Hello Kathleen Don't forget about the Foil to keep your house really cool in the summer!! The Reflectix foil at Home Depot will keep your house 10 degrees cooler in the summer!! No kidding my attic was 115 degrees the other day in the late afternoon and my neighbors was 125 Degrees!! See pics below 1. Add Pink proper vents in attic ceiling from soffit vents to ridge vents 2. Staple foil over the pink vents 3. Add 2x2s added to the 2x4s in the attic floor 4. Roll down the foil 5. Roll down faced Pink Fiberglass R19 6" thick to fit in newly created 2x6s 6. Crisscross with unfaced fiberglass R30 9" thick Total R53 Foil in Ceiling Reflects heat back in winter to keep house warmer Foil in Roof Reflects heat out in summer to keep house cooler Really works!!