Vacuum IG glass uses a vacuum between two panes of glass to prevent heat from escaping. The product is said to provide thermal insulation with an R-value of as much as 12 for an 8-mm thickness. Using tempered glass, the product is suitable for use in commercial installations. VIG performance is enhanced by pairing the glass with SunGuard coated glass to create a hybrid, low-e VIG product that delivers light transmission, reflectivity, and color. Noise reduction also is reported to exceed that of a typical insulating glass unit.