Kalwall® is a well-proven, high-performance, translucent fenestration system with energy-efficient performance that surpasses all other existing technologies. Either as part or all of the walls or roof of any building – or even as an entire, freestanding structure – Kalwall provides a more predictable, better quality, usable natural light with superior energy efficiency. Kalwall+ Nanogel®, the most insulating, diffuse light-transmitting technology on the globe, offers thermal insulation and light transmission rates many times those of current technologies, as well as acoustic insulation.