Insulation Materials

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Composition

• Cellulose Made from recycled paper (mostly newspaper) treated with fire retardants like boric acid.

Thermal Performance (R-Value)

• Has an R-value of about R-3.2 to R-3.8 per inch.

Air Sealing.

•  Denser and better at reducing air leaks. 

Moisture Resistance

• Absorbs moisture,  making it more mold-resistant.

Environmental Impact  

• Made from 85%+ recycled material, making it the more eco-friendly choice. 

Composition

•  Fiberglass Made from tiny glass fibers, often spun into batts or blown-in loose-fill form. 

Thermal Performance (R-Value)

• About R-2.2 per inch (batts) or R-2.9 per inch (blown-in). 

Air Sealing.

•  Allows more air movement unless properly sealed. 

Moisture Resistance

•  Does not absorb water, which can lead to mold if not properly dried.

Environmental Impact  

• Contains some recycled glass but is mostly made from new materials.