The paint may flake. Grid. Our double-frame grid provides extra stability and strength, while also offering a flexible solution. With eyelets in the frame they can be easily mounted or bolted together, allowing them to be extended both in height and width. The classic wall-mounted grid solution can be easily adapted to different types of products. Choose from sizes 60 x 90 cm, 60 x 120 cm, 90 x 90 cm, or 90 x 120 cm. 2nd grade. While stocks last.