“The correct temperature needed for properly bending decking material to a permanent curve will vary depending on the product type — PVC or wood-polymer composites — specific composition, density, ...
Chances are good that you’ve already lost some blood to thermoforming, the plastics manufacturing process that turns a flat sheet of material into an unopenable clamshell package, tray inside a box, ...
Thermoplastics are amazingly versatile materials. Apply some heat, add a little force, and within seconds you’ve got a part. It’s not always quite that simple, but as [maxelrad] discovered, sometimes ...