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Insulation Types: 9 Major Categories
You can categorize insulation into 9 Major areas. Although there are some overlapping between these categories, we find it is much easier to grasp the benefits and functions for the various types of insulation by breaking the options down into categories. Click here to view information on these categories.
We all want to achieve energy efficiency at a reasonable cost but each persons situation is unique. You may be looking to insulate an existing structure or you might have the liberty of planning insulation requirements for a new structure. Either way you can find the information you're looking for in this section. You will also find a section outlining the areas of your home that will need to be insulated.
R-Value Comparison Chart
An R-value indicates an insulation's resistance to heat flow. The higher the R-value, the greater the insulating effectiveness.
The R-value depends on the type of insulation and includes its material, thickness, and density. When calculating the R-value of a multilayered installation, add the R-values of the individual layers. Installing more insulation in your home increases the R-value and the resistance to heat flow.
The effectiveness of an insulation's resistance to heat flow also depends on how and where the insulation is installed. For example, insulation that is compressed will not provide its full rated R-value. The overall R-value of a wall or ceiling will be somewhat different from the R-value of the insulation itself because some heat flows around the insulation through the studs and joists. Therefore, it's important to properly install your insulation to achieve the maximum R-value.
The amount of insulation or R-value you'll need depends on your climate, type of heating and cooling system, and the section of the house you plan to insulate. For more information, see our information on adding insulation to an existing house or insulating a new house.
Click here to view a chart containing the R-Values for common insulation materials.