On the other hand, metal bend support is more durable as it is made of galvanized steel, and is commonly used to fix PEX pipes in cement walls. Plastic bend support is easier to attach to pipes due to its softness, and is often used to secure PEX pipes on surfaces like wooden walls. Both can help the tubing bend at around 90 degrees or more. When it comes to bend support for PEX tubing, there are two popular types in the market – plastic and metal bend support. Bend PEX With Heat and Using Internal SpringsĮssential Materials for Bending PEX TubingĪlternative Materials When Bending PEX Tubing Choosing the Right Bend Suppor Avoid Tight Bends When Working with PEX Tubing.Tips to Consider Before Bending PEX Pipes.