The attic has insulation at the floor joistsIt is the kind with the plastic all around itI want to put more on top.The basement is unconditioned, with a modern natural gas furnace in itThe only heat in the basement is any heat loss from this furnace which is minor.Please give information on R-Values and Vapor BarriersWhere do you usually get your best deals on it?
If you do not want to remove the existing sheetrock, it is better to get a blown-in insulator to come to your houseIf you want new sheetrock, then I would have to favor fiberglass batt insulation over blown-in simply due to the settling you already saw first hand.
Have you looked into using sprayed foam insulation,as an alternativeIt could perhaps be done without completely tearing down wallscheck it out.
First remove the plastic form the top of the insulation in the atticI would use blown cellulose loose fill in the atticR-19 There a few ways to insulate the basement, 1.R-19 fiberglass batts between the floor joistBe sure to block the joist ends2spray foam3stretch fiberglass fabric across the bottom of the floor joist and blow loose fill cellulose into the cavity4attach 2 foam board to the basement wallsCall an insulation company, most often they can do the installation for about the same price as it would to buy the materials and install it yourself.
