They lose their seal and the argon gas (added between the two panes to minimize heat transfer) leaks out as the vinyl frames or finger-jointed wood deteriorates. The salesmen keep pitching the ...

The wooden sashes are in beautiful shape ... The best product I've found is a newish one called the Indow Window insert ($250). It's an acrylic sheet, laser-measured to fit each window, ribbed ...

She's talking about wood-framed, plastic window inserts. "We have to wrap them and heat shrink them and put foam around them." UMaine students and community volunteers are building 40 inserts per ...

Learn more. BIDDEFORD — Several families in Biddeford will find their homes to be a little warmer this winter season, with new window inserts designed to provide insulation from the cold.