The Guardian R48 fastener is suitable for use in a variety of roofing projects. It is designed for the mechanical fastening of both single-layer TUPLA and Katepal multi-layer waterproofing systemes. Reliable performance, even in challenging environmental conditions, making it suitable for industrial, commercial, and residential flat roofing systems. Ensure the design load of the fastener together with the selected membrane or membrane combination through Katepal technical support or sales.