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Window Master NH - Window Replacements - Restoration of Wood Windows
   
  Specifications
 

Glass Specifications

All Cardinal 270 soft coat Low-E double-pane insulated units @ 7/16" DSB with a warm edge seal.

R Value w/o Argon 2.6 R Value w/ Argon 3.0
U Value w/o Argon .38 U Value w/ Argon .33
SHGC .42 Visible Transmittance 72%

Glass is one piece double-pane unit. Selected interior metal spacer bars (either bright aluminum or bronze aluminum in color) between the two pieces of glass to match selected interior and exterior muntin configuration may be required on large windows to prevent center of glass from touching during extreme weather changes and creating "Newton's Rings". IGU must be a minimum of 1/2" to accommodate interior metal grids.

Tempered (safety) glass and laminated glass according to state code and as specified in bid.

 

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