The performance requirements of its CGSB standard are ensured. That's good news because it means that cellulose fibre insulation provides long term protection against wood decay, fungal growth, insects, mice and other vermin.
A less well known function of these borates is their ability to prevent formation of mould, mildew and wood rot. This unique characteristic of borates is becoming increasingly valuable as the trend toward tighter house construction increases the potential for moisture accumulation within the building envelope.