Preparation for the site: Before applying Multipurpose Putty White, for the new wall, use a 120 sandpaper or stone and for the old wall, use a scraper or soap to clean up the wall. New plaster is needed for covering different flaws, holes, cracks in the wall. Use Multipurpose Putty White to plain only for small holes, cracks or flaws.
Step-1: Use 1 coat A close Sealer (water-based) for new walls and then dry it for 3 - 5 hours. For old walls use 1 coat Plastelite Wall Sealer (solvent-based) and dry it for 18 - 24 hours. If there is a chance of salt damp, then salt seal can be used as undercoat.
Step-2: For covering different flaws, holes, cracks, and smoothing the wall, use Multipurpose Putty White. It will take 10 - 12 hours to get the wall dried up. After that, smoothen the wall by using 180 sand paper. Use 1 coat Multipurpose Putty White to smoothen the wall completely after finding out the flaw and unequal space by using light. Give again 10-12 hours for dried up. After that, smoothen the wall by using 220 sand paper. Then apply 1 coat Aclose Sealer. After that, smoothen the wall by using 320 sand paper. And finally use the top coat.
Special Note: Thin up to 2:1 by adding 1 portion clean water with 2 portion multipurpose putty white. Per kg coverage is about 80 – 90 sft as 1 coat .Use putty knife or scrapper to apply multipurpose putty white.