Looking for superior aluminum extrusions for manufacturing windows and doors? Explore our comprehensive package of mulls designed to surpass your expectations. Our versatile mulls are compatible with any Approved Fenestration Product and offer impact approval for areas outside the High Velocity Hurricane Zone (HVHZ), with HVHZ approval in the pipeline. Whether you need vertical, horizontal, or a blend of both orientations, our tube mullions and Bay/Bow mullions in 22.5deg., 45deg., and 90deg. configurations cater to your specific needs. Maximize design possibilities with our mullions, ideal for twin configurations or multiples in your projects.