Can Pea Gravel Be Used Under Concrete. Pea gravel is a loose landscaping material composed of smooth rounded stones between 18 and 14 inch. So can rigid foam.
Many contractors in the Puget Sound region have opted for clean crushed rock such as 58. If you use pea gravel beneath a patio take a few simple steps to ensure the stability of the base before setting your surface stones pavers or bricks. Pea gravel is still commonly used under floor slabs and tight places.
But a good rigid and compacted base will keep the individual mini-continents from shifting.
While pea gravel can be used as a mulch alternative garden border and other landscaping purposes it is not the best choice for a patio base. Can I use pea gravel under concrete. Can you use pea gravel under concrete. I see from the code that you sent me that gravel isnt required and that the concrete should be on Virgin soil but where the heck does that rain water in the earth and around and under the concrete go when it rains I wonder.
