Best Mil Plastic Sheets For Greenhouse Construction

what mil plastic sheet for greenhouse

Greenhouse plastic sheets are essential for regulating the temperature and providing protection from harsh weather conditions. The thickness of the plastic, measured in mils, is a key factor in its durability, with 6-mil plastic being popular for residential greenhouses and 10-mil plastic being more suitable for larger commercial operations. Clear plastic is recommended for optimal light transmission, although white and green plastic are alternatives for smaller greenhouses that require less light and heat. Polyethylene plastic is commonly used, offering UV protection and flexibility in varying weather conditions.

Characteristics Values
Thickness 4 mil, 6 mil, 9 mil, 10 mil
Durability Tear-resistant, weather-resistant, UV-resistant
Light transmission 90% light transmission
Colour Clear, white, green, black
Lasts 4-6 years
Recyclable Maybe, call your local recycle centre

shunpoly

When choosing plastic sheeting for a greenhouse, it is important to consider the thickness, or "mil", of the plastic. A thicker plastic sheet will be more durable and provide better protection for your plants against harsh weather conditions.

A thickness of 6-10 mil is recommended for greenhouse plastic sheeting. This thickness provides a good balance between durability and UV protection. Thinner plastic, such as 4 mil, may not be strong enough to withstand heavy rain, snow, hail, and falling debris. On the other hand, thicker plastic, such as 10 mil, may be more suitable for larger commercial operations or extreme weather conditions.

The 6-mil-thick plastic sheet is a popular choice for backyard gardeners and growers. It is tear-resistant and UV-treated, rated for 4 years of service. The UV treatment is especially ideal for areas with high UV exposure. Additionally, the plastic sheet remains flexible in cold weather while maintaining stability in hot weather.

For those seeking even greater durability, a 10-mil-thick plastic sheet is available. This option is string-reinforced and engineered for demanding environments. It features a four-layered polyethylene laminate construction, including a layer of string reinforcement and an additional layer of molten polyethylene for added strength. This thicker option is ideal for larger commercial greenhouses or areas with strong winds and extreme weather.

shunpoly

Colour options: Clear plastic lets the most light through, but white and green options are also available

When choosing plastic sheeting for a greenhouse, there are several factors to consider, including colour and thickness. Clear plastic lets the most light through and is the recommended choice for greenhouses. Clear plastic sheeting is available in 6-mil and 10-mil thicknesses, with the thicker option being ideal for larger commercial operations. It is designed to be flexible in cold weather and stable in hot weather.

White and green plastic options are also available, but they do not let as much light and heat in. This can be advantageous for small mini greenhouses that do not have a lot of ventilation and can overheat quickly. For larger greenhouses, shade cloth can be used to prevent overheating.

The thickness of greenhouse plastic is important as it needs to be durable enough to withstand heavy rain, snow, hail, and falling sticks. A thickness of at least 6 mil is recommended for most greenhouse applications, providing a good balance between strength, longevity, and light transmission. Woven plastic is also an option for those seeking extra durability, as it is puncture-resistant and can withstand hail and flying debris.

shunpoly

Attachment methods: Use a staple gun for wooden bases and add trim to protect against wind

Greenhouse plastic film can be attached to a wooden base using a staple gun. This is a common method for small garden greenhouses with wood stud walls. The plastic should be pulled taut and stapled to the wooden frame every 4 to 12 inches, depending on the source. It is recommended to leave a few inches of excess plastic when cutting to account for any inconsistencies in the wooden frame.

To protect against wind, it is important to add trim to the structure. Lattice trim can be cut and stapled to the wood frame, sandwiching the plastic between the pieces of wood. Batten tape can also be used to hold the plastic against the studs without tearing. The tape is applied over the plastic and stapled to the wood, providing reinforcement and preventing the plastic from ripping in heavy winds.

When selecting greenhouse plastic, it is important to consider the thickness, also measured in mils. A thicker plastic will provide better insulation and durability. For a small greenhouse, 6 mil plastic is a common choice for durability and insulation, while 10 mil plastic is ideal for larger commercial operations that require extra durability. Clear plastic is recommended for greenhouses as it lets the most light through, although clear plastic with UV protection can also be beneficial.

shunpoly

Durability: Thicker plastic is more durable and can withstand harsh weather conditions

When choosing plastic sheeting for a greenhouse, it is important to consider the thickness, or mil, of the plastic. Thicker plastic is more durable and can withstand harsh weather conditions, including heavy rain, snow, hail, and falling sticks. It is also important to consider the UV protection of the plastic, as the UV-resistant properties of greenhouse plastic typically last around 4 years.

For demanding environments where extra durability is required, 10 mil string-reinforced clear greenhouse plastic sheeting is recommended. This type of plastic sheeting is ideal for larger commercial operations and is designed to withstand extreme weather conditions. It is made of a four-layered polyethylene laminate, including a layer of string reinforcement and an additional layer of molten polyethylene for added strength. The integrated diamond pattern provides exceptional resistance to ripping, tearing, puncturing, and shredding, making it a durable option for high winds and harsh weather.

For most backyard gardeners and growers, 6 mil greenhouse plastic is strong enough for their needs and will last for several years. This thickness of plastic is also UV-treated and rated for 4 years of service, with the ability to remain flexible in cold weather and stable in hot weather. Clear plastic with high light transmission, typically around 90%, is recommended for greenhouses as it allows the optimal amount of sunlight to reach the plants for germination and growth.

In addition to thickness and UV protection, the type of plastic used can also impact its durability. Polycarbonate plastic, for example, is a strong and flexible material that can withstand heavy impact without cracking, making it ideal for areas prone to earthquakes, floods, or other harsh weather conditions. It is 20 times stronger than clear acrylic sheets and is completely waterproof. Polyamide-imide (PAI) is another extremely tough and durable plastic with good chemical resistance, electrical grade insulation, and low thermal expansion, allowing it to remain dimensionally stable at high temperatures.

Overall, thicker plastic sheeting for greenhouses provides increased durability and weather resistance. Depending on the specific requirements and environmental conditions, a range of options are available, including 6 mil and 10 mil thicknesses, UV-treated varieties, and polycarbonate or polyamide-imide materials for enhanced toughness and longevity.

shunpoly

Recyclability: The recyclability of plastic sheeting depends on your local recycling centre

When selecting plastic sheeting for a greenhouse, it is important to consider the thickness, or "mil", of the plastic. A thicker plastic sheeting will be more durable and long-lasting, especially in harsh weather conditions. Generally, 6-mil plastic sheeting is recommended for greenhouses as it is strong enough to withstand heavy rain, snow, hail, and falling debris. Thicker options, such as 10-mil plastic sheeting, are also available and are ideal for larger commercial greenhouses.

Now, let's discuss the recyclability of plastic sheeting, which depends on your local recycling centre's capabilities and acceptance criteria. Plastic sheeting can be challenging to recycle due to its complex structure and the potential for contamination. However, it is not impossible to recycle, and there are a few factors to consider:

Firstly, the type of plastic sheeting matters. Some common types of plastic sheeting include polyethylene, polypropylene, and corrugated plastic. Polyethylene (#4 or #2) thin film plastic is generally recyclable and can be taken to store drop-off bins in many US municipalities, but it's important to ensure that it is clean and dry. On the other hand, polypropylene and corrugated plastic sheets may be more difficult to recycle through traditional methods due to their durability, flexibility, and complex structure.

Secondly, the condition of the plastic sheeting is important. Recyclers typically require plastic to be clean and dry to ensure effective recycling without contaminating other materials. It is recommended to give plastic sheeting a light wipe with a dry cloth to remove any residue before taking it to a recycling centre.

Additionally, the availability of specialised recycling processes, such as pyrolysis technology, can impact the recyclability of plastic sheeting. Pyrolysis is a process that breaks down plastic sheets in the absence of oxygen, converting them into valuable resources like fuel oil and gas. This method is particularly effective for plastics that are challenging to recycle using conventional mechanical methods.

Lastly, it is essential to contact your local recycling centre to inquire about their specific capabilities and acceptance criteria for plastic sheeting. They will be able to provide you with the most accurate and up-to-date information regarding the recyclability of plastic sheeting in your area.

Frequently asked questions

The thickness of the plastic sheet depends on the weather conditions and the size of your greenhouse. For harsh weather, a thicker plastic sheet is recommended. For a small greenhouse, 6 mil plastic sheeting is recommended, while larger commercial greenhouses may require 10 mil plastic sheeting.

Clear plastic sheets allow the most light to pass through and are recommended for greenhouses. White and green plastic sheets can be used for smaller greenhouses that do not require as much light and heat.

When attaching the plastic sheet to a wooden base, you can use a staple gun. It is recommended to place a few pieces of wood trim on top of the plastic once it's stapled down to prevent the wind from ripping the plastic up.

Written by
Reviewed by

Explore related products

Share this post
Print
Did this article help you?

Leave a comment