Concrete Over Concrete
Be sure to cover all of the concrete evenly.
Concrete over concrete. Disadvantages of pouring new concrete over existing concrete. Pouring concrete over the existing one. You could drill holes into the existing concrete surface and insert steel pins and then the mesh on top. Pour the mixture directly from the bucket or use a plastic sprinkler can to distribute it over the old concrete.
The new concrete certainly isn t going to float up in the air or slide off. 10 major advantages of concrete are explained below. Pouring a new layer of concrete over an existing walkway patio or porch will raise the level by several inches. Pour the acid mixture over the old concrete.
Here s the catch if the existing surface is somewhat in a structurally sound shape and elevating its height to a few inches won t be a problem you can certainly freshen it up with a new layer of concrete. Make sure the braces are level and lay down a barrier of wire mesh over the existing concrete inside of the barrier. If you get some of the mixture on your skin rinse the affected area under cool water. Concrete over concrete by.
When i say bond the concrete you are lying on top off needs to be a rough finish like scabbled. Pouring concrete over existing concrete sidewalk or patio surfaces is an option if the existing base is structurally sound. Skeptics fail to recognize that pouring over the top of sound concrete is no different than pouring over a super compacted stone base. Compared to engineered cementitious materials used for construction the production cost of cement concrete is very low.
Among all the construction materials used in the world concrete is most widely used due to its unique advantages compared to other materials. If the slab runs up to a door the raised surface may not provide the necessary clearance for the door to open. Over the course of my 20 year contracting career i ve poured countless 2 inch caps over existing concrete with no problems. To lay new concrete sweep and clean the old concrete and saturate the old concrete with water.
Engineer if you are laying pouring concrete over existing concrete there needs to be a bond. 10 advantages of concrete.