Below you can find the Window panes of glazed polycarbonate this type of material provide almost twice the insulation of treated glass Jeopardy Words Answer. The answer to Window panes of glazed polycarbonate this type of material provide almost twice the insulation of treated glass has 7 letters. This clue belongs to the Green living category and is part of Jeopardy Word Level 2098. If you scroll near the bottom you will find other clues and answers part of level 2098