These retractable shade panels easily pull back when shade is not desired or when foul weather is threatening. Stainless steel supporting cables are included. Custom sized for an existing trellis or to fit within a new stand alone frame.
How to Build a Easy DIY Solar Pool Heater. All you need is 4 two foot lengths of pvc, 4 90 degree pvc elbows, foam pipe insulation, duct tape, 6 mil black plastic and some wire ties. The project takes less than one hour. This design works great for above