Cotton Armor Blanket Insulation


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Cotton Armor Blanket Insulation

How Do Insulations Compare?

The table below is a summary of information taken from the January 1, 2005 Environmental Building News, which highlights some of the key environmental impacts of selected insulation types. The table does not adequately represent Cotton Armor's true performance. Cotton Armor was introduced in 2011, and is a blanket insulation with an R-value of up to 3.9 per inch. Plus, it's easier to use than old-fashioned batts.





Type Installation Methods R-value per inch (RSI/m) Raw Materials Pollution from Manufacture Indoor Air Quality Impacts Comments
Cellulose Loose-fill, wall-spray (damp), dense pack, stabilized 3.6-4.0 (21-26) Old newspapers, telephone directories, borates, ammonium sulfate Negligible Fibers and chemicals can be irritants High recycled content and very low embodied energy
Fiberglass Batts, loose-fill, semi-rigid board 3.0-4.0 (15-28) Silica sand, limestone, boron, recycled glass, PF resin or acrylic resin Formaldehyde emissions and high energy use during manufacture Fibers can be irritants High embodied energy
Mineral Wool Loose-fill, batts, semi-rigid or rigid board 2.8-3.8 (19-26) Iron ore blast furnace slag, natural rock, PF binder Formaldehyde emissions and high energy use during manufacture Fibers can be irritants High embodied energy; rigid board can be an excellent foundation drainage and insulator
Cotton Batts 3.0-3.7 (21-26) Cotton and polyester mill scraps (especially denim) Negligible Considered safe Two producers, so transportation polution is higher than other insulation
Closed-cell spray polyurethane foams Spray-in cavity-fill or spray-on roofing 5.8-6.8 (40-47) Fossil fuels; HFC-24.5fa blowing agent; non-brominated flame retardant High energy use during manufacture; global warming potential from HFC blowing agent Quite toxic durinig installation (respirators or supplied air required). Allow several days of airing out prior to occupancy Very high embodied energy
Open-cell, low-density polyurethane foam (Soy) Spray-in cavity-fill 3.6-3.8 (25-27) Fossil fuel and soybeans, water as blowing agent, non-brominated flame retardant High energy use during manufacture Quite toxic during installation (respirators or supplied air required). Allow several days of airing out prior to occupancy Very high embodied energy

If you have questions or would like to learn more, please call: 855-6COTTON or use our contact us form.




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"For every house is built by some man; but he that built all things is God."

— Hebrews 3:4