Before processing, check to ensure that the substrate is suitable for the intended application. The substrate must be dry, stable and dust-free, clean and smooth. Tips: Prepare walls and use a primer if required to enable Magnepaint to bond to the surface. Old layers that are load bearing, wall covering and adhesive residue from previous wallpapering must be removed. The Material is handmade and has natural variations in appearance, it is important to unpack as many sheets as possible on a clean surface to visually plan which panels are to be hung next to each other.