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Can glass wool be used in exterior wall for thermal insulation?



It is ok in that it is the same as rock wool in construction work!
It is good in fireproof effect but is poor in thermal insulation, so it is not recommended to use. It is recommended to use EPS exterior insulation with high quanlity and reasonable price.
The tensile property of external wall thermal insulation materials is entirely determined by unit weight of thermal insulation materials and the mixture of binder with rock wool.
Glass wool is categorized into glass fiber, which is a manmade inorganic fiber. Glass wool is a material which fibering melting glass to form cottony shape. Its chemical composition belongs to the classification of glass, being an inorganic fiber. So, it is good shaped with small volume density, low thermal conductivity, good thermal insulation and sound absorption properties, great corrosion resistance as well as stable chemical performance. Glass fiber cotton, if used in buildings, its surface always is attached to veneer with somewhat certain acoustic transmission effect, such as of plastic film, metal screen, window screen, fireproof cloth, glass cloth and other materials with less than 0.5mm, basically able to keep the original sound absorption property.

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