A glass mineral wool board, covered on one side with reinforced glass veil. It is intended for use in the ventilation and air-conditioning industry as internal thermal and acoustic insulation of a duct in ventilation systems, a silencer in acoustic systems, air-conditioning units, an aggregate in ventilation systems, damping chambers and rooms in which noise levels should be reduced. The panels have a Hygienic Certificate authorizing the use as internal insulation of the duct and air conditioning and ventilation devices in laboratories as well as in the pharmaceutical and food industry. The product is available only on a pallet.