GUARD SHIELD Green Tarp Waterproof 20x40 ft Medium Duty - Durable

In this review the GUARD SHIELD Green Tarp 20x40 ft is evaluated as a budget-friendly, general purpose cover for outdoor gear and temporary shelter. The bottom line: it is best for customers who need a large, portable waterproof cover that provides practical protection from sun and rain without a high price. The tarp's single biggest selling point is its combination of a 7mil medium duty thickness with heat sealed seams and rustproof grommets, which makes it useful for camping footprints, truck bed covers, and covering equipment in fair to moderate conditions.

Key Features

• 7mil Medium Duty: The 7mil thickness offers a balance of weight and protection for short-term outdoor use and seasonal covers.
• Double-sided Coated Polyethylene: The woven and coated construction helps repel water and resist UV exposure for routine outdoor tasks.
• Heat Sealed Seams and Rope Hem: Reinforced seams with a rope in the hem improve edge strength and reduce the chance of seam failure under tension.
• Rustproof Aluminum Grommets: Grommets placed every 3 ft allow secure tie-downs for tarping vehicles, boats, or creating a shelter with predictable spacing.
• Portable and Reusable: The tarp is washable and foldable so it can be stored or carried to campsites, job sites, or yard tasks as needed.

Who It's For

The GUARD SHIELD 20x40 ft tarp suits homeowners, campers, and DIYers who need a large, inexpensive cover for gear, vehicles, or temporary shelter. It is especially useful as a tent footprint for 10x10 or 10x14 tents, a cover for pools or sandboxes, and as an emergency roof patch or truck bed cover when a light- to medium-duty solution is acceptable.

Those who depend on long-term heavy-duty protection in harsh environments or need industrial-grade tear resistance should look for heavy-duty or reinforced professional tarps; this model is aimed at value and versatility rather than extreme durability.

Pros & Cons

Pros

• Good value for money for occasional outdoor protection and shelter needs.
• Works well as a tent footprint or as a quick shelter and kept users dry in heavy rain in many reports.
• Rustproof aluminum grommets every 3 ft make securing the tarp straightforward and consistent.
• Lightweight, washable, and easy to store when not in use.

Cons

• Durability is mixed in customer reports; some users experienced tearing sooner than expected under heavy wear.
• As a medium duty 7mil tarp, it is not suited for constant abrasive conditions or long-term structural loads.

Specifications

Brand	GUARD SHIELD
Size	20 ft x 40 ft
Thickness	7mil medium duty
Material	Woven and coated polyethylene
Seams	Heat sealed with rope in hem
Grommets	Rustproof aluminum, spaced every 3 ft
Uses	Camping shelter, tent footprint, vehicle and equipment cover

Our Verdict

The GUARD SHIELD Green Tarp 20x40 ft is a practical, cost-conscious choice for campers and homeowners who need a large, waterproof cover that is easy to handle and store. It delivers strong protection against sun and rain for routine uses and works well as a tent footprint or temporary truck bed cover, though buyers seeking long-term heavy-duty durability should consider heavier reinforced tarps.

Frequently Asked Questions

Is this tarp fully waterproof?
Yes, the double-sided coated polyethylene and heat sealed seams make it waterproof for typical outdoor protection against rain and sun.

How often are the grommets spaced?
Grommets are rustproof aluminum and placed every 3 ft to allow regular tie-down points along the edges.

Can it be used as a tent footprint?
Yes, customers commonly use it as a footprint for 10x10 and 10x14 tents to protect tent floors from moisture and abrasion.