H Channel Fits 1/2" thick panels. Divider Moulding is used with PVC, plywood and other materials to create stacked directories, custom displays and more. Mill Finish. Made of 6063 T5 aluminum that offers impact protection and will not rust in outdoor environments. Included in Outwater’s large inventory of stocked products is our line of aluminum divider mouldings. Our aluminum h divider mouldings make it easy to create custom signs for your business or display building directories. These profiles are manufactured from 6063 T5 aluminum, which provides some corrosion resistant properties and will stand up to high levels of wear and tear, making them perfect for use in outdoor environments. The 6063 T5 also provides great extrudability and high-quality finishes for our aluminum mouldings. These extruded aluminum h channels are much lighter and more cost effective than stainless steel mouldings, and can be utilized in an array of creative applications such as: Frames/Signage (Store Fixture/POP) Stacked Directories Custom Signs and Displays Outdoor Signage