Reduce Energy Costs With Double-Glazing
by Martin Troughton Energy usage is often determined by how much heat is transferred to and from a building envelope via inadequate insulation and air leaks around doors and windows. Adding insulation to the attic and walls is good, but double-glazed window and door glass contributes greatly to the reduction in heat transfer. An insulated glass unit is fabricated from two pieces of glass, an aluminium or vinyl separator filled with a desiccant and a sealant that holds it all together. This d
