Borate cellulose insulation is a loose, blown-in insulation product that has the ability to seal cracks and effectively fill tight spaces within a home or building. This makes the installation process that much simpler, along with reducing air infiltration in any application or construction type.

What does borate in insulation do?

Because borates absorb infrared radiation, their incorporation into building products such as glass wool, and other insulation products help prevent heat loss through infrared transmission.

Is Borax in cellulose insulation?

“Cellulose insulation is made from recycled newspaper. It contains borax, boric acid and aluminum sulfate. Because cellulose is an organic material, it decomposes as it ages.