HomeAdvisor’s Attic Cost Guide offers real price information on attic renovation and conversion projects, as reported by HomeAdvisor customers. Learn about the cost .Kevin, The right way to do it is to insulate the sloped roof above your attic. For more information, see Creating a Conditioned Attic..The contractor cost to install an attic floor is $ vs. doing it yourself for $ and saving percent Add your ZIP Code for the home improvement and repair cost .How to insulate attics with blown in insulation. Do it yourself insulating. DIY and save today..
Jump to Attic Insulation Costs Blown in insulation is one of the most common ways to insulate the attic, crawle, or walls of a home. The average cost is about $,, with most homeowners spending between $ and $,, but this is dependent on whether the work is done by the homeowner or by a professional..