Answering the question “What is the best 15 by 20 tarp for my needs?” this guide highlights five top options suited for outdoor protection, camping, roofs, and general cover. Each pick caters to different priorities such as durability, weight, and ease of use. The top products are best for: campers seeking rugged shelter, DIYers needing heavy-duty coverage, and homeowners guarding equipment from the elements.
Quick comparison table of selected tarps:
| Product | Thickness | Best For | Caution |
|---|---|---|---|
| CARTMAN 16x20Ft Multipurpose Tarp | 8 mil | Rugged outdoor use and emergency shelter | Heavy; may require extra tie-downs in high winds |
| Hanjet 15×20 5 Mil Tarp | 5 mil | Lightweight, budget-friendly cover | Less tear resistance than thicker options |
| Xpose Safety 15×20 10 Mil Tarp | 10 mil | Durable, sun and weather protection | Heavier to handle |
| GUARD SHIELD 16×20 Green Tarp | 10 mil | Dual-sided protection with sturdy grommets | Bulkier for small projects |
| Better Blue 15×20 5 Mil Tarp | 5 mil | Versatile, economical coverage | Thinner; not ideal for heavy wind areas |
CARTMAN 16x20Ft Multipurpose Tarp

Features: 8 mil finished size; dustproof and waterproof; heat-sealed edges; reinforced with nylon rope inside seams. The tarp is designed for harsh weather and heavy-duty use.
Best for: Outdoor enthusiasts and emergency shelter planners. The 8-mil thickness and reinforced construction make it suitable for camping, cargo protection, and temporary shelters where reliability matters.
Why selected: Combines robust protection with reinforced seams and grommets, making it dependable for frequent outdoor setup. The waterproof and dustproof design helps keep gear dry in rain or dust storms.
Caution: Heavier weight and larger size can be more cumbersome to deploy in tight spaces or when wind conditions are extreme. Ensure proper anchoring to avoid flapping in gusts.
Waterproof Heavy Duty Tarp 15×20 5 Mil

Features: All-purpose heavy-duty coverage; 5 mil thickness in multiple sizes; UV-resistant and 100% waterproof; reinforced edges with metal grommets every few feet.
Best for: Campers and DIYers needing a cost-effective solution for tents, firewood covers, or garage projects. The assortment of sizes helps tailor coverage for a specific project.
Why selected: The mix of waterproofing and UV resistance provides long-lasting outdoor protection, while reinforced edges and grommets improve tie-down reliability.
Caution: Thinner construction compared with higher mil tarps may be less durable in high-wind areas or when frequently re-tethered.
Xpose Safety Heavy Duty Tarp 15×20, 10 Mil

Features: 10 mil thickness; heavy-duty outdoor use; laminated coating; UV blocking to protect contents from sun damage; rustproof grommets aid secure anchoring.
Best for: Applications requiring added durability, such as roof protection, equipment covers, or long-term outdoor storage.
Why selected: The thicker build and UV-blocking properties provide superior weatherproofing and longer life in challenging climates.
Caution: Heavier weight may require stronger fasteners and extra effort to secure in high-wind conditions.
GUARD SHIELD Heavy Duty Tarp 16×20 Green

Features: 10 mil thick; double-sided green tarp; heat-sealed seams; rope in hem; rustproof aluminum grommets every 3 feet.
Best for: Home projects that require robust coverage with easy visibility and secure tie-downs on larger areas.
Why selected: The double-sided coating and reinforced seams provide reliable protection across multiple uses, from roofing to landscaping.
Caution: Heavier tarp can be less convenient for quick setup; consider dedicated stakes or bungee systems for fast deployment.
Better Blue 15×20 5 Mil Tarp

Features: 5 mil; lightweight and versatile; waterproof; weatherproof; multiple uses for equipment covers, furniture, and outdoor setups.
Best for: Budget-conscious buyers needing flexible coverage for smaller or moderate tasks, or for temporary setups where weight matters.
Why selected: Excellent balance of cost and utility, with enough durability for non-heavy wind conditions and quick setups.
Caution: Thinner material means less resistance to tearing in rugged environments; secure edges well to extend life.
Buying Guide
What thickness should I choose?
Thickness ranges from 5 mil to 10 mil in these options. Use 5 mil for light, occasional coverage and portability. Choose 8–10 mil when you need heavier protection, longer life, and better wind resistance.
What features matter most?
- Seams: Heat-sealed seams reduce leaks and tearing.
- Edges and grommets: Reinforced edges and grommets every few feet reduce tearing and improve tie-downs.
- UV resistance: UV-blocking tarps protect contents from sun damage for longer outdoor use.
How should I anchor a tarp?
Use sturdy rope or bungees, anchor points every 3–4 feet, and consider tie-downs at all corners. In windy areas, additional weights or stakes help prevent flapping.
What tasks are these tarps best for?
- Camping and emergency shelter
- Equipment covers and outdoor furniture protection
- Roof or groundsheet protection for DIY projects
How do I choose among these five?
- Best for rugged outdoor use and frequent deployment: CARTMAN 16×20 (8 mil).
- Best value and broad outdoor versatility: Hanjet 15×20 (5 mil) or Better Blue (5 mil).
- Best for long-term weatherproofing and sun protection: Xpose Safety 10 mil.
- Best all-around durability with easy tie-downs: GUARD SHIELD 16×20 (10 mil).
FAQ
- What does the mil thickness mean for tarps?
Mil measures material thickness; higher mil means stronger, more durable and weather-resistant tarps.
- Are lighter tarps suitable for windy conditions?
Lightweight tarps can flap more; secure them well and consider higher mil options for wind-prone areas.
- Do tarps block UV light?
Some tarps offer UV blocking; this helps protect items from sun damage, extending their life outdoors.
- Should I buy a tarp with reinforced edges?
Yes, reinforced edges reduce tearing and improve long-term durability when tied down.
- How many grommets should a tarp have?
Grommets every 3–4 feet provide consistent anchoring; more grommets improve stability but add weight.
- Is a reversible or double-sided tarp better?
Double-sided tarps can offer different weather-facing properties and appearance; choose based on intended use.
