Under reasonable conditions, you can safely lay the new material on the existing surface. On the other hand, softer alternatives such as resin-based ones might need a sturdier and smoother base like concrete or asphalt. u003cbr/u003eu003cbr/u003eThere is a suitable base that matches each material. Lately, the most popular materials are the permeable ones which come in handy, especially if you live in a rainy area. Also, these are both practical and low-maintenance.