University of Colorado Energy Conservation Study: Cellulose vs. Fiberglass 6
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University of Colorado Energy Conservation Study: Cellulose vs. Fiberglass

Different amounts and types of insulation compare differently when it comes to insulating homes. The University of Colorado studied the efficiency of cellulose and fiberglass insulation between two test buildings and reported on the results.

La Crosse, Wisconsin – Apr 1, 2020 – The University of Colorado ran tests between two identical buildings that only differed in their insulation and gathered valuable insight on energy conservation and efficiency.

In one building, referred to as building “A”, the University insulated the walls with five and a half inches of spray-in cellulose and the ceilings with R30 of loose-fill cellulose. In the other building, coined building “B”, the walls received R19 of unfaced fiberglass insulation and the ceilings were insulated with R30 of kraft faced fiberglass batts.

The study results show cellulose coming out on top in many ways. The cellulose insulated building showed less heat loss, to the tune of 7 degrees Fahrenheit warmer than the fiberglass building. It also made the building 36-38% tighter than the fiberglass insulated building. Lastly, in just three weeks, the cellulose insulated building had used 26% less heat energy overall.

This information may be nothing new to veterans like First American Roofing and Siding, Inc., located in La Crosse, who know how beneficial insulating your home with cellulose truly is. In fact, fiberglass is often called “filterglass” in the insulation industry because it does more filtering of heat and air conditioning than it does stopping it, like cellulose. Loose cellulose also compacts over time, providing better R-value than loose fiberglass which once installed, stays loose and does not fill those gaps.

When it comes to testing a home’s energy conservation and home performance, First American Roofing, and other top-tier renovation specialists don’t need two months to determine what insulation will work best. The professionals can perform blower door tests, infrared scans, or combustion safety tests within a day to give a full home evaluation, and a game plan for how to improve the home’s performance and indoor air quality.

The options of insulation can be overwhelming, but tests like these help to guide homeowners towards a decision when the time comes to re-insulate their homes. Moving forward, insulation is going to be a major part of the sustainability and indoor air quality movement. It helps to alleviate energy and heat loss, which over time can save homeowners money and build longevity in their homes.

Homeowners looking to build a more sustainable home should reach out to the professionals as a resource and a helping hand along every step of the way, from conducting home performance testing to installing the insulation. Working together means conserving energy and building long-term sustainability. 

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Founded in 2005, First American Roofing and Siding, an insulation, siding, and roofing contractor.  They state that honesty is everything, and they communicate with their clients each step of the way, from beginning estimates through the job clean up.

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Company Name: First American Roofing & Siding
Contact Person: Dallas Werner
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