Several of you asked how I secure frost fabric to the hoops in my low tunnels. Here’s some background info on what I’ve tried and what has worked best for me. After making hoops out of EMT (electric metallic tube), I needed something that would secure frost fabric to them. I learned that “snap clamps” were made for this purpose. I purchased a set. They installed easily, but after using them for a few weeks, I began to notice some issues. The frost fabric often came loose because the snap clamps weren’t holding the fabric securely. Most snap clamps are made for use with PVC tubing. Since PVC tubing has a thicker wall than metallic tubing of the same inner diameter, the clamps fit loosely on my metal hoops. In addition, when I repeatedly put the clamps on and took them off, their sharp corners began causing rips in the fabric! After more research, I discovered the Bootstrap Farmer snap clamp which was designed specifically for EMT. Not only was the plastic body thicker and more sturdy, it incorporated metal tensioners for extra grip strength. It was also designed with rounded, tapered, and flared corners which made the clamp easier to put on and take off, but also prevented it from cutting into and ripping the fabric. After five winters of using the Bootstrap Farmer clamps, I can highly recommend them not just for their superior quality and design but also for their durability. While the other clamps quickly got brittle and broke, the Bootstrap Farmer snap clamps still look and perform like new. I highly recommend these clamps whether for use with frost fabric during the winter or for shade fabric and insect netting during the warmer months! For links to these clamps, visit my Amazon Shop through my bio and you’ll find them in the “Gardening” section!
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