Corrugated Greenhouse Panels 101: When Should You Use Them?

Are you looking to get the most out of your greenhouse this year? Whether you’re a seasoned gardener or just starting out, choosing the right materials for your greenhouse is crucial. One option that’s gaining a lot of popularity is corrugated greenhouse panels. These panels are not only durable but also provide excellent light diffusion and insulation, making them a top choice for many greenhouse lovers.

In this guide, we’ll dive deep into everything you need to know about corrugated greenhouse panels. We’ll explore their benefits and drawbacks, compare them to non-corrugated panels, and help you decide if they’re the right fit for your greenhouse. Plus, we’ll share some of the best products on the market and offer tips on installation and maintenance.

Ready to create the perfect environment for your plants? Let’s get started!

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What Are Corrugated Greenhouse Panels?

These are basically sheets made from materials like polycarbonate, plastic, or even metal. What sets them apart is their wavy, ridged design, which gives them extra strength and durability.

greenhouse corrugated panels

This design isn’t just for looks – it helps the panels stand up to tough weather while still letting plenty of sunlight in. Whether you’re just starting out or you’re a seasoned pro, corrugated panels can be a solid choice for your greenhouse.

What Are The Pros And Cons Of Using Them?

There are plenty of reasons why people love corrugated greenhouse panels. Here are some of the top benefits:

Benefits:

Durability and Strength:Thanks to their corrugated design, these panels are really tough. They can handle heavy snow, strong winds, and even hail without breaking a sweat.
UV Protection and Light Diffusion:Many corrugated panels come with UV protection, which keeps your plants safe from harmful rays. Plus, the wavy design helps spread the light more evenly, so your plants get a nice, even dose of sunshine.
Insulation Properties:Many corrugated panels come with UV protection, which keeps your plants safe from harmful rays. Plus, the wavy design helps spread the light more evenly, so your plants get a nice, even dose of sunshine.
Insulation Properties:These panels do a great job of keeping the temperature steady inside your greenhouse, which is crucial for healthy plant growth.
Cost-Effectiveness:Compared to materials like glass, corrugated panels are usually more affordable. They’re also cheaper to install and maintain, which is a big win for your wallet.
Easy To Install & MaintainInstalling these panels is pretty straightforward (if you’re handy). They can be attached to various types of greenhouse frames, and keeping them clean is not a problem – just a bit of soap and water will do the trick.

You can see that there are a lot of nice perks to using corrugated greenhouse panels, but what are the downsides?

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corrugated plastic greenhouse panels

Downsides

Of course, nothing’s perfect. Here are a few downsides to keep in mind:

Weight:Some corrugated panels, especially those made from metal, can be quite heavy. You’ll need a strong frame to support them.
Cost:While they’re generally affordable, top-quality panels, especially polycarbonate ones, can be a bit pricey.
Installation Complexity:If you’re not very handy, installing these panels can be a bit challenging. You might need some special tools or a helping hand, especially for bigger projects.

Now that you know what corrugated panels are all about, let’s answer the question that’s probably on your mind:

Which Is Better? Corrugated Greenhouse Panels Or Non-Corrugated?

corrugated panel greenhouse

Choosing the right type of greenhouse panel can make a big difference in how your greenhouse performs. Here’s why corrugated greenhouse panels might be a better choice than non-corrugated ones:

Enhanced Durability: The corrugated design gives these panels a lot of extra strength. They’re better at handling impacts and tough weather conditions like heavy snow and strong winds. Non-corrugated panels are strong too, but they don’t have that added toughness.

Better Light Diffusion: One of the cool things about corrugated panels is how well they diffuse light. The ridges help spread the sunlight more evenly throughout the greenhouse, which means fewer hotspots and more consistent light for your plants. Non-corrugated panels can sometimes cause uneven lighting, which isn’t always great for plant growth.

Improved Insulation: Those wavy ridges on corrugated panels create little air pockets that boost their insulating properties. This helps keep the temperature inside your greenhouse more stable, which is really important for healthy plants. Non-corrugated panels usually don’t insulate as well.

greenhouse roof

Increased Load-Bearing Capacity: Corrugated panels can handle more weight without bending or breaking, thanks to their structure. This is a big plus if you live in an area with heavy snowfall. Non-corrugated panels are more likely to buckle under heavy loads.

Cost-Effectiveness: While high-quality corrugated panels might cost more upfront, they tend to be more durable and last longer. This can save you money in the long run because you won’t need to replace them as often. Non-corrugated panels might need to be replaced more frequently, which can add up.

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Versatility: Corrugated panels come in all sorts of materials and thicknesses, making them suitable for a wide range of greenhouse designs and climates. Non-corrugated panels might not offer as many options.

So unfortunately there’s no simple answer over which one to use, because they each have their upsides and downsides.

When Should You Use Corrugated Greenhouse Panels?

Corrugated greenhouse panels are super versatile. Here’s when they really shine:

Suitable Climate and Environmental Conditions:These panels are perfect for areas with harsh weather, like heavy snow or strong winds. Their durability makes them a great choice for protecting your plants.
Types of Plants That Benefit:If you’re growing plants that need consistent light and temperature, like tomatoes, peppers, or herbs, these panels are ideal. The light diffusion helps avoid hot spots, promoting even growth.
Ideal Greenhouse Structures and Sizes:Whether you’ve got a small hobby greenhouse or a large commercial setup, corrugated panels can work for you. They’re strong and insulative, making them great for both temporary and permanent structures.
Case Studies and Examples: Plenty of successful greenhouses use corrugated panels. For example, some commercial growers have seen better yields and lower energy costs thanks to the insulation and light diffusion these panels provide.

Here is an interesting video that talks more about the value of polycarbonate panels for greenhouses:

Recommended Corrugated Greenhouse Panels to Buy

Ready to buy? Here is my recommendation for the best corrugated greenhouse panels to buy:

#1: Palram Corrugated Polycarbonate Panels

corrugated panels for greenhouse

Where To Buy: Amazon

Specs & Features:
– Dimensions of 25″ x 4′

– 92% light transmission and strong weather resistance

– 10 year warranty against UV degradation

– Comes with 5 panels per pack

– .225 lbs per sq. ft. of weight

Check Best Price ➡️ Amazon

Installation Tips for Corrugated Greenhouse Panels

Installing corrugated greenhouse panels isn’t too hard if you know what you’re doing. Here’s a step-by-step guide:

#1: Measure Your Greenhouse Frame: Make sure you get accurate measurements of your greenhouse frame to buy the right size panels.

#2: Gather Tools and Materials: You’ll need a saw, drill, screws, and sealing materials. Some panels might need special fasteners, so check the manufacturer’s instructions.

#3: Cut Panels to Size: If needed, cut the panels to fit your frame using a fine-toothed saw.

#4: Attach Panels to Frame: Start at the bottom and work your way up, overlapping the panels to ensure proper water runoff. Secure them with screws or nails.

#5: Seal Joints and Edges: Use weatherproof sealant to close any gaps and prevent leaks. This step is crucial for good insulation.

#6: Check for Stability: Make sure all panels are securely fastened and stable. In high-wind areas, add extra fasteners for safety.

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Here is a good guide on how to install corrugated roofing yourself if you need more directions.

Maintenance Tips for Corrugated Greenhouse Panels

Regular Cleaning:

  • Frequency: Clean your panels at least once every few months to maintain optimal light transmission.
  • Method: Use a mixture of mild soap and lukewarm water. Gently scrub the panels with a soft brush or sponge to remove dirt, dust, and any algae build-up.
  • Avoid Harsh Chemicals: Steer clear of abrasive cleaners or harsh chemicals that could damage the panels or reduce their lifespan.
  • Rinse Thoroughly: Ensure all soap residue is washed off to prevent streaks or film that could block light.

Check for Damage:

  • Routine Inspections: Conduct a thorough inspection of your greenhouse panels every season. Look for cracks, chips, or any signs of physical damage.
  • Focus on High-Stress Areas: Pay special attention to the edges and corners, as these areas are more prone to damage.
  • Replace Damaged Panels: If you find any damaged panels, replace them promptly. This helps maintain the structural integrity and efficiency of your greenhouse.

Re-seal As Needed:

  • Inspect Seals Regularly: Over time, the seals around the panels can degrade or become loose. Check seals at least twice a year, especially before extreme weather seasons.
  • Use Weatherproof Sealant: When re-sealing, use a high-quality, weatherproof sealant designed for greenhouse use. This ensures a tight, long-lasting seal.
  • Apply Evenly: Make sure the sealant is applied evenly to avoid gaps that could let in cold air or pests.
  • Allow to Cure: Let the sealant cure properly before exposing it to water or extreme conditions. Follow the manufacturer’s instructions for the best results.

Additional Tips:

Weather Protection: During extreme weather conditions, consider adding temporary support or protective covers to shield the panels from potential damage.

Prevent Scratches: When cleaning or working around the panels, avoid using sharp tools or abrasive materials that could scratch the surface.

Pest Control: Keep an eye out for pests that might try to make their way into the greenhouse through any gaps or weakened areas. Regular sealing helps keep them out.

Conclusion

Corrugated greenhouse panels can be a game-changer for your gardening setup. They offer excellent durability, better light diffusion, and superior insulation compared to their non-corrugated counterparts. Whether you’re dealing with harsh weather or just want to create the best possible environment for your plants, these panels are a solid choice.

When you’re making your decision, consider the specific needs of your greenhouse and the types of plants you’re growing. The benefits of corrugated panels, from their enhanced strength to their cost-effectiveness, make them a versatile and practical option for many gardeners.

And don’t forget, taking the time to install and maintain these panels correctly will pay off in the long run. Regular cleaning, checking for damage, and re-sealing when necessary will keep your greenhouse in top shape and ensure that your plants thrive.

If you’re ready to upgrade your greenhouse, investing in quality corrugated panels like the ones we’ve recommended can provide lasting benefits and peace of mind. Happy gardening!

Here are our favorite greenhouse accessories:
14 Best Greenhouse Accessories That You Need In 2024

FAQs

Is corrugated plastic OK for a greenhouse?

Yes, corrugated plastic is a great option for greenhouses. It’s lightweight, durable, and relatively inexpensive. The corrugated design adds strength, making it resistant to impacts and harsh weather conditions. Plus, it’s easy to cut and install, which is a big bonus if you’re doing it yourself.

How long do corrugated polycarbonate panels last?

Corrugated polycarbonate panels are known for their durability and can last a long time. On average, you can expect them to last around 10-20 years, depending on the quality of the material and how well they are maintained. Regular cleaning and proper installation can help maximize their lifespan.

What is the best roofing for a greenhouse?

The best roofing for a greenhouse depends on your specific needs, but corrugated polycarbonate panels are often considered one of the top choices. They offer excellent light transmission, are very durable, and provide good insulation. Glass is another great option for its clarity and aesthetic appeal, though it’s more expensive and can be more fragile.

Does corrugated plastic block UV?

Most high-quality corrugated plastic panels come with UV protection. This feature blocks harmful UV rays, which helps protect your plants and prolongs the life of the panels by preventing degradation caused by UV exposure. Always check the product specifications to ensure UV protection is included.

How thick should polycarbonate be for a greenhouse?

For most greenhouses, polycarbonate panels that are 6-8 mm thick are generally sufficient. This thickness provides good insulation and durability while still allowing plenty of light to pass through. Thicker panels (around 10 mm) can offer even better insulation and strength, especially in areas with extreme weather conditions.

How do I stop polycarbonate greenhouse panels from blowing out?

To prevent polycarbonate greenhouse panels from blowing out, make sure they are securely fastened to the frame. Use proper screws and sealing materials recommended by the manufacturer. Adding additional fasteners in high-wind areas can provide extra security. Sealing all edges and joints with a high-quality weatherproof sealant can also help keep the panels in place and protect against wind damage.

corrugated greenhouse panels plastic

References:
1 – Mark Spelman, Installing Corrugated Roofing Yourself: Everything You Need to Know, taken from: https://www.wikihow.com/Install-Corrugated-Roofing

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Jason Watson

My initial goal was to protect my loved ones from harmful pesticides & help them enjoy nature more. Now, I want to tell as many people as I can about what I've learned... I hope that I can inspire you to help cool our planet with your own little slice of paradise 🌱. Let's do this together!


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