Paint the concrete step by step

Concrete has long outweighed the expediency, but in the meantime, exposed concrete in private homes has also become a sought-after stylistic device. There are also many other applications with concrete. For this it is often necessary to paint or seal the concrete. Below you will find information and a guide to the concrete paint.

Almost every concrete component can be painted

The possibilities of using concrete are becoming ever more diverse. In almost all areas of private living, the building material has now arrived:

  • as a floor screed in living rooms
  • as load-bearing components
  • instead of masonry
  • Concrete floors in garages and cellars
  • Exposed concrete furniture

The stress of the concrete determines the paint used

Basically, there is no difference what kind of concrete part you want to paint in the end. What is important, however, is the stress to which the painted surface will later be exposed. Especially with floors you have to adapt the selected concrete color to the requirements. There are also differences between conventional soils that are only entered and those that also move vehicles (wheels, mopeds, automobiles).

Abrasion resistance and slip resistance

In the case of the first mentioned floors you have to make sure that the concrete paints are sufficiently abrasion resistant and slip resistant. In the case of garage and basement floors, where vehicles are also parked, you must also take into account the significantly higher mechanical load of the respective vehicle. In addition, you must only use those concrete paints that have a release for garages and the like.

Special features concrete floors in garages

Other concrete paints could include solvents that react with the plasticizers in the tires of your vehicle. Not only the painted concrete is damaged. The properties of the affected tires can also be significantly changed to the detriment of driving safety. In particular, the paints and sealants for concrete floors are two-component plastic paint for concrete.

Prepare concrete for painting

The preparation of the concrete you want to paint, however, do not differ - no matter whether a self-made flower pot, a concrete wall or just a floor. If necessary, you must sand the concrete and even polish it before you can paint it. In addition, the concrete surface must be liberally painted with primer.

Waiting times for freshly poured concrete

This in turn means that you can not even paint young or green concrete. The concrete needs depending on external circumstances (climate, temperature) 4 to 8 weeks to dry out. Bear in mind that concrete paints act as a sealant and water can no longer escape. So give fresh concrete too much rather than too little time to harden and dry out.

Step-by-step instructions for painting concrete

  • bonding agent
  • Concrete paint or paint (mostly 2-component paints)
  • Quast, paint roller or water slide
  • Mix container to the paint
  • Tool for preliminary work (concrete grinding machine, etc.)

1. Preparations

Thoroughly clean the concrete surface before painting. Floors must be absolutely free of dust and dirt. On walls cobwebs and the like are removed. When efflorescence occurs in the concrete, you can not just start painting, but first fix the cause.

2. Priming

Now the primer is used according to the specifications of the manufacturer. On walls, use tassel or roller. For floors, you can also use a water slide, depending on the consistency of the primer. Then the primed concrete surface must have enough time to dry out. Depending on the manufacturer's instructions, the primer may not cure completely, however.

3. Painting the concrete surface

Now you can edit the concrete with the color. Repaint walls with tassel or brush, for floors you may be able to use the water slide. In particular, in soils, it is also advisable to paint or paint the concrete at least twice. The manufacturer's information clarifies on when the concrete paint is walkable and when fully cured.

Tips & Tricks

For garage floors, do not completely avoid painting the concrete floor, especially if vehicles are regularly moved across the floor. In winter, with the sprayed and melted water on the vehicle, residues of road salt also reach the concrete floor. If these salts get into the concrete floor, you can destroy the contained cement.

Video Board: How to paint a concrete floor - Step by step guide on how to paint concrete floors.