LYSAGHT FLEX-LOK concealed standing seam system is a roofing system with an innovative architectural appearance. It is available in steel or aluminum and provides a flexible design. It can be flat, curved or tapered to achieve varies architectural requirements and provide architects with a more creative resource.

• A specially designed, concealed clip system requires no through fasteners. This provides excellent weather and uplift resistance.
• The original heat insulated clip allows for movement which results from the thermal effect. This minimizes the need for step expansion joints.
• Available in tapered and curved sheets to fulfill the most challenging design criteria.
• Specially engineered thermal pad slides neatly onto base of the clip which can reduce or eliminate thermal bridging effects;
• Can be roll-formed on site to achieve extreme long length according to project requirements.
• Flexible in steel, aluminum or other metallic materials.