If you’re going to insulate 2×4 walls, it is important to know what the appropriate thickness should be. The question is all the more critical when one considers that these assemblies and insulations are permanent. This is because once the walls are insulated and sealed up, it is not an easy task to change them out.
Too little – or too much – insulation leads to a colder house than is necessary. The air pockets within the insulation are what work to keep a home warm, not the fiberglass. It is essential then to get a fine balance between too little and too much insulation to keep your family warm during the winter period.
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