Blown Insulation


Specification Details

8.5" x 11"
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Unlimited Projects
07 21 26
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Comprehensive SpecsArchitectural Specs

Use this 3-part SimpleSpecs™ master specification to specify blown insulation.  Includes mineral wool or glass fiber insulation, bulk in loose form, for pneumatic application in roof, ceiling, and wall assemblies.  Insulation tends to settle long-term so additional insulation may need to be applied to maintain the original thermal values.

What is it?

A type of insulation that is installed in a building’s roof, ceiling, or wall assemblies by being blown or pneumatically injected in a loose form through a machine. The material used for blown insulation can include mineral wool or glass fiber, both of which are designed to provide thermal insulation and improve energy efficiency in a building.

Blown insulation is a cost-effective and efficient way to add insulation to an existing building without the need for major renovations. The process involves drilling small holes into the wall, ceiling, or roof assemblies and blowing the insulation material into the cavity using a specialized machine. The insulation then settles into place, filling all gaps and crevices, providing a continuous layer of insulation.


  • Energy Efficiency: Blown insulation helps to reduce heat loss in a building, improving energy efficiency and reducing heating and cooling costs.
  • Easy Installation: Fast and easy way to add insulation to a building.  Requiring only small holes to be drilled into the wall, ceiling, or roof assemblies.
  • Improved Indoor Comfort: Blown insulation helps to regulate indoor temperature and reduce drafts, improving indoor comfort.
  • Cost-effective: Compared to traditional insulation methods, blown insulation is a cost-effective solution that can be installed quickly and with minimal disruption to the building.

Related Association:

North American Insulation Manufacturers Association (NAIMA)

Related SimpleSpecs™ master specification:

Industry Resources
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