BFRC Score The BFRC are one of the most trustworthy window and doorway Strength effectiveness assessors in the UK. A++ Electricity ranking A+ Vitality rating A Electrical power rating B Electrical power score BFRC Rating The BFRC are probably the most reliable window and doorway Electrical power functionality assessors in https://www.apptape.co.uk/blog/dec-advantages-of-window-tinting-films/