Dynaslate Ltd offers sustainable roofing slates with BBA certification. The slates are made of recycled rubber and plastic. Dynaslates have the appearance of natural slates and at the same time are more robust, lighter to shift and easy to install with conventional tools.Dynaslates are an ideal solution for architects, designers, developers and self builders in achieving their environmentally friendly objectives on both new and refurbishment projects.Dynaslate. The future for sustainable Roofing.