Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
NO! They are only laid on approved DOT materials. If a suitable base dose not exist then a base made of course marl not marl dust is used. The thickness of the base will depend on the use of the pavement and the characteristics of the sub grade. Your installer will advise you and make proper recommendation.
