How To Insulate Finished Attic Ceiling

If so you can create a dropped ceiling with insulation between the new ceiling joists.

How to insulate finished attic ceiling.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. Plan to pull up the flooring and layer new insulation on top of the old. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Instead of the ceiling following the slope of the roof all the way to the peak a flat ceiling can be easily installed by attaching joists horizontally across pairs of rafters.

Use r 30 insulation for the ceiling and r 13 for the walls. If building a knee wall for storage like karl did with this project make sure to insulate that area as well. Install air chutes before installing insulation. To effectively ventilate your roof create a 1 in.

Staple insulation between the wall studs and ceiling joists image a. If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space. Similarly a flat ceiling takes out the cathedral style slope of attic ceilings with joists that run parallel to the attic floor and are attached to roof rafters. In these designs take out attic.

Insulate your finished attic properly choose your insulation. Don t mash or compress the insulation into the space. Insulating a finished attic there are two basic ways to insulate a finished attic. Both of the above creates some spaces where a good amount of insulation can be installed and areas are created for ventilating under the roof.

It is finished with drywall and there are no leaks thankfully. It needs a certain amount of loft to work properly. Bib jan 21 15 at 16 32 it is a flat ceiling with a sloped roof over it. So it s time to pay close attention to what s happening up there.