Tri-Wall are experts in multi-material packaging for automotive, engineering, industrial, retail and aerospace. Tri-Wall provide smart packaging solutions designed to be cost-effective, environmentally friendly and efficient. Tri-Wall has six sites in the UK and works with a variety of materials including heavy-duty corrugated cardboard, conventional / lightweight corrugated cardboard, timber, plywood, plastic returnable packaging, steel, fabric, foam and a variety of outer packaging. So whatever box you need. Tri-Wall has the solution. Tri-Wall, Smart Packaging Solutions.