 mil thickness with an 8 oz per square yard weight and a 16 x 16 weave that stands up to wind, rain and sun better than typical thin tarps. For covering boats, trailers, lumber or creating a makeshift shelter, it delivers robust protection.

Key Features

• Extra thick construction: The 16 mil thickness and 8 oz per square yard weight provide a dense barrier that resists punctures and abrasion during extended outdoor use.
• Weather resistance: UV resistance and waterproof polyethylene keep contents dry and reduce sun degradation when left outside for months at a time.
• Secure tie-downs: Metal grommets spaced every 18 in and at each corner make it straightforward to lash the tarp down and create secure covers or temporary tents.
• Reinforced edges: Heavy folded and reinforced hems help prevent fraying or tearing around the attachment points under load.
• Multipurpose utility: The tarp works equally well as a truck or trailer cover, a drop cloth for painting, or a protective layer for stored equipment.
• True to size: The finished size runs true to the listed 20' x 20', making planning and fitting easier for projects and storage.

Who It's For

This tarp is ideal for contractors, boat owners, RV and trailer users, and homeowners who need a durable cover that tolerates exposure to storms and sunlight. Anyone who values long-term protection over the lightest possible weight will appreciate the 16 mil construction and reinforced hems.

Those who should look elsewhere are buyers who need an ultralight or ultracompack tarp for backpacking or minimalist camping, since customers note the material is substantially heavier than thin tarps. If minimal pack weight is the priority, a lighter fabric shelter is a better choice.

Pros & Cons

Pros

• Very durable 16 mil polyethylene construction that resists tears and punctures.
• Effective all-weather protection with waterproof and UV resistant properties.
• Grommets every 18 in and reinforced edges make securing the tarp simple and reliable.
• True-to-size finish simplifies covering boats, lumber stacks, and equipment.

Cons

• Heavier weight can be cumbersome for one person to handle when installing or folding.
• Brown color may absorb more heat in direct sun compared with lighter colors.

Specifications

Our Verdict

The 20' x 20' 16 mil brown poly tarp is a solid choice for anyone needing a dependable, long-lasting cover for outdoor equipment, construction materials, or shelter needs. Its heavy duty build and well placed grommets deliver reliable protection and simple tie-down options, offering good long-term value for those who prioritize durability over ultralight convenience.

Frequently Asked Questions

Is this tarp waterproof?
Yes, the polyethylene material is waterproof and designed to keep contents dry in rain and snow.

How close are the grommets spaced?
Grommets are spaced every 18 in (1.5 ft) and also placed at each corner for secure tie-downs.

Will the tarp resist sun damage?
The tarp is UV resistant, which reduces sun degradation and helps it last longer outdoors.