Can New Concrete be Poured Over Old Concrete?

Oftentimes an old concrete can be restored by pouring new ones on it. The real concern of many is the faulty installation of new layers on the old ones. The sure solution is to let experts pour the concrete coating on the old flooring. It will ensure that new slabs perfectly combine with the old like nothing has been done separately. 

This blog guides you through everything you need to know when placing new into old concrete.

old concrete floor in a kitchen area

Preparing the Old Slabs

First and foremost, the very key when placing new concrete on an old, damaged slab is to thoroughly prepare the surface. 

Step 1. Cleaning

Clean and clear the floors of any material. A simple sweeping with a broom is your simplest preparation. As you remove the solid particles, next is pressure wash the floor. This is necessary for the stains and deep seeping dirt to be removed. A clean, polished will assure that the new layers will bind effectively.

Step 2. Measuring

What the experts do is assure the new slabs will correctly attach to the existing ones. Knowing the exact perimeter will allow the slabs to fit seamlessly. It will look like nothing has been installed at a different time.

power washing dirty concrete floor

Step 3. Coating with the Primer

Choosing the right type of primer will secure the new concrete over the old. A primer that consists of an epoxy slurry will cover up faulty lines and cracks. Slurry penetrates thoroughly to the gaps due to damages. 

This is what the experts do the best. Making the old surface seamless and free from any flaws requires proficiency. That is the secret of professional resurfacing.

Step 4. Applying Bonding Agent

The bonding coat will ensure combining the two layers. The secret of a sufficient bond is making sure that the bonding mix has the right consistency.

Benefits of Well-Prepared Surface

  • A well-prepared old concrete will pave the way for the new ones to attach effectively. 
  • Surface preparation will cover up any damages.
  • Covering up damages during preparation.
  • Increases the strength and sturdiness of the sublayers to prevent future damages.

Pouring the New Concrete

Here are the secrets of pouring new concrete into an old one.

1. The Right Mix

Now, here we give you in this what only the professionals know. So, congrats to you for reaching this far in this blog. It is all about the right mix. 

A new layer of the concrete mixture should have a particular consistency. Most have thought that the two sets of layers should be done in the same manner. 

But to pour the new mix over an old slab, it should have less water content. The new layer must look and feel stiffer or thicker than the old ones.

2. Spreading Evenly

After pouring the concrete mix, the next step is to spread the wet concrete over the old layer. Now, this step also needs the installer’s expertise. The necessary technique is to have the concrete spread evenly. With a thicker mixture, it will challenge the one who is controlling the wet concrete. This step requires precision to achieve a seamless and leveled surface.

Final Reminders

Make sure to always have regular maintenance of the newly installed overlay. You can also have the new layer stamped for appeal. Remember that once the new layers are poured over, there is no turning back from it. So, make sure that you have flooring experts to help you do the job! Want to know more? Read on how to make your floor patterns compliment the victorian home decor.

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