Insulate Rafters Or Ceiling

Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Insulate rafters or ceiling.

Start with the attic floor. Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home. This type of ceiling is insulated in the same manner that you would insulate a standard attic space. If you have an attic there are quick ways to insulate the ceiling from above after drywalling it.

Garages built without attics are also prime candidates for insulation. If you don t have an attic however there is. Check the joists and wall plates for any holes or openings. Cathedral ceilings must provide space between the roof deck and home s ceiling for adequate insulation and ventilation.

Use closed cell spray foam closed cell foam board extruded polystyrene such as dow styrofoam or foil faced iso board. This ceiling type involves the installation of a ceiling that is not attached directly to the roof rafters. Do no use a vapor barrier under the. Seal the insulation or the ceiling surface below against air leakage.

Seal all ceiling openings. This can give the house a more rugged open feeling. One option as part of a home remodel is to leave the roof rafters exposed by not installing a ceiling. One drawback to this is that the layer of insulation placed above the ceiling is missing which can subject the area of the house with the exposed rafters to extreme temperature changes.

Home ceilings are usually insulated in order to seal off the extreme temperatures in your attic. Make sure it is flush against the wood as even a 1 inch gap can cause a 20 percent heating loss. How to put insulation in a ceiling before drywall. Place the insulation between the rafters or below them.

Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing. Then feed the rolled insulation under wires and pipe if either is present. For rolled insulation place it between roof rafters. You don t want moist air leaking into the roof cavity.

If you have to insulate around electrical boxes or cables then support from an electrician might be needed as part of the process too. Insulate a cathedral ceiling by ensuring there is no opportunity for drafts to get into the room. For example cathedral ceilings built with 2x12 rafters have space for standard 10 inch batts r 30 and ventilation.