Glass wool insulation, often known as fibreglass, is constructed from glass fibres. Glass is heated to quite superior temperatures right until it melts, and is particularly then spun promptly to produce fibres. These fibres are then sure together to be used as insulation. Pure sand and recycled glass are mixed https://glass-wool-material04715.blogproducer.com/41496458/top-latest-five-glass-wool-board-urban-news