Installing Unfaced Attic Insulation

You can buy them unfaced or simply remove the paper or foil backing.

Installing unfaced attic insulation.

I ve always said adding insulation to your attic is some of the best money you can spend to make your house more energy efficient but whether to use faced or unfaced insulation is a great question. Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Before installing determine the insulation material best suited for your home. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but.

Unfinished or uninsulated attics need a layer of protection against air migration. Use a staple gun and. Find out how to install unfaced insulation correctly over blown in insulation. Unfold the mounting tab along each vertical edge of the batt.

Always use unfaced batts both when laying product for the first time and to prevent moisture from becoming trapped between new and old layers of insulation. Check pipes and vents. Once you have successfully cut it down to size gently fit it into the cavity without using force. Choose your insulation type.

In crawl spaces unfaced insulation is generally only used when adding to existing insulation. Installing insulation has almost the same steps for all. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. Creating a moisture barrier.

Place the insulation with the facing side down on a piece of scrap plywood. Place unfaced insulation on top of existing material such as loose fill. If you re using unfaced insulation in an area where a vapor barrier is required or recommended you may be able to add your own barrier using plastic sheeting. Fold out the paper flange along one side of the insulation.

The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Lay unfaced fiberglass roll or batt insulation between or across ceiling joists in attics with some existing insulation. Calculate how much you need. What is the right insulation for an attic.

Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room. As a result of evaporation people breathing and plant respiration air carries some. Unfaced insulation is just insulation without an attached moisture barrier. Set a t square or metal straightedge over the insulation and press it down firmly.

It s important not to lay faced insulation on top of faced insulation.