Large Corner Webs
The flange has been optimized so that there is an increased area where the load is concentrated, giving a reduction of measurable strain between 30% to 50% in the bedding.

Bonding Ribs
Rib design significantly improves bonding to the bedding material creating a greater resistance to lateral shift. This helps avoid early separation and cracking of the bedding material which can cause premature failure.

Rib Positioning
Positioning of the ribs plays a critical role in reducing the risk of cracking the bedding material. The position opposite the cover seating areas reduces the risk of frame deflection and ensures that impact to the surrounding materials is limited.

Flange Stiffness
The thickness of the flange at the corners prevents bending caused by dynamic loading. Prevention of bending in this area reduces disturbance of the bedding material.