There is a multichamber frame design now in vinyl windows that greatly increase the frame's insulation value, rigidity and strength. Smith added that vinyl windows never need scraping, caulking or painting, saving time and money for you at installation. And they are available in many sizes and styles, so they provide flexibility for a customer to design and remodel their home with interesting window and wall configurations. What I like about them is that most styles swing out or tilt in for easy cleaning from inside your home. An occasional cleaning with warm soapy water will keep them looking their best for many years.
Composite windows are combinations of several materials.
Some may have an aluminum core, surrounded by vinyl, while others may be completely new materials developed exclusively for the window industry. Composites don't have a major market share, but they are one of the newest trends in the industry. If you are window shopping, you should definitely check them out. Aluminum windows, once very popular as residential window replacements, are now used more in industrial and commercial applications. Smith said that the major problem with aluminum frames is that they have great conductivity.