Wallpaper Rubber powder Pour this product to cold water (wallpaper type see table) to stir. Beat well after 30 minutes expansion ,the thick can be used. Wallpaper with mortar to use, can enhance the function. Dissolving ratio(1 60gï¼per box) Style Cold water For rolls/m2 Normal wallpaper about 4-5L 5 Rollsï¼About 25m2ï¼ Heavy wallpaper about 4 L 4-5 Rollsï¼About 20-25m2ï¼ Aways follow instructions given by the wallpaper producerï¼ The surface should be firmï¼soundï¼cleanï¼dry and absorbentï¼Remove old wallpaper with wallpaper remover or steamï¼Clean the surface properly and level itï¼Surfacs not well cheaned could cause stainsï¼Porous and freshly plastered suraces should be sized firstï¼Nonabsorbent surfaces should be sanded to open poresï¼Apply by brush a prope r and even coat of paste to the lengths of the wallpaperï¼dependent on the absorpion power of the materialï¼Fold the lengths doubleï¼paste to pasteï¼and allow to soak sufficientlyï¼Nest start hanging the paper in the susal wayï¼The paste remains wo rkable for some daysï¼Remove stains and any excess paste immediately with a damp colthï¼Clean tools with waterï¼Keep dryï¼