The Case for Blown-in Insulation


For improved energy efficiency, beefing up the insulation in your home is always a great idea as colder weather begins to settle in. Many older homes have traditional fiberglass batt insulation, which can be improved with another layer—especially in the attic. But blown-in insulation also has a lot going for it, including:

  • It can be applied snugly around electrical outlets, piping, wiring, and ductwork, and can reduce air leaks that occur with traditional batt insulation.
  • It can help prevent ice dams. Even the most carefully installed batt installation can result in gaps along the edges where walls, attic, and roof framing meet. This lets heat from your home escape to the roof where snow alternately melts and freezes, causing potentially damaging ice dams.
  • Blow-in insulation reaches those nooks and crannies, preventing heat from escaping. It improves the quietness of your home. Cellulose blown-in insulation provides good soundproofing between rooms and from noisy pipes, showers, and bathtubs. Someone wanting to take an early-morning shower can do so without waking everyone up when the water runs.

Blown-in insulation is safe and healthy, too. Cellulose insulation is treated with non-toxic boric compounds that protect it from mold while providing resistance to fire and insects.

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