Want to enhance the look and feel of the exterior of your house? If a home remodel is not an option, giving the wood siding a fresh coat of paint might just do the trick. However, painting old wood that has been exposed to sunlight and rain can prove to be difficult. There is a lot of prep work that you will need to do before taking that paintbrush in your hand.

1. Repair and clean the surface

wood texture repair

Outdoor wood needs to be repaired and cleaned thoroughly before it is ready for the paint job. Time has a strong weathering effect on wood. Simply applying a coat of new paint on weathered wood won’t do the job. Here are the steps that you need to follow in this regard.

Cover all the indoor openings such as windows and doors

Covering your windows and doors will keep the interior of the house dust-free and clean as you scrub the surface of the wood. This will also allow you to have clear access to the area that you want to paint.

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Clean the surface thoroughly

You may want to use some mild detergent and a scrubber brush to get rid of the accumulated dust, mold and grime. It is important to ensure that you don’t scratch the surface too hard while trying to clean it. Once you are satisfied, rinse the surface of the wood with water.

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Fill the holes

If you notice any holes on the surface, make sure to fill it with a quality wood filler. It is a good choice to go with a two-part resin system for outdoor wood. You will also need to repair areas that appear damaged.

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Cover the nail holes

It is common to have nail holes on old wood sidings. You will need to fill these properly so that it blends well with the surrounding area. If you find unnecessary nails on the wood, you can pull them out or drive them into the surface.

Smoothen the surface

Once the repair is done, you will need to sand the entire surface to give a smooth feel. This step will have a direct impact on the final look and feel of the wood. You may want to use sandpaper for a smooth finish.

2. Make the wood paint-ready

Preparing paint

After you have cleaned the wood thoroughly, the surface needs to be prepared for the actual paint. This preparation involves a few critical steps that you cannot afford to miss.

Remove any existing paint 

You need to remove the older layer of paint to avoid any unnecessary interference with the new coat. Use a sharp scraper for the best results. However, be careful with your strokes to avoid damaging the surface.

Sand the edges

If you find any ridge around a bare wood spot, use sandpaper to make it smooth. This will allow the wood to better grip the new coat of paint.

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Use primer on wood knots

It is important that you apply a few coats of primer on the exposed wood knots to get them ready for the actual paint. You may also put a few coats of primer using a wire brush on small areas that look wet.

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Sand the surface thoroughly

A proper and thorough sanding will roughen up the surface, making it easier to stick paint on it.

Clean the wood surface

You can use a cloth or a brush to remove the dust that may have accumulated on the surface during sanding.

3. Prime the wood 

Applying the primer is perhaps the most important step involved in outdoor wood painting. You will need to select the right primer and give it enough time to dry before you start painting the surface. Some of the things to remember involve:

Get the right primer 

High quality latex-based outdoor primer is the best choice for outdoor wood painting, thanks to its high resilience against heat, moisture, and rubbing.

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Apply the primer thoroughly

Try to apply the primer when the outside temperature is between 50 °F and 90 °F for smooth and consistent drying.

Check for missed spots

Once you are done applying the primer on the surface, check for spots that you may have missed.

Give it enough time to dry

Let the base primer dry for 12 hours before applying the final coat. Once the final layer is applied, let the wood dry overnight.

When you are sure that the surface is completely dry, it is time for some outdoor wood painting. You can simply pick the oil-based paint that you like and start coating the surface. Remember to allow the base layer of the paint to dry before applying the final coats. So, what are you waiting for? Let the paint begin!

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Enhance Your Home’s Exterior with Outdoor Wood Painting was last modified: April 14th, 2023 by Kukun staff
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