Lang Exterior Blog

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The Lang Exterior, Inc.™ Guide to Window Options

Window Options CleanFree glass is specifically designed to eliminate frequent, strenuous exterior glass cleaning. CleanFree is an application added during manufacturing process that repels water and prevents the glass surface … Continue reading

April 1, 2014

The Lang Exterior, Inc.™ Guide to Energy Efficient Windows

Energy Efficient Argon is an inert gas which means it does not react with many other elements, and is about 25% more dense than air. That is why we offer … Continue reading

April 1, 2014

Insulated Glass Units by Lang Exterior, Inc.™

When multiple glass panes are assembled together they are commonly referred to as insulated glass units, or IG. These units provide good insulation to your windows. Lang Exterior’s IGs are … Continue reading

March 3, 2014

Lang Exterior Sells Insulated Glass Units

  Did you know that Lang Exterior manufactures and sells Insulated Glass Units in addition to complete windows? Our customers can order IGUs with the same glass options as our … Continue reading

November 1, 2013