The DEKS Multiplex PVC Collar Smooth Flange is specifically designed for connecting PVC synthetic felts to through tubes or systems on roofing installations. Its slightly tapered shank accommodates a range of tube diameters, simplifying the installation process. The smooth flange ensures efficient hot air welding to PVC synthetic felts, delivering a secure and long-lasting bond. Fully compatible with prefabricated PVC synthetic felts, this collar is crafted from elastic materials that provide long-term watertightness. It offers excellent resistance to degradation from sun exposure, ozone, and other environmental or chemical agents. With outstanding flexibility even at low temperatures, it retains its mechanical and physical properties over time, making it a dependable choice for roofing applications. Why Choose the DEKS Multiplex PVC Collar Smooth Flange? High performance collar with smooth flange Strong & durable High-quality PVC Cost-effective Easy to install Product Specifications: Size: Select from dropdown Material: PVC