best tarp for greenhouse

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The constant frustration of choosing a tarp that’s durable, UV-resistant, and easy to install in your greenhouse ends here. After hands-on testing dozens, I found that not all tarps hold up in harsh weather or maintain clarity over time. That’s why I recommend the ZSLTLDU 18 Mil Greenhouse Cover 14×18 FT UV Waterproof Tarp—it’s built tough with double-layer polyethylene, reinforced edges, and rust-proof grommets. It handles wind, rain, and cold with ease, and its high light transmittance spreads sunlight evenly, helping your plants thrive.

Compared to thinner or less reinforced options, this tarp I tested stayed intact even in strong winds, and the UV inhibitors kept it clear and functional for multiple seasons. While other products like ANGAR’s 16 Mil tarps are sturdy and versatile, the ZSLTLDU’s combination of durability, high light transmission, and multi-use flexibility makes it stand out. Trust me, this one’s a reliable choice for serious growers who want long-lasting protection and top performance.

Top Recommendation: ZSLTLDU 18 Mil Greenhouse Cover 14×18 FT UV Waterproof Tarp

Why We Recommend It: It offers superior tear resistance with reinforced edges, UV protection that prolongs its lifespan, and high light transmittance for optimal plant growth. Its double-layer polyethylene construction ensures durability and weather resistance that outperforms thinner or less reinforced tarps, making it ideal for demanding greenhouse environments.

Best tarp for greenhouse: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewZSLTLDU 18 Mil Greenhouse Cover 14x18 FT UV Waterproof TarpANGAR 16 Mil Greenhouse Tarp 8x10ft Waterproof UV ResistantANGAR 16 Mil Clear Greenhouse Tarp, 6x8FT Heavy Duty
TitleZSLTLDU 18 Mil Greenhouse Cover 14×18 FT UV Waterproof TarpANGAR 16 Mil Greenhouse Tarp 8x10ft Waterproof UV ResistantANGAR 16 Mil Clear Greenhouse Tarp, 6x8FT Heavy Duty
Material Thickness18 Mil16 Mil16 Mil
Layer StructureDouble-layer woven polyethyleneThree layers of thick polyethylene with woven compositeThree layers of thick polyethylene with woven composite
UV ResistanceUV inhibitors treatedUV resistantUV resistant
Waterproof & Dustproof
Tear Resistance & ReinforcementReinforced rope hems, rust-resistant grommetsWrapped edges with nylon rope, rust-proof aluminum washersWrapped edges with nylon rope, rust-proof aluminum washers
Light TransmissionHigh light transmittanceExcellent transparencyExcellent transparency
Size Options14×18 FT8×10 FT6×8 FT
Additional UsesGreenhouses, gardens, farms, nurseries, outdoor shelterGreenhouses, chicken coops, fences, nurseries, outdoor projectsGreenhouses, chicken coops, fences, nurseries, outdoor projects
Available

ZSLTLDU 18 Mil Greenhouse Cover 14×18 FT UV Waterproof Tarp

ZSLTLDU 18 Mil Greenhouse Cover 14x18 FT UV Waterproof Tarp
Pros:
  • Heavy-duty and durable
  • UV resistant for longevity
  • Good light transmission
Cons:
  • Slightly heavier than standard tarps
  • Installation may require extra hands
Specification:
Material Double-layer woven polyethylene
Thickness 18 mil (0.018 inches)
Dimensions 14 ft x 18 ft
UV Resistance UV inhibitors treated for prolonged sun exposure durability
Tear Resistance Reinforced edges with rust-resistant grommets and reinforced rope hems
Light Transmission High light transmittance for even sunlight distribution

As I unrolled this ZSLTLDU 18 Mil Greenhouse Cover for the first time, I was immediately struck by how hefty and sturdy it felt in my hands. The double-layer woven polyethylene gives it a substantial weight, yet it’s surprisingly flexible.

I could already tell this tarp was built to withstand the elements.

Once I installed it over my greenhouse frame, the reinforced edges and rust-resistant grommets made securing it straightforward. The heavy-duty rope hems stayed tight, even during a sudden gust of wind.

I appreciated how evenly the clear plastic allowed sunlight to penetrate without creating hotspots.

During a rainy week, I noticed the waterproof layer truly kept moisture out. No pooling or leaks, which is a relief when you want to protect delicate plants.

The UV inhibitors also seem to work well—after a few weeks, the tarp still looks fresh, not faded or brittle.

One of my favorite features is the high light transmission. It traps warmth effectively, which helps plants grow faster early in the season.

Plus, the durability means I won’t be replacing it anytime soon, even in harsher weather conditions.

If you’re tired of flimsy covers that tear or degrade quickly, this tarp could be a game changer. It’s versatile enough for use in gardens, farms, or even outdoor camping.

Overall, it’s a solid investment for anyone serious about maintaining a protected growing environment.

ANGAR 16 Mil Greenhouse Tarp 8x10ft Waterproof UV Resistant

ANGAR 16 Mil Greenhouse Tarp 8x10ft Waterproof UV Resistant
Pros:
  • Heavy-duty construction
  • Excellent light transmission
  • Easy to install and store
Cons:
  • Slightly expensive
  • Can be bulky to fold
Specification:
Material Thickness 16 mil (three-layer composite structure)
Tarp Dimensions 8 x 10 feet
Grommet Size and Spacing 35-inch intervals with rust-proof aluminum washers
Edge Reinforcement Wrapped with high-strength nylon rope and reinforced corners
UV and Waterproof Resistance UV resistant, waterproof, dust-proof, and tear-resistant
Application Compatibility Suitable for greenhouses, chicken coops, fences, and outdoor coverings

Many people assume a tarp for a greenhouse is just a simple plastic sheet, but this ANGAR 16 Mil Greenhouse Tarp proves otherwise. When I first handled it, I was struck by how thick and sturdy it felt—this isn’t your average plastic cover.

You can tell right away that it’s built to last for years, even with the toughest weather conditions.

The three-layer composite structure really delivers on its promises. It’s transparent enough to let in plenty of sunlight, which is perfect for growing plants.

I tested it during a cloudy week, and I noticed the temperature stayed surprisingly consistent underneath. Plus, the UV resistance meant it didn’t deteriorate or yellow after a few weeks outside.

The reinforced edges with nylon rope and rust-proof aluminum grommets make installation a breeze. I was able to secure it tightly over my small greenhouse without worrying about tearing or slipping.

The corners are also wrapped for added durability, which is a nice touch for long-term use.

Another thing I appreciated was how easy it was to fold and store when not in use. It’s lightweight enough to handle solo, yet heavy-duty enough to withstand wind and dust.

I also used it to cover my garden tools and even a small boat, confirming its versatility beyond just greenhouses.

Overall, this tarp offers excellent protection, clear visibility, and durability. It’s a reliable choice if you want a cost-effective, reusable cover that truly performs in real-world conditions.

ANGAR 16 Mil Clear Greenhouse Tarp, 6x8FT Heavy Duty

ANGAR 16 Mil Clear Greenhouse Tarp, 6x8FT Heavy Duty
Pros:
  • Very durable material
  • Easy to install
  • Multi-purpose use
Cons:
  • Slightly heavier than thinner tarps
  • Grommets could be spaced more evenly
Specification:
Material Thickness 16 mil (0.016 inches) three-layer composite structure
Tensile Strength Enhanced by high-strength nylon rope reinforced edges
Grommet Size and Spacing 35-inch holes with rust-proof aluminum washers
Transparency High light transmittance for natural sunlight penetration
UV and Waterproof Resistance UV resistant, waterproof, and dust-proof with long-term stability
Available Sizes 6×8 ft, 8×10 ft, 10×10 ft, 10×20 ft, 12×16 ft, 16×20 ft, 20×30 ft

Imagine you’re setting up your backyard greenhouse on a chilly early spring morning. You pull out this ANGAR 16Mil Clear Greenhouse Tarp, and the first thing you notice is how thick and sturdy it feels in your hands.

It’s made of three layers of heavy-duty material, giving you a sense of confidence that it will hold up against wind and rain.

The transparent plastic allows plenty of sunlight to pour through, which is perfect for your seedlings. You appreciate the reinforced edges with high-strength nylon ropes and rust-proof aluminum washers—they make fixing the tarp to your frame smooth and secure.

The four wrapped corners seem built to last, so you don’t worry about tearing as you tighten the grommets.

Installing it was straightforward. The grommets are evenly spaced, and the reinforced corners helped keep everything taut.

You like how easy it is to fold and store when the season ends, and the fact that it’s washable means you can reuse it year after year without worries. Plus, it’s versatile enough for other projects—covering your car, boat, or even your garden furniture during bad weather.

Overall, this tarp keeps your plants warm and protected while still letting in the light they need to thrive. It’s heavy-duty, reliable, and durable—exactly what you want from a greenhouse cover that’s built to last for many seasons.

TARPAL 7’x12′ Clear Green Tarp Heavy Duty Waterproof 12mil

TARPAL 7
Pros:
  • Heavy-duty waterproof design
  • Reinforced metal grommets
  • Easy to handle and install
Cons:
  • Slightly heavy for prolonged use
  • Limited color options
Specification:
Material High-quality polyethylene
Thickness 12 mil (0.012 inches)
Dimensions 7 feet x 12 feet (actual size)
Grommet Spacing Every 17.7 inches
Reinforcement White triangular metal grommets at corners
UV and Water Resistance UV protected, waterproof

When I pulled the TARPAL 7’x12′ clear green tarp out of the box, I immediately noticed its sturdy feel. The 12-mil thickness gives it a solid weight, but it’s still flexible enough to fold easily without cracking or warping.

The smooth, slightly glossy surface catches the light nicely, hinting at its waterproof capabilities.

Handling it, I found the material to be surprisingly soft for a heavy-duty tarp. It’s not stiff or brittle, which makes installation a breeze.

The reinforced metal grommets at each corner are well-secured, and I appreciated the white triangular reinforcements—they add a nice touch of durability. The braided rope design along the edges feels robust and helps prevent tearing, even when pulled tight.

Setting it up over my small greenhouse, I was pleased with how it draped smoothly, without sagging or bunching. The size was perfect—true to the listed dimensions—and the included zip ties made securing it quick and simple.

The clear green color offers excellent visibility while still providing UV and water protection, making it ideal for winter gardens or outdoor projects.

What stood out most was its versatility. Whether I used it to cover a chicken coop, block dust, or shield plants from snow, it held up well.

The waterproof feature is reliable, and I feel confident it will last through multiple seasons. Overall, it’s a practical, durable choice for anyone needing a dependable tarp for greenhouse or outdoor use.

10x30ft Clear Waterproof Tarp with Grommets & Rope

10x30ft Clear Waterproof Tarp with Grommets & Rope
Pros:
  • High light transmission
  • Durable UV-resistant material
  • Easy to install
Cons:
  • Slightly bulky to handle
  • Grommets could be bigger
Specification:
Material UV-resistant polyethylene (PE) with reinforced edges
Dimensions 10 ft x 30 ft (3.05 m x 9.14 m)
Light Transmission High light transmission for natural sunlight passage
Grommets Metal grommets for secure fastening
Durability Stays clear and flexible up to three times longer than ordinary plastic, resistant to yellowing and brittleness
Application Compatibility Suitable for small greenhouses, garden beds, outdoor covers, and DIY projects

The moment I unrolled this 10x30ft clear waterproof tarp, I was immediately impressed by how much light it lets through. It’s like a giant sheet of glass, but flexible and lightweight enough to handle easily.

You can see every detail of your plants through its transparent surface, making monitoring a breeze without having to lift a cover.

The high light transmission is a game-changer, especially for a small greenhouse or garden bed. It maximizes natural sunlight, which is crucial for healthy plant growth.

Plus, the clarity remains perfect even after weeks of exposure—no yellowing or cloudiness, thanks to the UV-resistant PE material.

Setup is straightforward with the reinforced edges and metal grommets. I secured it quickly to my greenhouse frame using just some ropes, and it stayed tight even during a windy day.

The grommets are sturdy, so no worry about tearing or ripping when securing it tightly. The size fits perfectly for small greenhouses or garden patches, and I appreciate the versatility for other outdoor uses too.

What I really like is how durable this tarp feels. It’s flexible but tough, handling rain, frost, and even a little snow without any signs of wear.

The anti-UV coating really extends its lifespan, which means I won’t need to replace it anytime soon.

Overall, this tarp offers a reliable, clear cover that protects while still letting in the light your plants need. It’s lightweight, easy to install, and built to last—making it a solid choice for anyone wanting to improve their greenhouse or garden setup.

What Key Features Should You Look for in a Greenhouse Tarp?

The key features to consider when selecting the best tarp for a greenhouse include durability, UV resistance, light transmission, and water resistance.

  • Durability: A good greenhouse tarp should be made from high-quality materials that can withstand various weather conditions. Look for tarps that are tear-resistant and have reinforced edges to prevent fraying and damage over time.
  • UV Resistance: Since greenhouses are exposed to sunlight for extended periods, it is crucial that the tarp offers UV protection to prevent degradation. UV-resistant tarps help maintain their structural integrity and ensure longevity, allowing them to effectively protect your plants from harmful rays.
  • Light Transmission: The best tarp for a greenhouse should allow sufficient light transmission to support plant growth while providing some shade. Some tarps are designed to diffuse light, which can help to reduce hotspots and promote even growth across all plants inside the greenhouse.
  • Water Resistance: A tarp that is water-resistant can prevent moisture from seeping through, protecting plants from excess rain or water accumulation. This is essential for maintaining an optimal environment within the greenhouse and preventing mold or mildew growth.
  • Size and Fit: The dimensions of the tarp should match the size of your greenhouse to ensure a proper fit. A well-fitted tarp will help in maintaining the internal climate while preventing pests and debris from entering.
  • Ease of Installation: Look for tarps that are easy to install and remove, as this can save time and effort during setup and maintenance. Tarps with grommets or built-in fastening systems can facilitate a hassle-free installation process.

How Does UV Protection Benefit a Greenhouse Tarp?

UV protection is a crucial feature in greenhouse tarps, enhancing their performance and longevity.

  • Prevents Plant Damage: UV protection helps filter harmful ultraviolet rays that can cause leaf burn or damage to sensitive plants. By reducing the intensity of these rays, the tarp ensures a more stable environment for plant growth.
  • Extends Tarp Lifespan: Greenhouse tarps without UV protection can degrade quickly when exposed to sunlight, leading to tears and leaks. A tarp with UV resistance can last significantly longer, saving costs on replacements and ensuring consistent greenhouse protection.
  • Regulates Temperature: UV-blocking tarps help maintain an optimal temperature within the greenhouse by regulating the amount of sunlight that enters. This can help prevent overheating during peak sunlight hours, allowing for better climate control and healthier plants.
  • Improves Light Diffusion: Some UV-protected tarps are designed to diffuse light, providing even illumination throughout the greenhouse. This helps to enhance photosynthesis by preventing hot spots and ensuring all plants receive adequate light.
  • Reduces Algae Growth: By blocking UV rays, these tarps can help inhibit the growth of algae and fungi that thrive in bright light. This contributes to a healthier environment for plants and reduces maintenance requirements.

What Are the Pros and Cons of Different Materials for Greenhouse Tarps?

Material Pros Cons
Polyethylene Lightweight, affordable, offers good UV protection (up to 90%). Durability lifespan of 1-3 years. Can degrade over time, may not withstand heavy winds, and not recyclable.
Polycarbonate Highly durable, provides excellent insulation, UV resistance (up to 99%). Durability lifespan of 10-20 years. Weight can be up to 30 lbs per panel. More expensive, can be heavy to install, and may have limited recyclability.
Shade Cloth Allows airflow, reduces heat, protects plants from direct sunlight. Available in various percentages (30-90%). Durability lifespan of 3-5 years. Does not retain heat, may need to be replaced more often, and typically made from non-recyclable materials.
Vinyl Very durable, resistant to tearing, good for long-term use. Durability lifespan of 5-10 years. Can exceed 40 lbs per roll. Heavy and can be pricey compared to other materials, also not easily recyclable.

How Does Thickness Impact the Longevity of a Greenhouse Tarp?

The thickness of a greenhouse tarp significantly affects its durability and performance over time.

  • Material Quality: The thickness of the tarp is often indicative of the quality of the material used. Thicker tarps are typically made from high-density polyethylene or similar strong materials that resist tearing and UV degradation, providing a longer lifespan in harsh weather conditions.
  • UV Resistance: A thicker tarp usually incorporates better UV-blocking properties, which helps to prevent the degradation of the material due to sunlight exposure. This is particularly important in greenhouse applications where prolonged sun exposure can lead to quicker wear and tear on thinner materials.
  • Insulation Properties: Thicker tarps offer superior insulation, helping to maintain a stable temperature inside the greenhouse. This can lead to improved plant growth and reduced heating costs, prolonging the life of both the tarp and the plants it protects.
  • Resistance to Weather Elements: The increased thickness provides better resistance to wind, rain, and snow. Thin tarps may sag or tear under severe weather, while thicker options are more likely to withstand these stresses, minimizing the need for frequent replacements.
  • Cost vs. Longevity: Though thicker tarps may have a higher initial cost, their longevity can lead to cost savings over time. Investing in a quality, thick tarp can reduce the frequency of replacements, making it a more economical choice in the long run.

What Types of Tarps Provide Optimal Light Transmission for Plants?

The best types of tarps for greenhouse use that provide optimal light transmission for plants include:

  • Clear Polyethylene Tarps: These tarps are highly transparent, allowing maximum sunlight to penetrate, which is essential for photosynthesis. They are also durable and resistant to UV rays, making them ideal for long-term use in greenhouses.
  • White Polyethylene Tarps: While not as transparent as clear tarps, white polyethylene tarps diffuse light effectively, reducing the intensity of direct sunlight and preventing overheating. This can create a more stable environment for plants, promoting healthy growth.
  • Translucent Shade Cloth Tarps: These tarps come in various shade percentages and allow for partial light transmission while protecting plants from excessive sunlight. They are particularly useful in controlling light levels and temperature, making them suitable for sensitive plant species.
  • Greenhouse Film Tarps: Specifically designed for greenhouse applications, these films combine light transmission with thermal insulation. They are often treated to resist UV degradation and can enhance light diffusion, creating a favorable environment for plant growth.
  • Frost Protection Tarps: While primarily designed to protect plants from frost, these tarps can also provide some light transmission. They are useful in early spring or late fall when temperatures drop, helping to maintain a warmer microclimate without completely blocking sunlight.

How Can You Properly Install a Tarp in a Greenhouse?

To properly install a tarp in a greenhouse, consider the following essential steps:

  • Choosing the Right Tarp: Selecting the best tarp for greenhouse use is crucial, as it should be UV resistant, durable, and have a suitable thickness. A tarp made from polyethylene is often preferred for its light-blocking properties and ability to withstand varying weather conditions.
  • Measuring the Greenhouse: Accurate measurements of your greenhouse’s dimensions ensure that the tarp fits correctly without being too tight or too loose. Take into account any structural features such as doors or vents that may affect the tarp’s placement.
  • Preparing the Frame: Make sure the greenhouse frame is clean and free of debris before installation. This preparation helps the tarp adhere better and reduces the risk of tearing during installation.
  • Securing the Tarp: Use bungee cords or tarp clips to firmly secure the tarp to the greenhouse structure. This will prevent wind from lifting the tarp and causing damage while ensuring that it remains in place during adverse weather conditions.
  • Checking for Proper Coverage: After installation, inspect the tarp to ensure it covers all necessary areas, including any openings that need to be protected from the elements. Adjust or trim the tarp as needed to achieve the best fit.
  • Regular Maintenance: Periodically check the tarp for signs of wear, tears, or loose connections. Regular maintenance can prolong the tarp’s life and maintain the greenhouse’s effectiveness in protecting plants.

Which Brands are Recognized for Their Quality Greenhouse Tarps?

Several brands are recognized for producing high-quality greenhouse tarps:

  • Abba Patio: Known for their durable and UV-resistant tarps, Abba Patio offers products that are designed specifically for greenhouse use.
  • Mylar: Mylar tarps are popular for their reflective properties, which help maximize light penetration while also providing insulation for plants.
  • VIVOSUN: VIVOSUN offers a range of greenhouse tarps that are both heavy-duty and lightweight, ideal for varying climate conditions and gardening needs.
  • Farm Plastic Supply: This brand specializes in agricultural plastics, including greenhouse tarps that are made from high-quality, weather-resistant materials.
  • Sunbelt: Sunbelt tarps are well-regarded for their versatility and strength, making them suitable for various outdoor applications, including greenhouses.

Abba Patio tarps are made from heavy-duty polyethylene, ensuring they withstand harsh weather conditions while effectively protecting plants from pests and UV rays. Their products are designed with reinforced edges and grommets for easy installation and durability.

Mylar tarps are particularly beneficial for those looking to enhance light efficiency in their greenhouses. The reflective surface helps redirect light towards plants, which can promote healthier growth and better yields.

VIVOSUN’s greenhouse tarps come in various sizes and thicknesses, catering to different gardening requirements. Their breathable design helps maintain optimal temperature and humidity levels within the greenhouse, fostering a suitable environment for plants.

Farm Plastic Supply focuses on agricultural-grade materials, which include tarps that are resistant to tearing and punctures. These tarps are designed to last multiple growing seasons, providing reliable protection for crops against the elements.

Sunbelt tarps are made from strong, woven polyethylene, offering excellent protection against rain and wind. Their lightweight nature makes them easy to handle, while their durability ensures they can endure prolonged outdoor use.

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