What is the best method of preparing large concrete balcony ceilings for a very fine texture or painted finish?
Due to the fact that I have seen many painting contractors lose $1000’s of dollars on high rise jobs trying to perform this difficult task I have compiled the following detailed instructions. For a very fine texture or painted ceiling finish it is vitally important that the surface of a concrete ceiling is as made flat as a sheet of drywall [otherwise surface imperfections will show up in changing light conditions]. Due to the fact this task using conventional methods is very labour intensive and very hard to achieve, it is recommended that you use a render material that contains sand [soft patch compounds are generally unsuitable] and involves the following steps : Step 1, grind the entire concrete ceiling to a very high standard with a GrandMaster ceiling grinder: Step 2, paint or spray the surface of the ceiling with a bonding agent: Step 3, set the formwork joints with Dulux Acra patch 500 and a flatbox : Step 4, flatbox set the ceiling with a fine paint render and smooth with a wi