The attic floor which is the ceiling of the living space below often already is insulated.
Insulating sloped ceiling finished attic.
A how to on installing certainteed s fiberglass insulation batts into attic and cathedral ceiling applications.
Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.
Don t mash or compress the insulation into the space.
For diy attic insulation you ve got two choices.
Loose fill or batt the common term for blanket insulation.
Finished is important to remember when you re measuring an empty attic space.
Most codes require a specified minimum amount of headroom and it s tough to meet this requirement when insulating a finished attic especially since most.
Both can be added to uninsulated attics or layered over existing material.
It is finished with drywall and there are no leaks thankfully.
Staple insulation between the wall studs and ceiling joists image a.
If so you can create a dropped ceiling with insulation between the new ceiling joists.
The basic space requirements for a finished attic boil down to the sizes of the finished rooms.
Flooring ceiling and wall materials and other elements will reduce headroom and floor space and it s the finished area that matters.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
Use r 30 insulation for the ceiling and r 13 for the walls.
Check the joists and wall plates for any holes or openings.
Seal all ceiling openings.
How to insulate a finished attic.
It needs a certain amount of loft to work properly.
If building a knee wall for storage like karl did with this project make sure to insulate that area as well.
Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Bib jan 21 15 at 16 32 it is a flat ceiling with a sloped roof over it.
If it is and you plan to provide heating and cooling to the finished attic space you need to remove.