Top Hat recycled rubber manhole risers from Abart Industries are a cost-effective, reusable product that offers a cure for castings. They are custom fit to apply to any manhole design, absorbing impact from traffic and protecting the manhole structure. They help reduce water infiltration and wear and tear on vehicles while exceeding the life of the pavement. They are UV resistant, and heavy equipment is not needed to install them. Bolt packages are included, and they can be installed within 30 minutes, reducing lane closure times. They can be applied before or after blacktop application, making them a solution for afterthought adjustments. 315/730-2588; www.tophatrisers.com.