Got a job this week that will take a few days, I want to make it go as fast as possible. The frames are White upvc but really chalky failing the wet finger test. They also haven't been cleaned for 8 years last time trad. What's the fastest way to get a good clean?
I'm thinking of spraying the frames up with tfr first and then doing a frame clean on a bank of windows and then when that's dried doing the glass, or do you think the tfr is a waste of time and would just add a lot of tine to the job?