Fluffy Savings: Exploring Blown in Attic Insulation

 


Inflating energy costs is inspiring many homeowners to find ways to maximize energy efficiency in their homes. One of the most effective methods is adding blown in insulation to attic spaces. Blown in insulation refers to loose fill materials installed by professional equipment that sprays and distributes the tiny fibers or particles into the attic cavity. Read on to learn all about the benefits of blown in attic insulation and how it can help reduce your energy bills.





Why Go Blown In for Attics?


Loose fill blown in insulation has become one of the most popular and cost-effective types of attic insulation. Reasons include:


Air Sealing Abilities

The loose fibers work their way into all cracks and crevices in the attic, creating a consistent barrier. This minimizes gaps that allow conditioned air to escape.


Maneuverability

Blown in insulation easily fits around ductwork, wiring, framing, and other obstructions in the attic space for seamless coverage.


No Supports Needed

Since it’s loose fill, blown in insulation does not require installation of any batts, rolls or panels. It shapes itself to the contours of the attic.


Quick, Clean Installation

Blown in insulation can typically be installed with minimal disruption to the home. The process creates minimal mess or debris as well.


Higher Coverage for R-Value

You can achieve thicker insulation and higher R-values by blowing in loose fill versus using batt or rolled insulation.


Cost-Effective Labor

The blowing application is faster to install and requires less labor compared to fitting rolls or batts. This reduces overall installation costs.


These advantages make blown in a top choice for attic insulation projects.



Main Types of Loose Fill Insulation

There are two main types of blown in insulation material used in attics:

Cellulose Insulation

  • Made from 80% recycled materials like old newspaper
  • Very effective at reducing air leakage when installed properly
  • Higher R-value per inch than fiberglass - R-3.7 per inch
  • Minimal potential for skin or respiratory irritation during application
  • Cost competitive with fiberglass insulation
  • Settles over time so occasional touch-ups may be needed

Fiberglass Insulation

  • Manufactured from sand and recycled glass
  • Treated with chemicals to resist fire and insects
  • Lower R-value than cellulose – R-2.8 to R-3.7 per inch
  • Good sound absorbing qualities
  • Lower material cost than cellulose
  • Can cause skin, eye and respiratory irritation during application

Both fiberglass and cellulose work well, so compare options from local insulators.

Determining How Much Blown in Insulation You Need

The amount of blown in insulation needed depends on several factors:

  • Your local climate zone – colder regions need more insulation for seasonal heat retention
  • Current R-value of any existing attic insulation
  • Total square footage of attic space to be covered
  • Accessibility concerns like low clearance areas
  • Condition of existing insulation if topping off – compacted and wet areas depreciate insulating value

Consult with professional insulation installers to calculate recommended R-value and bags/bales needed for your attic’s specifics. Leave room for settling.

Professional Installation Process

Experienced insulation professionals follow best practices when installing blown in attic insulation:

Site Evaluation

Inspect attic for any repairs needed. Install protective barriers over attic access and HVAC equipment.

Air Sealing

Caulk, foam and weatherstrip all penetrations, cracks and openings throughout the attic to prevent air leakage after adding insulation.

Blowing in Insulation

Crews will systematically spray in insulation using special blowing machines and long hoses/nozzles to evenly distribute it.

Installation Quality Checks

Depth sticks are poked periodically to check insulation thickness as work proceeds. More is added in any insufficient areas.

Clean Up

Remaining debris and excess material is cleaned up thoroughly.

Certification

An insulation certificate is installed documenting R-value, depth and total bags used.

Following this professional process ensures your attic insulation project is completed properly.

Benefits of Proper Attic Insulation

Once your attic is properly insulated with blown-in insulation, you will begin experiencing excellent benefits:

  • Improved temperature consistency throughout the year saves on heating and cooling costs
  • Reduced outside noise and dust entering living areas
  • Prevention of ice dams, condensation and moisture issues like mold/mildew
  • Fire safety protection from heat and ember exposure
  • Extended lifespan for roof materials and HVAC systems
  • Increased home value with updated attic insulation

Don’t leave energy savings on the table. Contact qualified local insulation professionals for a free estimate on maximizing your attic insulation R-value. Enjoy a warmer home this winter and cooler home next summer!

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