Have a "Foggy" window?...Insulated glass in windows and doors has to put up with a lot of abuse. The seals have to withstand slamming and banging. They have to be flexible enough to allow the panes to contract in cold weather and expand in hot. The seals can stiffen and become brittle in the cold or soften when it's warm. They have to stand up to wind, hail, rain, damaging ultraviolet rays, old age, atmospheric pressure changes and suicidal birds. Still, with all these challenges, double-pane windows are remarkably reliable...... Call us TODAY 920-743-8834 and get a FREE quote.