Sealed Insulating-Glass Units. Insulating-glass units consist of two factory- assembled panes of glass with a sealed open space between them. The space is hermetically sealed, dehydrated, and filled with either air or a gas. The edges may beanbsp;...
|Title||:||Repairing and extending doors and windows|
|Author||:||H. Leslie Simmons|
|Publisher||:||Van Nostrand Reinhold Company - 1991-01-01|