The Grange Alderley Square Trellis is an attractive, joint framed lattice trellis that is designed to be used with a pergola or outdoor structure. The Alderley Square Trellis comes in many of sizes & is constructed from a pressure treated process to ensure that the wood has great longevity & is more resilient to outdoor conditions. The Alderley Trellis is perfect for providing your garden with more privacy by using the lattice design to intertwine plants between the diamond slats, the lattice structure also doubles up as an aesthetically pleasing partition or boundary fence panel..