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

• A specially designed concealed clip system requires no through fasteners which provides excellent weather tightness and superior uplift resistance;
• The original heat insulated clip allows movement resulting from thermal effect , minimizing 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 requirement;
• Flexible in steel, aluminum or other metallic materials.