Mainly made from silica sand that's fused with glass and fluxing agents first is melted to 1150°c in a furnace then constrained in a gas-fired forehearth. Once the final product is derived it's packed in batt or roll form.
Glass wool is manufactured to smear on the many parts of a building. Glass wool is mainly known for its insulation in the ceiling of buildings.
A few other useful uses of glass wool would be
Cavity Batt –This is a distinctive glass wool wall insulation article designed to insulate drywalls. They are used on steel frames of buildings, along rooflines, on a structure of a timber frame, etc. It is a popular product used in insulation.
Blankets – Insulating blankets are used to wrap around an air-conditioning duct. It's super beneficial as it is non-combustible, as it lowers operational cost and saves energy, which is good in the long run.
Tiles – Glass wool tiles are used in cinemas where soundproofing is needed, it has sound-absorbing qualities. The tiles are made from glass wool that's been bound with a thermosetting resin binder. These tiles are very easy to handle as they are lightweight, non-combustible, won't sag if fitted correctly, and have an amazing thermal resistance.
Glass wool products should be chosen as they are made of 80% recycled material, they are not corrosive to metal, and will not grow mold or get infested by vermin. So, if you are looking for glass wool roof insulation, look for a good company, and also look for professional installers.