Proformance Manufacturing, Inc. is located in Lone Rock, Wisconsin. Founded by two top glass experts, Proformance brings together over 47 years of experience in window and glass manufacturing and sales.
The Lone Rock manufacturing plant is strategically located just minutes from Cardinal Glass in Spring Green, Wisconsin.
All insulating glass used in Proformance windows and patio doors is supplied by Cardinal Industries and features:
• LoE2 - 172
• Stainless Steel Spacer
Also available:
• Internal Grills
• V-Groove Glass
• LoE2 Plus
• Preserve
