The key to a sturdy sunroom is a solid structure. C-Thru's Structural Utility Mullion™ places a beefy aluminum structural member from the floor to the ceiling in between each window or wall section! The added benefit of this system is that it creates an innovative channel for placing light switches, fixtures, and outlets almost anywhere in your room.

• Standard on all wall systems
  • Omega Room
  • Alpha Room
• Easily supports any type of C-Thru roof system
  • WeatherGuard
  • Beam Roof
• UL listed electrical system means it's tested safe for your family
• Exclusive vinyl thermal barrier snap cover system on the Omega™ System keeps out the extreme heat or cold