The type of window and the installation method used depends on the problem that is being overcome and the construction characteristics of the house.  The following problem areas are presented and explained to help you understand the various directions your new window installations might take.    
NOISE REDUCTION Noise is like water, it seeks it's path of least resistance.  

STC:
Click to enlarge chart!

 STC, Sound Transmission Class, is the window industry measurement for a window's ability to lessen sound.  Higher = Better. [Click for more information on noise solutions.]

NOISE IS REDUCED 50% FOR APPROXIMATELY EVERY 6 POINT RISE IN THE STC RATING.

NOTE:  Factors that increase insulation do not necessarily reduce sound, and vice versa.

REDUCTION FACTORS:

 Window factors that reduce noise include:
  1. Frame Material
  2. Window Style
  3. Glass Thickness
  4. Mismatched Glass Thickness
  5. Laminated Glass
  6. Air Space Between Glass
  7. Spacer System

Condensation   Insulation   Noise Reduction   Leaking   Security   UV Light    Heat from Sun   Defective Windows

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