You can put new concrete over old concrete. However, unresolved issues with your old concrete, such as cracks or frost heaves, will carry over to your new concrete if not taken care of. In addition, you must pour it at least 2 inches thick.
Keeping this in consideration, can you pour concrete over crushed concrete?
You can pour concrete over crushed concrete. Pouring concrete directly into the ground makes it vulnerable to erosion that can cause cracks and other damages. Aside from that, the tiny plants or roots under the concrete slab can lead to unevenness.
Accordingly, how do you pour a thin layer of concrete over existing concrete?
How do you pour new concrete to old concrete?
How thick does a concrete overlay have to be?
The recommended thickness of a concrete overlay should be between 1 and 2 inches. Some people will even go to ¼ of an inch in thickness, which is still sufficient depending on your needs. If you place a 2-inch overlay, you need a very rough surface on the existing slab. Ensure the surface is rough enough.
What is BondCrete used for?
BondCrete is suitable for Tiling, adhesive for craft work, patching of most surfaces, sealing concrete, rendering surfaces and most cement applications. BondCrete is widely used in the building and renovating industry.