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How to paint a garage floor


Wondering how to paint a garage floor? Garage floors can wind up looking grimy and stained, but even if there’s oil or grease on yours, it’s possible to revive it with paint. What’s more, you can give it a finish that resist stains so it stays in better shape from now on.

1. MEASURE THE FLOOR

You’ll need to know the area of the garage floor before you start so you can set yourself up with the correct quantity of paint. Measure the floor’s length and width to calculate the area, and check the instructions on the tin for the coverage rate of your chosen paint. Bear in mind that you’ll need to use two or even three coats of paint.


Asking what kind of paint you use on a concrete garage floor? You can choose between epoxy, acrylic and latex garage floor paints. Latex and acrylics are easiest to apply and will likely cost less. Epoxy should prove more durable, however, and can be worth the extra expense entailed in opting for it.


2. PREPARE A NEW CONCRETE GARAGE FLOOR FOR PAINTING

If the concrete of your garage floor is newly laid, be aware that it needs to set for at least a month before painting.


Sweep the floor clean of any dust and debris, and use a wire brush to get rid of any remaining material.


If the concrete is very smooth, you may need to roughen the surface to prepare it for painting, depending on the paint you are using. You can use a specialist etching product; follow the instructions on the label.


Apply a primer compatible with the floor and your chosen paint. Make sure you work towards the door so you don’t trap yourself in a corner.


3. PREPARE A PREVIOUSLY LAID CONCRETE GARAGE FLOOR

Clean the floor of debris using a stiff broom.


A garage floor that’s been down for a while is likely to have accumulated oil and grease stains that need to be cleaned off before you start. Use a specialist concrete cleaner to do the job, following the product instructions. If there are any rust stains, a rust removal product can be used. You may need to equip yourself with a best pressure washer if the stains are well established. Make sure you allow the floor to dry completely afterwards.


If there are any cracks in the floor, use a wire brush to clean them out, then use a concrete filler. Sand lightly once dry.


Apply a primer that’s compatible with your floor and the paint you are going to be using. Work towards the door.


4. PREPARE A PREVIOUSLY PAINTED GARAGE FLOOR

For floors that have been painted in the past, clean with a wire brush to remove paint flakes. Sand down and sweep clean.


You can then proceed to fill any cracks as above. If there are any oil and grease stains on the floor, these should be cleaned off, following the step above.

5. APPLY PAINT TO THE GARAGE FLOOR

Once the floor is prepared and thoroughly dry, you can start to apply paint. Before you start open all the doors and any windows to provide good ventilation.


Prepare the paint according to the instructions on the tin. Be aware of the manufacturer’s instructions on what the temperature range needs to be for successful application.


If you are using a two part epoxy paint, it’s particularly crucial to read all the instructions for using the paint before you start as there is a window of time for using the paint once mixed.


Applying the first coat of paint with a brush is a thorough way of coating the floor initially, but you might prefer to use a roller for subsequent coats.


Remember to begin at the far end of the garage and work towards the door, concentrating on sections at a time.


Allow the first coat of paint to dry following the instructions on the tin.


Use a roller or paintbrush to apply a second coat and, if necessary – for example on heavily textured concrete – a third, allowing the paint to dry thoroughly between coats.


6. LEAVE GARAGE FLOOR PAINT TO CURE

It’s important to follow the paint manufacturer’s instructions and leave the paint to fully cure before you park a car on it or move furniture and equipment back into the garage.


Source: https://www.realhomes.com/advice/how-to-paint-a-garage-floor

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