Make sure you employ competent, qualified tradesmen. Unfortunately the double glazing industry has received some bad press, with "cowboy" builders and installers causing damage to property and using some very unsafe practices. But the industry is working hard to make these stories ones of the past. To avoid these pitfalls, ensure you employ installers who are part of an easily recognised national registration body. We at Fenestra Glazing ensure our installers regularly update their training and qualifications. We don't rely on our installers' qualifications from era's gone by. We make sure our installation teams are fully competent, with an emphasis on continued professional development and qualifications updated at least every five years. We ensure our industry knowledge is up-to-date, and attend regional and national events ensuring our technical knowledge. We are FENSA registered, and go far above and beyond the minimum standards needed for registration. T...