Brass rollers with stainless axle for ease of operation. Tubular extruded rails reduce bowing of panels. Unique sill design is anchored with straps. Single-plane weathering eliminates gaps that could permit air leakage. Jamb and vent lock stiles are both weathered to provide the most efficient method of defense against air and water penetration. Aluminum glazing bead provides a strong, clean and neat appearance. Gated weep hole protective Read more about Lawson 8700 Hurricane Guard – Horizontal Rolling[…]