11.   Adding insulation to an attic floor or above an unheated basement or crawlspace is one of the most cost-effective energy projects.

12.   But installing insulation in the attic floor is as good.

13.   Can I insulate the attic floor with that wiring in place?

14.   Cellulose is the ground-up type, good for blowing in walls and attic floors.

15.   Cellulose is also a good choice, but mostly for blowing in the walls or blowing into the attic floor.

16.   Can I put it on top of the blown-in insulation in the attic floor, which comes up to the top of the joists?

17.   Easiest place to install or add insulation is the attic floor.

18.   Finally, you could rearrange the ducts on the attic floor so they sag in the middle.

19.   First, insulate the attic floor.

20.   I have snow on the roof, which is right and proper in the winter, meaning the attic floor is well insulated and the attic is well ventilated.