how to re insulate an attic?
R-19 Roll insulationI do not recommend celouse blow en insulation, that is very messy and dustyGood luck
WellYou will need to pull the old stuff out in most cases on the ceiling side of itMake sure that you have at least a 1 air gap between the roof and the insulationThe floor you may not need to tak the old out depending on the condition of the old materialYou could remove the old from the floor and use a cellulose blown in material that is cheap and very effectiveThere is another typ that you can roll right over the exsistingThe question is vague and lacking a lot of detailsGet a Home Depot 1-2-3 book.
