Glass wool, generally known as fiberglass insulation, is produced from recycled glass and sand melted at substantial temperatures and spun into great fibers. Shyamalan has been asked many occasions if there will be considered a sequel to Glass. In January 2019, he officially confirmed that no sequels are presently planned, https://air-conditioning-insulati82693.canariblogs.com/5-easy-facts-about-glass-wool-described-51465396