Frequently Asked Questions

REPLACEMENT WINDOWS

• What is a replacement window?
• What are the advantages of custom replacement windows over pre-made, standard-size windows stocked at home centers and lumber yards?
• Do replacement windows really pay for themselves or is that just a sales line?
• Aren't beautiful vinyl windows an oxymoron?
• How are replacement windows any different from older windows in terms of cleaning?
• Will new windows eliminate condensation?

MATERIALS USED IN WINDOWS

• What are the advantages of vinyl windows over windows made with wood, metal or a combination of materials?
• Are there differences in the vinyl used by window manufacturers?
• What makes one window stronger than another and why is window strength important?
• Do woodgrain vinyls really simulate the look of wood and how well can they match different wood types?

MAINTENANCE AND CLEANING

• How do I maintain and clean my Gorell windows and doors?

ENERGY EFFICIENCY

• What makes a window or door energy efficient?
• What is an R-value and how important is it in selecting windows?
• What is a U-value?
• What is Low-E and, how important is it to have it on your windows or doors?
• What is ENERGY STAR^®—and what does it have to do with windows and doors?
• What is the NFRC and what should I know about it?
• Does argon or krypton gas between glass panes really make a difference in energy efficiency?
• How important is weatherstripping?
• What are the different types of weatherstripping, and what benefits do each have?
• Is there a way to improve the energy efficiency of existing (prime) windows that are still in good condition but have just a single pane of glass?

SECURITY, SOUND AND UV PROTECTION

• How much protection do windows provide against forced entry?
• Can windows and doors reduce outside noise?
• Can windows keep out UV radiation that fades carpeting, furniture, draperies and upholstery?