1.   And, you can fill those weight pockets with blown-in insulation.

2.   A third man suggested drilling two holes in the weight pocket and blowing in insulation.

3.   I also insulated the weight pockets.

4.   I still want to fill those weight pockets, which lose a lot of heat in winter.

5.   Is there a way to hang the window another way without the weights, and then can I fill the weight pockets with insulation?

6.   One disadvantage is that you cannot fill the weight pockets with insulation because that would render the weights inoperable.

7.   Q. I rehung the weights in some of my windows, using the same weight that had dropped into the weight pocket when the rope broke.

8.   While I like those weight-balanced windows, I am concerned about the weight pockets, and what I assume is pretty good heat loss through them.