Insulation and soundproofing
How much insulation is too much in attics and walls?
...insulation is too much in an attic?
What does ‘diminishing returns’ for insulation mean?
It's as simple as this - adding one inch of insulation to a wall that has only one inch of insulation is certainly well worth the investment, in any climate. Adding one inch of insulation to a wall that has 5 inches of insulation...