So you can delete concrete slabs

The unit gray can be boring or peeling out an old color. With a fresh paint they bring their concrete slabs to new life. If you are thoroughly approaching the right material and invest a little time, you will thank you with a long-lasting paint.

Moisture certainly eliminate

Whether you remove an old paint to swipe your concrete slabs freshly, whether you want to carry out repair work or if you want to delete new concrete slabs, the basic requirement is a completely dried-dry underground and a dry weather.

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After old paint and paint residues have been removed with a high-pressure cleaner and the subsequent fine cleaning with a brush, soap and water, the concrete slabs must dry out completely. Depending on the outside temperature, it can take between 24 hours and three days. This also applies to the removal of grease or oil stains with trisodium phosphate.

For repair work such as filling cracks or holes in the concrete slabs, the concrete filler must also be 100% dry. If in doubt, wait a day longer before applying the primer. If the concrete slabs are fresh, i.e. not more than a month has passed since the concrete slabs were poured, you should wait until this time has passed. This is the only way to ensure that the concrete slabs are completely dry inside.

Use special products

Due to the disproportionately higher stress on the later paint from walking on and abrasion against walls, you should only use primers and paints that were produced for this purpose. Special floor paints or concrete glazes also guarantee that the concrete breathes, which prevents the paint from cracking later due to air pockets. When applying the primer, any impregnation and paint, apply several thin layers with generous drying times to increase durability.

Step-by-step instructions

  • Floor color
  • Concrete filler
  • Floor primer
  • Trisodium phosphate
  • Barrier tape
  • Possibly rain protection film
  • high pressure cleaner
  • (Wire) brush, rag, soap, water
  • Rolls of paint, tassels, broad brushes
  • Possibly paint splash

1. Cleaning the concrete slabs

All dirt and old paint must be removed from the surfaces of the concrete slabs. A high-pressure cleaner helps in outdoor use. Brush the surfaces "naked" with the wire brush and wipe off any dirt.

2. Repairs and touch-ups

Repair or fill cracks, holes and other damage with concrete filler. After it has dried out, level it with the wire brush and remove any dirt again. Wear respiratory protection when using trisodium phosphate.

3. Apply primer

Apply the special primer in one or two coats. Make sure that the type or type of paint matches the primer. Let it dry out.

4th. Apply floor paint in several layers

Spray the special floor color in three to five layers, roll up or elapse. Complete dry phase between each layer according to the manufacturer.

5. Paint

Make the freshly painted concrete slabs inaccessible with a barrier tape. When covering, pay attention to sufficient air supply.

Tips & Tricks If the surface of your concrete slabs consists of round or crushing grain, a lasur is unsuitable. In this case, a sprayed or sprayed color is recommended.