Just one more question.The floor area to paint with the background colour is 3.25m x 3.25m how much paint do I need?

These colours are perfect: will likely use Thunder Storm and Forest Shadow. Thanks very much for your help

I was thinking of using White Knight paint: the words "Tintable Base" on the tin would suggest that it can be tinted. Is this not the case? If so you ...

I have a gloomy undercover utility area beside my house used for storing bikes, cleaning materials and for over-wintering out door furniture. This are ...