I had a few little patch tests on these window panes for at least 2 months before I decided to take the plunge and go dark. The conservatory in our house is such a beautiful feature, however the white paint was very tired and needed some serious TLC, so it was a choice between a fresh coat of white, a pale grey tone or a significant leap to black where the change would be difficult to reverse. I have always loved the more industrial look of Crittall windows and as this space is very traditional,