Does the spacer really matter? Absolutely.
Before we explain what Super Spacer® is, let’s take a big step back – what is a spacer? A spacer is the component, or piece, used in window manufacturing that separates and seals the two panes of glass in an insulating glass (IG) system. Its intent is to insulate your windows to help maintain an ideal temperature during the seasons you heat or cool your house.

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