Knox Street Orienteering Walkers

 

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Replace your windows with double glass to make them more sound proof and reduce heat transfer

 

TwinGlaze

 

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Videos

Introduction   Overview of retro-fitting double glass in your current frames

Installation   Installation of the double glass panel

Sound Demo   Comparison of closed vs open window (Turn your volume up)

 

 

 www.knoxsow.org.au