When choosing a 20×20 tarp, the goal is reliable weatherproof shelter, versatile coverage, and durable construction for outdoor use. This guide highlights five top picks, suitable for DIY projects, camping, and jobsite protection. Best for construction or equipment covering, best for budget-conscious shoppers, best for heavy-duty needs, and best overall versatility. Each option is evaluated by waterproofing, thickness, and edge quality to help you decide which tarp best fits your needs.
| Product | Best For | Thickness | Waterproofing |
|---|---|---|---|
| Amazon Basics Multi Purpose Waterproof Poly Tarp Cover | General weather protection and job-site covering | 10 mil | Waterproof |
| 20x20Ft 5mil Waterproof Tarp | Lightweight, budget-friendly outdoor use | 5 mil | Waterproof |
| CARTMAN 20x20Ft Multipurpose Tarp | Camping and emergency gear coverage | 8 mil | Waterproof |
| GUARD SHIELD Heavy Duty Tarp | Heavy-duty outdoor protection | 10 mil | Waterproof |
| 20′ x 20′ Super Heavy Duty Poly Tarp | Rugged, UV-resistant protection |
Amazon Basics Multipurpose Tarp, 20×20, 10Mil
This tarp is designed for general protection, making it a solid choice for construction, roofing, or vehicle coverage projects. The 20×20 size offers ample surface area for large items, while the 10-mil thickness provides a balance of flexibility and durability. The double-sided polyethylene laminated coating and heat-sealed seams help maintain waterproofing even in inclement weather.
Best for: DIY projects and job-site protection where a reliable, mid-weight tarp is preferred. It’s suitable for covering equipment, temporary shelter, or weatherproofing materials in a yard or on-site environment.
Limitations: While durable, it may be heavier than lighter 5-mil tarps and could be less convenient for quick, temporary setups. Consider this if you need ultra-lightweight options for frequent transport.
20x20Ft 5mil Waterproof Tarp, Blue
This tarp is notably lightweight at 5 mil, with UV resistance and weather protection designed for quick, temporary coverage. It features windproof and waterproof properties, making it suitable for lightweight camping setups, ground covers, or as a weather shield for outdoor gear. Aluminum edge buckles add stability in gusty conditions.
Best for: Budgets tight on cost and weight, or for short-term outdoor projects where easy handling is a priority. It’s a good option for camping, ground cloths, or temporary shelters during events.
Limitations: The thinner material may wear more quickly under sharp edges or heavy use. Avoid heavy-duty, long-term protection when exposed to rough conditions without an additional protective layer.
CARTMAN 20x20Ft Multpurpose Tarp 8 Mil, Green
This tarp features an 8-mil thickness with reinforced edges and metal grommets every 36 inches. Heat-sealed and reinforced edges along with nylon rope inside help prevent tearing. The green color is versatile for outdoor gear storage and camping uses, offering good overall durability at a reasonable price.
Best for: Campers and outdoor enthusiasts needing a sturdy, reusable tarp to cover gear, tents, or emergency shelter. The reinforced construction helps withstand wind and rain when staked properly.
Limitations: Weight is higher than lighter tarps; for very light expeditions, a thinner option might be preferable. Ensure proper staking in windy areas to maximize durability.
GUARD SHIELD Heavy Duty Tarp
This heavy-duty tarp provides robust coverage with a 10-mil thickness, designed for serious outdoor use. The green color blends into natural surroundings and signals rugged utility. It is marketed as multi-purpose and thick enough to resist tearing and moisture penetration in varied weather conditions.
Best for: Projects requiring durable, long-lasting protection, such as construction sites, equipment shelters, or weatherproofing large items. It’s better for sustained exposure than lighter options.
Limitations: Heavier handling and transportation due to thickness; may require more effort to set up quickly in emergency scenarios.
20′ x 20′ Super Heavy Duty Poly Tarp
This tarpaulin is marketed as super heavy duty with a 16 mil thickness, offering exceptional tear resistance and UV durability. It is brown for a discreet appearance and designed to withstand rugged outdoor conditions. Grommets and reinforced edges contribute to long-term usability in demanding settings.
Best for: Builders and outdoor operators needing rugged protection against weather, wind, and abrasion. It’s ideal for long-term projects and high-traffic outdoor coverage where durability is critical.
Limitations: The thick material can be less flexible, making setup slower in tight spaces. Only choose if you need maximum durability and can manage the extra weight.
Buying Guide: Tarp Selection For 20×20 Coverage
- Material thickness: Choose from 5 mil to 16 mil. Thicker tarps offer greater durability and tear resistance but are heavier and less flexible. For long-term outdoor use, 8–16 mil often provides the best balance.
- Waterproofing: Look for heat-sealed seams and laminated coatings. Double-sided coatings improve water resistance and reduce leakage at seams.
- Grommet spacing and edge strength: Regularly spaced grommets (e.g., every 36 inches) and reinforced edges increase wind resistance and secure mounting capabilities.
- Color and visibility: Green or brown blends into outdoor environments; blue is common for temporary covers and visibility. Color may influence UV exposure and heat absorption.
- Intended use: Camping, landscaping, construction, or emergency shelter each benefit from different thicknesses and edge constructions. Define the primary use to guide material choice.
- Weight and handling: Lighter tarps are easier to deploy for short-term tasks. Heavier tarps require more effort to move but provide superior durability over time.
FAQ
- What 20×20 tarp thickness should I choose for occasional camping? – A 5 mil tarp is usually enough for lightweight protection, but for tougher weather, consider 8 mil or higher.
- Are all 20×20 tarps waterproof? – Most are marketed as waterproof, but always check seams and coatings for reliability under prolonged exposure.
- What is the typical grommet spacing on 20×20 tarps? – Common spacing is around 36 inches, with reinforced edges for added strength.
- Can I use a tarp for emergency shelter? – Yes, especially thicker tarps with reinforced seams and sturdy grommets, but ensure proper anchoring and ventilation.
- Which tarp is best for construction sites? – A heavier 8–16 mil tarp with reinforced edges and robust grommets is preferable for durability and wind resistance.
- Should I avoid any tarps for certain conditions? – Very thin tarps under heavy wind may tear; avoid using them as primary shelter in extreme weather.