I’ve been wanting to start some type of tunnel/enclosure to extend my growing season and possibly grow cold weather crops. I’m planning on building something that’s not considered “permanent” by the city.
However, I never really liked the look of the typical pole (metal/pvc) tunnels, plus has anyone priced pvc lately? I think I’m leaning towards something more timber frame looking, something I saw recently in this guy’s video: https://www.youtube.com/watch?v=qowrj7JbeZs
Does anyone have any tips or foreshadowing about using a design like this? I have read some things about the rough corners of timbers wearing the 6mil poly early, so I plan on chamfering and looking into some sort of corner shielding to reduce friction on the poly.
Also, I know that the typical hood designs use those zig-zag poly lock wire things, but I think I would instead just opt for using long wood cauls to basically clamp the poly to the frame underneath. It will lead to some screws going through the poly, but I think that as long as the wood clamps the poly around it, it shouldn’t lead to any tearing around that hole.
Anyone else done this type of design and have any warnings or cautions?
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