Choosing the right thickness for a hoop house tunnel plastic cover matters a lot. According to Greenhouse Cover, their hoop house / poly plastic option is made at 6 mil thickness. This thickness offers a reliable balance: it’s durable enough to withstand heavy rain and wind, and strong UV-resistance helps it last through seasons. For year-round use you want something at least this thick, because thinner film tends to tear, lose heat, or degrade faster. Opting for a custom-cut width and proper installation also helps ensure your hoop house stays stable and your plants are better protected.
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