Attic Insulation Backing

The vapor retarder on top of or between layers of insulation can trap moisture.

Attic insulation backing.

What is the right insulation for an attic. Some of the insulation in the attic is the stuff that blows on and doesn t have a paper side. He said since it was low i could roll out r 30 on it which i did. Johns manville r 13 40 sq ft single faced fiberglass roll insulation with sound barrier 15 in w x 32 ft l item 31116.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. 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. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. Roll out the insulation and fit it between attic floor joists which are also the ceiling joists for the room below.

Is this going to cause condensation in the winter and rot the insulation under the paper water vapor and therefore the wood. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. As you add the insulation keep the paper backing facing down toward the. The main factors that impact the cost are.

It needs to be unfaced if you choose to add loose fill it may be wise to hire a professional as the application requires the. Can you double up paper back insulation to fill deeper space by using 2 by 6 board studes as framing. Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration. You can buy them unfaced or simply remove the paper or foil backing.

I put the paper side facing toward the inside of the house. Can i put the peper face against the outside wall and the second piece put fiberglass sides together so the paper face of the inside paper is against the sheet rock. According to home advisor insulating your attic can cost between 1700 to 2100. Compare click to add item johns manville r 23 mineral wool insulation batt 15 25 x 47 24 9 sq ft to the compare list.

For pricing and availability. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but.