Blow-in insulation is the process of blowing insulation material into attics, walls or around crevices. When installing in attics, fiberglass, cellulose, and dense insulation may be used. It has a texture like down feathers and is able to fit into tight spaces like walls or between wires or ducts.
In homes, blow-in is constructed from various substances, including recycled cardboard, recycled newspaper glass, and other ordinary trash. technicians use special equipment to blow out the material.
Like Foam and Batt insulation, Blow-in may be used for both residential properties. They can be applied to:
Walls that are enclosed from the outside or opening new wall cavities
Existing constructed areas which include attic space and tile floors
Hard to reach areas
R-value is determined by a grading system used to check the Insulation’s effectiveness. The higher the R-Value, the more insulated the material is. Depending on the location of the blow-in insulation, it could require a different layer of material.
Below are the two R values for Blow-in Fiberglass and Cellulose:
fiberglass: R-value of 2.2 to 2.7 per inch.
Cellulose: R-value of 3.1 – 3.8 per inch
Stone Wool: R-value of 2.2-3.3 per inch
R values can be affected by climate, type of material and section of building. floors, Walls, and attics will all use different values.
