How Insulate An Attic Ceiling

Seal all ceiling openings.

How insulate an attic ceiling.

Lay the batts across the ceiling joists covering the existing insulation. Loose fill or batt the common term for blanket insulation. If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts. How to insulate a finished attic.

Typical ceiling insulation involves spreading either loose fill or batt the term commonly used for blanket insulation within the attic or airspace of a home. Ensure ends of insulation are butted together and flush to underside of framing. Both can be added to uninsulated attics or layered over existing material. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.

Friction fit insulation between and parallel to the attic framing members. That means insulating the attic floor only not the walls and having vents in the roof. To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes. If you have an attic there are quick ways to insulate the ceiling from above after drywalling it.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Check the joists and wall plates for any holes or openings. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing.

Ensure conditioned attic insulation strategy is compliant with local. If you don t have an attic however there is. For diy attic insulation you ve got two choices. Ensure insulation extends to the outside edge of the exterior top plates and to the peak of the cathedral ceiling.

With a finished attic insulation must help keep the attic areas comfortable. 1a attic access door. In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic. In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below.

Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room.