Product Description York 304 has been designed with a flexible 2 mil sheet of type 304 stainless steel, 8 mils of butyl adhesive and a siliconized release liner. York 304 is a self-adhering metal membrane that offers best in class puncture and tear resistance. It can be applied from 20 ÌŠ F to 170 ÌŠ F & stays stable and air tight from -70 ÌŠ F to 250 ÌŠ F. Manufacturer Information
