cost of insulation per bag
R-30 is the minimum recommended insulation for attics, in order to achieve more thermal efficiency. At a current price at Home Depot of about $33 per bag, the material costs will be a minimum of $495, plus 4 hours of labor.Blowing insulation into an attic is a relatively straightforward DIY attic insulation job.or most people the main question will be about the blown in insulation cost and this site will provide you with a guide to estimating those costs. Also keep in mind that you can claim a Federal Energy Efficiency Tax Credit up to $500, which can go a long way towards paying for the job.