Q:I have an attic that has an open screened window at each end, but there is no forced ventilation. There is some old thin batts of some type insulation lying between the studs of the attic floor. The ...

Dear Eartha, I know insulation is something you need in your house to keep you warm. But if I’m being honest, I don’t even know what it looks like. What exactly is this stuff and why is it so ...