The Disadvantages Associated Due To Secondary Glazing And Condensation

Today, men are able to build just about anything

. There are many modern majestic structures throughout the world. Once a structure has been finished, it is on the the next project. Our cities continue to grow larger, and the building grow older. Many older buildings have been given historic status. They are provided with a sprucing up that holds true to their architectural standards, requiring them to maintain the good old wooden windows or they can be replaced with brand new ones. Many builders add secondary glazing as an attempt to increase the effectiveness of the windows, but there is the potential for problems with secondary glazing and condensation.

For those who are unfamiliar with the term secondary glazing and do not know what it is, secondary glazing is an additional glazing panel added to the inside of an existing single glazed window. Typically a single glazed piece of glass, but sometimes a plastic film or shrink wrap, it is often surround by a metal frame which incorporates some sort of membrane or gasket to create a sealed interior air space between the new glazing and the old.

While some people are unfamiliar with secondary glazing, almost everyone understands condensation and how it generally occurs. For windows, since they are glass, it typically means that the exterior and interior temperatures are differing enough to cool the moisture that is in the air by the glass causing it to condensate onto the surface of the glass.

Humidity and moisture are two of the most important things to avoid when it comes to wood windows. Both result in the wood becoming warped and rotten, and can cause mold to grow as well. Many times, these issues are not identified until is is much too late, and then the window has to be entirely replaced.

Secondary glazing is not to be confused with double glazing, which is usually vacuum sealed in a factory environment that is moisture controlled. Secondary glazing traps regular, moist air, between the glazing and the single glazed window. Windows that are drafty will allow moisture from the outside to come in, and in the right conditions, the moisture creates condensation between the glass and settles at the bottom of the window. This greatly increases the odds that the window will rot.

Another culprit of condensation is the metal frame on the glazing panel. As is true with glass, metal also transfers the air temperature and can have moisture build-up on it as well. While the moisture on glass is easy to see, when it is on metal, it is much more difficult.

Wooden windows that are failing because of moisture should be immediately replaced. It is important to consider all options when deciding how to weatherize windows, as replacement is costly and laborious. There are positives and negatives associated with all options, but secondary glazing and condensation is an important problem to remember.

by: Archie Campbell.

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