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How to Paint a Concrete Floor

Do you feel the need to change the paint on your concrete floor and you do not know how to paint a concrete floor? Then you should follow this article to read up tips you need to know. These factors should be considered based on the budget at hand. If you want your floor to have a new look but you are low on budget, you can rip off that rug and paint your concrete.

To paint your concrete is not a hard job but before you start, you need to know a few steps on how to paint a concrete floor. Using a special concrete paint and floor sealer can make your house attractive. Patterns and designs can be introduced to your floor if you choose not to go with a plain painting. Painting your concrete floor will also serve as an anti-slip flooring solution which will guarantee the safety of any household.

Apart from giving your house an attractive look, painting your concrete can also take care of your health problems. In a family that suffers allergies, it is best to be without a carpet or rug because of allergens in carpet fibers.

When you decide to paint your concrete floor, you should also bear in mind that you will be committed to its maintenance for a long time. The preparation of the painting and its coating is important. If it is not done right, it will peel off with time. Selecting paint for your concrete floor should be shown much importance and the decision should be made by experts in the field.

You should follow these steps sequentially, especially when you are making use of the DIY method.

Tools and Materials to be Used

  • Shop Vacuum Cleaner
  • Masking Tape
  • Tri-Sodium Phosphate(TSP)Tri-Sodiumuck
  • Dustpan
  • Broom
  • Concrete Paint
  • Roller
  • Roller Extension
  • Brushes for Painting
  • Clothes
  • Concrete Sealer
  • Knee Pads
  • Paint Scraper

Step To Paint A Concrete Floor

Step 1

The first step to follow is to clear the working space and move any furniture out of the room to get a clearer view of what you would be working on.

Step 2

You have to clean your surface as well to help the sealer and paint bond well. This can be done best by using a shop vacuum. You can as well use the extension of a household vacuum.

In a case where old paint is still on your concrete floor, you need to get it off by scraping it with a paint scraper. While scraping, use knee pads or a garden kneeling pad. You can make use of two cleaning agents for clean work, one to remove debris and the other to remove efflorescence that can be found on damp concrete.

Step 3

This step requires some patching. By sweeping your floor, cracks and holes are more visible. You need to therefore patch these holes and cracks in your concrete to have a leveled ground.

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Step 4

In this step, you need to wash away grease or oil with trisodium phosphate accompanied by hot water. Follow the instructions on the TSP label and carry procedures out as directed. After the washing process, rinse your concrete floor with hot water.

Step 5

You will need to etch your concrete floor. By doing this you will need an etching solution which will be recommended by the paint manufacturer. After etching the floor, the drying process should troop in. You will need to vacuum the floor to remove etching dust from your concrete floor.

Step 6

Seal your concrete by using a sealer for concrete floors to get the best results. The instructions written on the label of the sealer should be administered to your floor. When you coat, use a roller to smooth the concrete. Allow it to dry before you carry out the next step.

Step 7

Getting closer to the main deal, but your concrete floor needs to undergo the priming process. You can choose to combine both your primer and finish paint. By doing this you will need to use the first coat of paint as the prime coat.

This process is crucial, so you need to tape off the bottom of the walls with masking tape. Then, paint the edges of your concrete floor to create a width so you would not have to go too close to the wall while painting it.

When painting the floor, start from the middle in sections and do not start from the exit door. As the painting continues you will need to be moving backward to the exit door. This is the best tactic to follow to avoid ruining your concrete floor.

Step 8

You will need to apply topcoats. Make use of the previous step to achieve that. Make sure you apply two medium coats to your concrete floor.

Step 9

This is the final sealer, if you are sure that your last coat has dried then you can add one more coat to make your paint last longer. If it is your garage that you are painting, use a runner and place it at the spot where the tires of the car will track.

How do you Get Paint to Stick to Concrete

Your paint will not stick to your smooth concrete floor if you do not etch it. You need a solution of muriatic acid or phosphoric acid to etch your concrete floor.

With these steps below, you will be able to get your paint to stick to the concrete.

·         Sweep or vacuum clean loose dirt. You can choose to settle with a dry rag for cleaning your floor depending on the dirt. Use 1 cup of trisodium phosphate solution to wash the surface. Use 1 gallon of warm water to remove grease and oil and then rinse your floor with clean water.

·         Before you etch your floor you will need to observe preventive measures. If you are dealing with an outdoor surface then you should etch with a muriatic acid solution. Mix with 1 part of acid and 3 parts of water. If you are etching an indoor surface, then use phosphoric acid, mix 1 part of acid to 1 part of water and remember to add acid to water.

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·         You will need a container like a garden sprinkling can etch your floor. When you have the container, pour the solution into it. If it is a wall, use a pressurized garden sprayer. Spray the solution on the wall or floor and allow to work for 2 to 10 minutes. When the bubbling reduces, then wash off with clean water.

·         You can choose to neutralize the acid. All you need is to mix a solution of ½ pounds of baking soda per 1 gallon of water. Spray it around the area with the same garden sprinkling you can use for acid. Rinse with clean water.

·         Test your floor for moisture to make sure there is no seeping. When no traces of any moisture can be found then proceed to the next step.

·         In this step, it is time to prime the surface of the concrete and then paint. It is necessary to prime the surface before applying your paint on it. The primer bonds better to the concrete than the paint, while the paint bonds better to the primer than to concrete.

Can I Paint Over Old Paint On Concrete

At some point, you will need to retouch the paint on your wall to keep its attractive look intact. This can be challenging to pull through as it is not as easy as applying paint to a freshly-laid concrete. You will need to coat your aged surface with various things like staining compound, sealant, among others.

You can successfully pull this through by following these steps sequentially

Step 1

You will need to clean and scrape your floor. To do this, prepare a solution of water mixed with any household cleaning agent. Using a long-handled brush for easy convenience, scrub the surface of the floor and allow to dry. In the case of an already painted concrete floor, you need to scrape the floor and sand it to remove the paint. Dry the surface with a dry cloth or mop.

Step 2

You will need a floor-buffer to remove loose paint. Allow the floor to dry properly. You can either rent a floor-buffer from a supply store or you can choose to purchase it. Extra caution should be taken when using this machine.

Step 3

Curing compounds should be removed. They emerge after the buffing process takes place. Make a solution of denatured alcohol and hydrated lime in equal proportions. Mix until it turns to a paste-like form. Apply it on the curing compounds which come in small visible spots. Allow to dry and harden to a thin crust. Then scrape away using a brush, sweep the chips afterwards.

Step 4

This step would be for the preparation of your paint. Some paints are sold as two disparate and then mixed before use. Some types of paints are toxic and produce fumes. It is best to wear a respirator when handling such.

Step 5

This is where the painting work lies, start by painting the edges of the concrete surface and use a big paintbrush while at it. Make use of a roller painter for the body of the concrete. Allow the first coat to dry for 10 hours before another is applied. For best results, you should leave it to dry for 5 days, then inspect and recoat if necessary.

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Is Painting Concrete a Good Idea

Yes, it is. Painted concrete is an added advantage because it makes your old worn out walls and floors pop as new. When concrete is painted, it becomes easy to clean and maintain under minutes. It keeps your floor from cracking and prevents the seeping of water. It always maintains its convenient and stunning nature.

How Long Does Concrete Paint Last

Your concrete paint can last up to 3-5 years. The amount of years depends on the use, maintenance and the type of paint. Recoating your concrete would also help it last longer. Factors like weather climate, exposure to light and water and also the area where the painted concrete is located can all determine the durability of your painted concrete.

Can my Concrete be polished?

Yes, your concrete can be polished. Any concrete floor that is either old or new can undertake any polishing process. Although new floors fit plain designs more than having different patterns. In the case of an existing floor, polishing is necessary to remove dirt and grease. Remember that wavy floors do not need polishing.

Must I Seal my Concrete Floor?

It is not compulsory but it is advisable to seal your floor. A sealant can go beyond its way to save your concrete from any liquid substance. When a sealant is on, you need to be worried because its job is to protect concrete flooring. Again, it prevents discoloration.

Can I Make my Concrete White Again?

Yes, you can. Those discoloration caused by an accidental spillage can be fixed with normal detergent or household chemicals. You can reseal your concrete floor to prevent more damages. These steps can help you remove any form of discoloration on your concrete.

·       Wet down the concrete with a bucket of water, so the baking soda will stick to the floor.

·       Pour baking soda over all of the discolored areas. The baking soda must be in the form of a paste before you apply it. Make sure to apply with a stiff-bristle brush and not a wire brush to prevent damage.

·      Allow sitting overnight on the surface of your concrete. Rinse thoroughly the next day and allow to dry.

·      Apply bleach or vinegar to the area and scrub with a scrub brush. When using vinegar, do not dilute, but you are making use of bleach then mix 3 tablespoons to 1 gallon of hot water. Repeat till the discoloration fades entirely.

Does Vinegar Etch Concrete?

Vinegar is widely known for its use in every household. But it should not be overlooked that it might sometimes pose a danger in our home. Vinegar can dissolve CaC03 in your concrete which will dull your floor as times elapse. As it cleans your concrete, it is also melting pits. You can use vinegar, but do not make it the order of the day.