Better Blue Poly Tarp 30ft x 40ft - Durable Waterproof 5 Mil Cover

In this review of the Better Blue Poly Tarp 30' x 40', the bottom line is simple: this tarp is for anyone who needs a large, lightweight, weather-resistant cover that stays true to size. The reviewer found it especially useful for protecting vehicles, outdoor furniture and construction materials because of the 5 mil polyethylene construction and reinforced edges. The tarp balances affordability with usable durability, and the sewn-in poly rope plus aluminum grommets make it straightforward to secure in gusty conditions.

Key Features

• 5 mil polyethylene: Provides a lightweight yet effective waterproof barrier to keep items dry during heavy rain and snow.
• Reinforced hem with poly rope: Sewn-in rope along all sides reduces tearing and helps the tarp maintain shape when lashed down.
• Aluminum grommets every 3 ft: Rustproof grommets give multiple secure tie points for consistent anchoring across the full 30' x 40' span.
• UV treated: Sun protection reduces shrinkage and material breakdown for longer outdoor use.
• Finished true to size: The tarp measures as labeled so planning coverage for cars, boats or equipment is predictable.

Who It's For

The Better Blue Poly Tarp is best for homeowners, contractors and outdoor enthusiasts who need a large protective sheet for short- to medium-term weather protection. It works well for covering grills, stacked lumber, boats out of the water, and job-site equipment where a lightweight, easy-to-handle tarp speeds setup.

It is less suited to someone seeking a heavy-duty, industrial-grade tarp for permanent outdoor installations or extreme abrasion resistance; for continuous heavy wear or long-term tarp-on-ground use, a thicker industrial tarp would be a better match.

Pros & Cons

Pros

• Waterproof 5 mil material gives reliable protection from rain and snow without excessive bulk.
• Reinforced rope hem and aluminum grommets make tying down easier and more secure.
• UV treatment and shrink-proof construction extend outdoor life compared with untreated tarps.
• Large finished size covers vehicles and big equipment and runs true to the listed dimensions.

Cons

• The 5 mil thickness is lightweight and may not hold up to prolonged heavy abrasion or very sharp edges.
• Being a polyethylene tarp, it will eventually degrade with long-term constant sun exposure despite UV treatment.

Specifications

Brand	Xpose Safety
Material	Polyethylene
Thickness	5 mil
Finished Size	30 ft x 40 ft (cut size)
Grommet Spacing	Every 3 ft with grommet at each corner
Hem Reinforcement	Poly rope sewn into hem on all sides
Treatments	Waterproof, shrink-proof, UV treated

Our Verdict

The Better Blue Poly Tarp 30' x 40' is a sensible value pick for those who need a large, weatherproof cover that is easy to handle and secure. It offers practical protection with reinforced hems and rustproof grommets, making it a good choice for seasonal outdoor use, equipment storage and temporary job-site coverage.

Frequently Asked Questions

Is this tarp waterproof?
Yes, the 5 mil polyethylene construction is waterproof and designed to keep items dry during rain and snow.

Are the grommets rustproof?
Yes, the product includes aluminum grommets that resist rust and are spaced every 3 ft with one at each corner.

Does the tarp run true to size?
Yes, Xpose Safety lists this as a finished size product and it measures as labeled for reliable coverage planning.