Glass in the form of fine fibres used for packing and insulation.
More example sentences
- According to workers at the National Hospital, they became ill after contractors removed a layer of solar heat insulation made of glass wool from the factory roof on November 26.
- Lay down glass wool insulation about 4 inches thick in your loft, lag the hot water tank, draught-proof windows and doors.
- The ‘Santa House’, was, of course, covered with glass wool and not snow.
Definition of glass wool in:
- The US English dictionary