Durable GreenStuf will not settle or reduce it's performance over time and is backed by a 50 Year Product Durability Warranty, Fire Safe GreenStuf polyester insulation is non flammable and meets all the relevant fire standards for NZBC compliance including downlights, Safe to touch GreenStuf is 100% polyester "like a duvet" so theres no nasty itching or scratching. Its completely safe and does not require protective clothing for handling or install