Infection is common. Mortality has been reported mainly in juveniles and in association with other diseases. Deaths may be related to asphyxiation, excessive bleeding, or brain damage when leeches move into air spaces in the skull. May also predispose to bacterial infection, predation, impede feeding etc. (J1.22.w1, J3.62.w1, J7.28.w1 J7.30.w2, J7.33.w1, B10.26.w1, B15, B36.34.w34, B37.x.w1).
1 For instance, Fixr.com gives an overview of attic insulation costs, which can amount between $400 and $1,800 for the average home. 2  In general, the whole attic insulation will cost between $1.50 and $3.50 per square foot.
How to Add More Insulation to Your Attic. Adding insulation is one of the easiest things we can do to lower energy costs, often by as much as 20 percent a year. Now, for most of us, that adds up to more than 250 dollars. Many attics have only four to six inches of insulation.