For any greenhouse, high tunnel or hoop house builder there comes a day when it’s time to replace the cover. This is one of the most important decisions for a grower, as the material plays a huge role in heat retention, light penetrations and durability.

There are a few greenhouse cover replacement things to consider before making this decision. First, decide what your needs are for a permanent covering. If you’re looking for something more durable, fiberglass panels are available in a variety of colors and cost about $1 per square foot. They will last for at least 10 years, reveals the University of California, and allow 78 to 90 percent of natural sunlight to pass through uninterrupted.

Renew and Protect: Replacing Your Greenhouse Cover for Optimal Growing Conditions

If you prefer a more temporary covering, acrylic or plexiglass is a great option. These clear panels are durable and can be easily cleaned to prevent algae growth. They also let in a higher percentage of natural sunlight (90%) and are easy to maintain.

Greenhouses made of polyethylene are another good choice. They can be purchased in a wide range of sizes and shapes, and are designed to withstand rain, snow and wind. They can be hung from a framework or fastened to a ground stake.

This replacement tunnel greenhouse cover works with any 11.4′ x 9.8′ x 6.6′ Wall Hugger greenhouse frame and can be used as a backup or to extend your growing season in the event of a damaged or ripped tarp. It features six roll-up windows that can be zipped up or fastened down to control temperatures, humidity and air flow and is made of protective polyethylene plastic.