High-performance glass is the main component of a window unit, but it’s the technology between the lites that enables the window’s peak performance. Gain peace of mind knowing that the thermal efficiency is done right. Tremco’s EnerEDGE line of IG spacers save your space from heating and cooling loss and can be applied to a wide range of fenestration applications. The EnerSEAL line does just that – seals the edge, protecting the insulated glass from moisture. When used together, EnerEDGE and EnerSEAL maximize the longevity and performance of insulated glass units. Read more.