Polystick MTS is manufactured with patented Adeso Technology, a dual-compound technology that incorporates a fiberglass mat that is embedded in a modified compound with an aggressive proprietary self-adhesive compound applied to the bottom surface of the membrane. Polystick MTS is a self-adhered waterproofing underlayment specifically designed for high temperatures roofs featuring metal, concrete and clay tiles. Polystick MTS has a film-free selvage edge on the top surface and a split release film on the bottom surface for easy installation. Polystick MTS features an slip resistant film surface and 180 day UV exposure rating. Featuring exceptional tensile strength and thermal stability, Polystick MTS is temperature resistant to 265°F.