Lang Exterior Blog

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Platinum 2400 Series Double Hung Window

Lang Exterior, Inc™ Platinum Double Hung – Cherry Oak Interior and Beige Exterior with Brass Diamond Corner Grids. For more information on our Platinum Double Hung windows visit our website.

April 9, 2014

R5 Super Series

We make Being Eco-Friendly Easy The largest source of heat loss in a consumer’s home could be greatly improved upon when purchasing an R5 window. It may be possible to … Continue reading

March 15, 2012