Our high cycle model LXR-HC offers 99.9% enclosed curtain shutter with a high end look, yet constructed for heavy duty performance. The LXR line is manufactured for exterior performance with 3/32” thick clear polycarbonate windows, allowing your space to be fully enclosed without losing light and visibility. Standard high cycle roll-up doors include heavy duty 3” deep guides with ABS wear-strips, 100K+ cycle-life counterbalance springing, and high cycle / high yield flange bearings to provide years of maintenance free operation.