RAINDEWAY Large Tarps 20x30 ft 8 Mil Blue Tarp - Durable Cover

In this review of the RAINDEWAY Large Tarps 20x30 ft 8 Mil Blue Tarp the bottom line is straightforward: this is a budget-friendly, multipurpose waterproof tarp best for routine outdoor protection where weight and coverage matter more than heavy-duty puncture resistance. The reviewer found it ideal for covering outdoor furniture, garden beds and small boats because of its full, accurate finished size and handy metal grommet spacing, and noted that the tarp's UV resistance and reinforced edges make it a practical, everyday weather shield.

Key Features

• 8 mil thickness: Provides a balance of light weight and weather protection suitable for general use and temporary covers.
• Tightly-woven polyethylene: The 10 x 10 weave and about 3.6 oz/sq yard construction give reasonable tear resistance while keeping the tarp flexible and easy to move.
• Metal grommets and reinforced edges: Grommets spaced about 35.4 in apart and reinforced corners allow secure fastening and reduce fraying at attachment points.
• UV resistant and weather proof: Treated to provide UV protection so the tarp resists sun damage and extends useful life outdoors.
• Finished full size: The listed 20x30 ft finished dimensions are accurate for straightforward coverage of roofs, pools, cars, and garden areas.

Who It's For

This tarp is best for homeowners, gardeners, and DIYers who need a large, affordable cover for seasonal protection, temporary roofing, or to shield outdoor equipment from rain, dirt and sun. Its size and grommet spacing make it convenient for hoisting over patio furniture, boats, or temporary shelters.

Those who need a heavy-duty, long-term solution for constant high-wind or industrial use should look at thicker tarps; several users call out that this 8 mil material is on the thinner side compared with contractor-grade options.

Pros & Cons

Pros

• Good coverage for the price, making cleanup and seasonal protection easier.
• Reinforced edges and metal grommets spaced for reliable tie-down points.
• UV resistant finish helps it last longer in sunny conditions.

Cons

• At 8 mil the material is relatively thin compared with heavy-duty tarps, so it may not suit extreme or long-term abuse.

Specifications

Our Verdict

The RAINDEWAY 20x30 ft 8 mil tarp is a solid value for general-purpose outdoor protection where coverage, UV resistance and reinforced tie points are the priorities. It is recommended for homeowners and gardeners who need a large, easy-to-handle tarp for seasonal or temporary projects; if long-term heavy-duty resistance is required, consider a thicker industrial tarp instead.

Frequently Asked Questions

Is the listed size accurate?
Yes, the finished 20x30 ft dimensions are the usable full size as sold.

Will this tarp stand up to sun exposure?
The tarp is UV resistant and treated to reduce sun damage, making it suitable for prolonged outdoor use though not as durable as thicker, industrial tarps.

How close are the grommets?
Grommets are metal and spaced about 35.4 in apart with reinforced edges and corners for secure tie-downs.