I have mounted this above my greenhouse as the Arizona High Desert area has very intense sunshine every day! We are at 7000 feet elevation. Best to protect plantings from such intense heat.
The best sail ever for maximizing shade outside, and at the same time it's made my room indoor much cooler , I like it better then the triangular sails .
Do not underestimate the poor quality of the included hardware, especially the turnbuckles. Unlike some other reviewers, I went ahead and attempted installation with the included hardware. Without even reaching the necessary tension, one of the turnbuckles failed completely, with the eye bolt slipping right through the turnbuckle body. Local hardware store sells stainless 5 1/4" turnbuckles for about $5/each. The shade itself is very nice and appears to be good quality, but they sure dropped the ball on the hardware and would have been better off not even including it.
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