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Bulldog Services

Blown Fiberglass Insulation

Blown-in insulation or loose fill insulation is usually made of fiberglass or cellulose (recycled paper fiber). It is blown or sprayed into place with pneumatic equipment and is ideal for use in hard-to-reach areas, such as attics. It can also be used to fill wall cavities and can be installed over existing insulation.

Fiberglass is blown into attics, nonconforming spaces and hard-to-reach areas, like corners, edges and around framing. When it’s applied to the recommended thickness and specifications, you can be assured that your home is energy efficient, with minimal heat loss. And unlike cellulose, it won’t settle, decay or provide food for animals or microbes. It’s effective for the life of your home.


  1. Attics–can be installed up to R-70 over 1⁄2"(13mm) ceiling dry wall without exceeding ceiling weight limits. 
  2. Nonconforming spaces–insulation sprays out of the hose several feet, filling in large areas and small gaps quickly and completely.