Its less prone to screen blowout. The reinforced pleated mesh, combined with special mesh retention clips and sill-tracking guide keeps the mesh in position. The mesh is retained at the sill with a retractable track guide that disapperas when operated, leaving a virtually unimpeded pathway through the opening.
The wire tension system assists in the motion and easy to operate. The pleated mesh resists sagging in windy conditions and easily windy conditions and easily returns to shape.