Universal Glass Traders supplies Double Glazing Insulating Glass. Universal Glass Traders offers various types of coated glass, insulating glass components, window hardware, friction stay hinges, handles, multi locking systems, spider fittings & accessories, patch fittings, floor spirals etc. Double Glazing Insulating Glass reduced noise transmission for a more peaceful environment. Double Glazing Insulating Glass is able to reduce condensation on windows, enabling a better view and reduce damage to woodwork, decorations and curtains.