Edgetech is celebrating the 35th anniversary of its flagship product, Super Spacer.

Introduced in 1989, Super Spacer is said to have revolutionised the fenestration industry by offering superior thermal performance and productivity compared to traditional metal spacers.

According to Edgetech, Super Spacer’s innovative foam construction boasted 950 times lower thermal conductivity compared to the mainstream metal spacers mostly used at the time. This significantly reduced heat loss at the crucial window edge, a major factor in overall window energy efficiency.

Over the past 35 years, the market has experienced a shift with warm-edge technology now used in the majority of units, and Edgetech says that Super Spacer’s innovative design is still leading the market today.

It has been used in iconic structures worldwide, from the renovation of the Eiffel Tower to Dubai’s Museum of the Future.

Super Spacer enables faster window production with less labour, translating to significant cost savings. According to Edgetech, the latest high-speed automated Super Spacer lines can produce 23.5% more units with just three employees compared to a nine-person line using rigid box warm-edge spacers.

Super Spacer is also designed to reduce heat loss, condensation, and noise transmission, creating a more comfortable and energy-efficient living environment. It’s resilience is said to have been rigorously tested, withstanding extreme wind speeds and temperature fluctuations.

“We’re incredibly proud of Super Spacer’s 35-year legacy,” said Chris Alderson, president of European Fenestration at Quanex.

“In an era of increasing focus on sustainability and energy efficiency, Super Spacer remains a vital tool for architects, builders, and homeowners alike, and as a company we’ll never stop challenging ourselves to create the products that propel our industry forward.”