Our patented reinforced joining system utilizes interlocking fiberglass joining plates offering design flexibility without compromising performance.

Choose a reinforced joining option when two-way combinations are desired or higher performance requirements need to be met. Our three reinforced joining options are tested to AAMA 450 and are Hallmark Certified for air, water and structural performance**. Reinforced joining with A-Series windows is also High Velocity Hurricane Zone (HVHZ) approved.

^{**When installed according to Andersen installation instructions.}