Kalwall - WL Hall is a proud representative for over 50 years!
Kalwall has been the most recognized name in daylighting, a superb tool, since 1955. With a combination of diffused daylight and high energy performance Kalwall is the highest insulating light transmitting product in the world. The W.L. Hall Co. has worked exclusively with Kalwall since 1955. With over 2,000 installations in Minnesota alone you can have confidence that we will provide exceptional design service and installation. We can provide detailed daylighting analysis as well as stamped engineering calculations to ensure that the systems and light transmission you have chosen will be ideal for your application. With material and installation warranties second to none we can install proven systems that will bring natural daylight and enhanced occupant comfort for the life of your facility.