The typical cost of attic insulation is between $1,500 and $3,500, with a national average of $2,500. Cost factors for attic insulation installation include attic size, insulation type, insulation ...

Dear Ken: I'm adding a second layer of insulation in my attic. I already have a blanket up there, but I want to add another six-inch batt. Which way do I put the paper backing to avoid moisture ...