The steel window and door industry has long been resistant to adding thermal insulation to their products. We need a little history here to help explain the reasons behind the reluctance. Steel was the metal window profile material of choice until the 1960s, when aluminum came onto the scene. Aluminum extrusions were a lot less expensive
Hope’s and Crittall have been around since the earliest parts of last century. They are household names that have dominated the market for years. They make excellent products, but are they the only option? Are they the best option, for that matter? Not necessarily.