Blown fiberglass has an R value of 2.2 to 2.7 per inch. Fiberglass blocks and rolls are ideal for placing between frames during construction on floors, walls, attics and ceilings. They are denser than blown insulators and offer an R value of up to 4 or 3 per inch. Insulation levels are specified by the R value.
The R value is a measure of the insulation's ability to withstand heat flow. The higher the R value, the better the thermal performance of the insulation. The recommended level for most attics is to insulate them to R-38 or approximately 10 to 14 inches, depending on the type of insulation. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
By adding additional insulation, you don't have to use the same type of insulation that currently exists in your attic. To find the R value of existing attic insulation, multiply the number of inches of insulation by the R value of the particular type. Once you've removed all the insulation from the attic, contact your local waste management authority for recommendations and instructions on how to properly dispose of your specific type of insulation. Like fiberglass insulation, homeowners should start checking whether cellulose attic insulation is noticeably damaged about 15 years after installing it.
It doesn't require any special skills, but it will require you to crouch under the low, sloping beams of the attic to distribute the insulation evenly. Now that you've sealed the attic and basement, check the attic's insulation levels and add more if necessary. To install blow insulation on existing walls, holes are drilled in the upper part of each pillar (usually outside) and the material is introduced through a long, flexible hose. To determine the R value of your attic insulation, you need to know the R value of the type of insulation in your home and the thickness of the insulation.
In addition to creating an insulating blanket, blown insulation helps reduce sound transfer between outside and inside, so unwanted street noise is also softened. Labor costs are, in essence, inevitable when installing blow insulation on walls, but DIYers can ignore that hourly rate, as they insulate their attics themselves. As is the case when installing, it is also recommended to work with a partner to remove the recessed insulation. Blow insulation consists of small pieces of material (for example, confetti) that are literally inserted into walls and the attics through a long hose.
