Fill all imperfections with a sandable filler, sand smooth and dust the entire surface before applying size. Then hang your new wallpaper. Latex size may only be used under paper backed products. 3. If your walls have been painted with an enamel (high gloss) paint that are commonly found in kitchens and bathrooms, wash the entire surface with sugar soap then rinse with clean water. When dry, sand the entire surface with 80 grit aloe sandpaper to give a good grip or key for your size and paste to adhere to. Dust the entire surface to remove all dust particles, size the walls, then hang your wallpaper. Treat all areas of mould with Resene Moss & Mould Killer. Identify the source of the dampness and fix it to prevent any reoccurrence. 4. Sand new paperfaced plasterboard with 100 grit sandpaper to remove any nibs and so on, dust completely and apply two coats of size to allow for better slip and slide when hanging your wallpaper. 5. Sand yellowed or water soluble stained paperfaced plasterboard with 100 grit sandpaper, dust the entire surface and apply a coat of Resene Sureseal pigmented sealer. Leave as long as possible for the sealer to cure, then sand the entire surface with 80 grit sandpaper to give a good key for your size and paste to adhere to. Dust the entire surface to remove all dust particles and size the full wall area before hanging your wallpaper. Height of walls Distance around room (doors and windows included) Metres 9.75 10.97 12.79 13.41 14.63 15.85 17.07 18.29 19.51 20.73 21.95 23.16 24.38 25.60 26.82 28.04 2.13 - 2.29 4 5 5 6 6 7 7 8 8 9 9 9 10 10 11 11 2.30 - 2.44 4 5 5 6 6 7 8 8 9 9 10 10 11 11 12 12 2.45 - 2.59 5 5 6 6 7 7 8 8 9 9 10 10 11 12 13 13 2.60 - 2.74 5 5 6 6 7 8 8 9 9 10 11 11 12 12 13 13 2.75 - 2.90 5 6 6 7 7 8 9 9 10 10 11 12 12 13 13 14 2.91 - 3.05 5 6 7 7 8 9 9 10 10 11 12 12 13 14 14 15 3.06 - 3.20 5 6 7 8 8 9 10 10 11 12 12 13 14 14 15 16 3.21 - 3.35 6 7 7 8 9 9 10 11 11 12 13 14 15 15 16 16 3.36 - 3.50 6 7 8 8 9 10 10 11 12 13 13 14 15 16 16 17 Number of rolls required. We recommend ordering 1 additional roll as a spare. Resene Alabaster | 35