This video is about painting a cemented white wall with Asian Ultra white paint mixed with black color (10-15ml in 1 liter.
Steps
Mount your projector at an appropriate distance from the wall to create a screen.
mark the margins of the projected screen with black electrical tape
Sand the wall properly
Fill all the wall defects using a wall putty

Grey paint required
1 liter of Asian exterior ultra white emulsion and 10-15 ml of black color. Apply 2-3 coats to achieve a good finish
let it dry over night
Remove the black electrical tape
Apply a new electrical tape up to 1 inch broad
There will be noticeable difference in viewing experience
Thanks


Me as an Orthopedic surgeon