How to Paint OSB Wood: The Definitive Step-By-Step Guide

Table of Contents

OSB wood, also known as Oriented Strand Board, is a type of engineered wood that is commonly used in the construction industry. It is made by compressing small pieces of wood into a large panel, which makes it a popular choice for sheathing walls, roofs, and floors. However, many people find that the raw appearance of OSB wood is not to their taste and choose to paint it to improve its aesthetic appeal.

In this comprehensive guide, we’ll explore everything you need to know about painting OSB wood, from the benefits of painting to the best paint to use, and a step-by-step guide on how to paint it. Whether you’re an experienced DIYer or new to painting, by the end of this article, you’ll have all the knowledge you need to give your OSB wood a fresh new look.

What Is OSB Wood?

OSB Wood is a type of plywood. It stands for Oriented Strand Board and it has become common in building construction because of its strength, ease to work with, and price point.

RELATED: How Much Does OSB Cost? A Detailed Review By A Frequent User

Fabbay 20 Pieces Basswood Sheets
Jack Richeson Medium Density
Chipboard Heavy Weight 100%
Blank Wooden Chipboard Sheets
Baltic Birch Plywood
Fabbay 20 Pieces Basswood Sheets Thin Wood Sheets Craft Wood Board Unfinished Plywood for Craft DIY Wooden Plate Model Wooden House Aircraft Ship Boat School (Rectangle Style,12 x 20 x 1/8 Inches)
Jack Richeson Medium Density Untempered Hardboard(12 pack) , 9x12
Chipboard Heavy Weight 100% Recycled- Made in USA - 100 Pack (12"x12" 50pt)
0.25" Thick Blank MDF Chipboard Sheets for Painting, Arts and Crafts (9 x 12 in, 12 Pack)
Baltic Birch Plywood, 6 mm 1/4 x 12 x 24 Inch Craft Wood, Box of 6 B/BB Grade Baltic Birch Sheets, Perfect for Laser, CNC Cutting and Wood Burning, by Woodpeckers
$70.99
$38.43
$38.95
$22.99
$58.79
Fabbay 20 Pieces Basswood Sheets
Fabbay 20 Pieces Basswood Sheets Thin Wood Sheets Craft Wood Board Unfinished Plywood for Craft DIY Wooden Plate Model Wooden House Aircraft Ship Boat School (Rectangle Style,12 x 20 x 1/8 Inches)
$70.99
Jack Richeson Medium Density
Jack Richeson Medium Density Untempered Hardboard(12 pack) , 9x12
$38.43
Chipboard Heavy Weight 100%
Chipboard Heavy Weight 100% Recycled- Made in USA - 100 Pack (12"x12" 50pt)
$38.95
Blank Wooden Chipboard Sheets
0.25" Thick Blank MDF Chipboard Sheets for Painting, Arts and Crafts (9 x 12 in, 12 Pack)
$22.99
Baltic Birch Plywood
Baltic Birch Plywood, 6 mm 1/4 x 12 x 24 Inch Craft Wood, Box of 6 B/BB Grade Baltic Birch Sheets, Perfect for Laser, CNC Cutting and Wood Burning, by Woodpeckers
$58.79

Applications of OSB Wood

Roofing

OSB Wood is a common material to use for roof construction. It’s light, easy to transport and cut down into the right sizes needed for each job site. The main thing you have to remember about osb plywood when it comes time to paint OSB Wood is that it can’t be painted before installation because of its raw state.

Interior Wall Sheathing

You can use OSB Wood for interior wall sheathing. You have to be sure that it’s been primed before painting which will make the process easier and less messy in the end.

Flooring

OSB Wood is also common for use in flooring. You can either install it as OSB subfloor or place a new layer on top of an existing one to cover up the old surface. It’s important that you prime this type of OSB Wood before applying paint because if not, moisture will seep through causing your paint job to fail.

Exterior Siding

OSB Wood is a common material for exterior siding. It has the same issues as used in interior wall sheathing and flooring where it must be primed before painting. However, you also have to seal OSB Wood with an acrylic coating or other such product that will protect your paint from UV rays which can break it down over time.

Exterior Soffit

If you need outdoor soffits, OSB Wood is a great choice. It has natural strength and durability to withstand the elements outside such as rain or snow. You have to be careful not to paint too thick of coats on your primer which will result in sagging and buckling when wet after installation.

Why Paint OSB Wood?

Many people choose to paint OSB Wood because it gives the surface added protection and makes for a smoother finish. It is also possible to use tape with this type of wood which helps keep any drips or runs from appearing on your wall or ceiling surfaces.

You can’t paint OSB Wood directly after installation because it’s too raw, but you also shouldn’t wait until the roof is finished to start painting either. This means that if you are roofing with OSB Wood  then you should be applying a base coat of primer before installing and then a top coat of paint once the installation is complete.

Benefits Of Painting OSB Wood

Resistant To Rot And Insects

OSB Wood is resistant to rot and insects because of the way they are made. The wood fibers go in a different direction than standard plywood, which makes it more difficult for moisture from rain or wind to penetrate.

Will Not Warp Or Twist

The wood will not warp or twist as easily as regular plywood. It absorbs moisture more slowly so it has a longer life span than untreated wood, which makes painting OSB Wood very important.

Resistant To Wearing

The wood is resistant to wearing so it can hold screws or nails longer than untreated plywood. Painting OSB Wood will allow you to get the most out of your building material because it keeps water from seeping into the surface and weakening it.

Resistant To Water

The wood is resistant to water damage. This makes it the perfect choice for applications like studs, sheathing, flooring and roof decks on homes or buildings. Painting OSB Wood will give you a longer life span for your home because of its ability to repel moisture.

Resistant To Weather Damage

The wood is resistant to weather damage. It can also be more fire-resistant than untreated plywood. Painting OSB Wood  will make your building material work harder for you by protecting it from sun, rain and wind exposure that could cause the surface to deteriorate quickly over time.

What kind of paint do you use on OSB Wood?

When it comes to painting OSB wood, you have several options for paint type. Oil-based paints, latex paints, and water-based paints are all popular choices for painting OSB wood. Oil-based paints are known for their durability and long-lasting finish, but they are also more difficult to clean up and have a strong odor. Latex paints are a popular choice because they are easy to clean up and have low odor, but they may not be as durable as oil-based paints. Water-based paints are the newest option and are known for their quick drying time, low odor, and low VOC (volatile organic compound) emissions, but they may not be as durable as the other two options.

When choosing a paint for your OSB wood, it is important to consider the location and use of the wood. If the OSB wood will be exposed to moisture or high traffic, a durable paint like an oil-based paint may be the best choice. If the OSB wood is in a low-traffic area and you are looking for a more environmentally friendly option, a water-based paint may be the best choice. It is always recommended to read the manufacturer’s instructions and product labels before making a decision.

Which Side Is Best To Paint On OSB Wood?

When it comes to painting OSB wood, there are two sides to consider – the rough side and the smooth side. The rough side has a texture that is ideal for hiding imperfections and is commonly used for walls and roofs. On the other hand, the smooth side has a more finished look and is commonly used for flooring.

Both sides of the OSB wood can be painted, but the rough side is generally easier to paint because it can hide imperfections better. However, the smooth side is more suitable for a finer finish and will give you a smoother and more polished look. Ultimately, the side you choose to paint will depend on the look you are trying to achieve.

The Prep Work For Painting OSB Wood

Before you start painting OSB wood, it is important to properly prepare the surface to ensure the best possible outcome. Proper preparation will help the paint adhere better, last longer, and give you a smoother and more polished finish.

Here are the steps you should follow to prepare your OSB wood for painting:

  • Clean the surface: The first step is to clean the surface of the OSB wood. Use a stiff brush to remove any dirt, dust, and debris. If there are any spots or stains, you can remove them with a mild detergent and water.
  • Sand the surface: Once the surface is clean, use a sandpaper to lightly sand the surface of the OSB wood. This will help remove any rough spots, rough up the surface, and create a better bond for the paint.
  • Fill any gaps or holes: If there are any gaps or holes in the OSB wood, use wood filler to fill them. Make sure the wood filler is completely dry before you start painting.
  • Priming: Priming the OSB wood before painting is a crucial step that should not be skipped. Primer helps the paint adhere better, ensures an even finish, and helps to hide any imperfections in the wood.

How To Paint OSB Wood Inside The House

If you are painting OSB Wood inside the house, then be sure to remove any window treatments and place plastic sheeting on all of your windows. This will protect them from drips or runs that might get through your paint brush if it is not cleaned adequately after each use.

How To Paint OSB Wood On A Ceiling

If you are painting OSB Wood on a ceiling, then first remove the light fixture and any other items that might be damaged by paint. You will need to tape around these areas with blue painter’s tape or masking tape before you begin your project.

How To Paint OSB Wood On A Wall

To paint OSB Wood on a wall, first remove any door knobs and switch plates from the surface. You will also want to cover these items with tape or paper so that they do not get covered in paint when you start your project.

How To Paint OSB Wood In A Bathroom

Before painting OSB Wood in a bathroom, make sure to keep all of the surfaces wet with a damp cloth to prevent any paint from seeping into tiny cracks or crevices that could end up showing through.

How To Paint OSB Wood In A Kitchen

To begin painting OSB Wood in a kitchen, cover all of your appliances and countertops with plastic sheeting before you start work. You will also want to protect any cabinets or other items that might be affected by paint seeping through.

RELATED: Top 7 Best Clear Coat For Painted Wood & Buyer’s Guide

How to paint OSB wood: The definitive step-by-step guide

1. Cleaning the OSB Wood

Cleaning the OSB wood which will make your paint adhere better to it is very important. Remove any dirt, grease or grime by wiping with a clean rag dampened in mineral spirits.

2. Taping

Before you begin painting the OSB wood, make sure to tape around any areas that might be damaged by paint. Use blue painter’s tape or masking tape for this step.

3. Paint

The best paint to use for painted OSB wood is an alkyd latex exterior paint. This type of product will give you the most durable finish on your building material and it won’t cause any damage as long as the layer is thick enough not to let moisture through.

4. Masking

To begin painting the OSB board, remove any items that might be damaged by paint. You will need to tape around these areas with blue painter’s tape or masking tape before you start your project.

5. Painting

When painting OSB wood, remember that it is a building material and not real wood. Painting the surface too many times will cause the adhesion to break down over time so be sure to use just one coat of paint unless you plan on applying multiple layers for aesthetic purposes.

6. Cleaning up

After you are finished painting your OSB wood, be sure to remove any tape and clean the tip of your paintbrush with water before removing it from its can.

7. Sealing

If you want to make your painted OSB wood more resistant to moisture, then it is a good idea to apply an exterior sealer after the paint has dried. This will provide additional protection against water penetration and other outdoor elements that could damage the surface over time.

8. Coating

After you have sealed your painted OSB wood, it is a good idea to protect the surface from dirt and grime by applying a coat of exterior floor wax. This will help prevent any stains or other damage that could occur if someone spills something on it.

How To Paint OSB to Look Like Barn Wood

1. Start by sanding the OSB down with fine-grit sandpaper. You want to rough up the surface so that the paint will adhere better. Wipe away any dust with a tack cloth.

2. Next, apply a coat of primer to the OSB. Use a brush or roller designed for use with latex paint. Go over the whole surface, making sure to get into all the nooks and crannies. Let the primer dry completely before moving on to the next step.

3. Now it’s time to start painting! Use a paintbrush to apply a base coat of paint in the color of your choice. Again, make sure to get into all the nooks and crannies. Let the paint dry completely before moving on to the next step.

4. Once the base coat is dry, it’s time to start distressing the OSB. Use a putty knife or other sharp object to scrape away at the edges of the boards. You can also use sandpaper to roughen up the surface. The goal is to make the OSB look like it’s been well-worn over time.

5. When you’re happy with the distressed look, apply a coat of sealer to the OSB. This will help protect the paint and keep it from chipping or peeling off. Let the sealer dry completely before moving on to the next step.

6. Now it’s time to add some color. Use a paintbrush or roller to apply a coat of paint in a light color over the entire surface of the OSB. You can use any color you like, but white or light gray works well for this step. Let the paint dry completely before moving on to the next step.

7. Once the light color is dry, use a paintbrush or roller to apply a coat of paint in a dark color over the entire surface of the OSB. You can use any color you like, but dark gray or black works well for this step. Let the paint dry completely before moving on to the next step.

8. When the dark color is dry, use a paintbrush or roller to apply a coat of clear sealer over the entire surface of the OSB. This will help protect the paint and keep it from chipping or peeling

How To Paint OSB to Look Like Barn Wood

1. First, you will need to gather your supplies. You will need a sheet of OSB, some paint, and some distressed wood planks. You will also need a saw to cut the OSB into the desired size and shape.

2. Next, you will need to paint the OSB. You can use any color of paint that you like, but we recommend using light gray or white. Once the paint is dry, you will need to distress the wood. To do this, you can use a sander or a hammer.

3. Once the wood is distressed, you will need to apply a clear sealer. This will protect the paint from chipping and fading. Once the sealer is dry, you will need to apply a coat of dark stain. We recommend using a dark walnut or espresso stain.

4. Finally, you will need to apply a coat of polyurethane. This will protect the stain from fading and wear. Once the polyurethane is dry, your barn wood OSB is ready to use.

How To Paint Old Wood Fence

If you have an old, worn-out wood fence that needs a fresh new look, painting it is a great option. Here’s a step-by-step guide on how to paint an old wood fence:

1. Clean the surface: Start by cleaning the surface of the wood fence. Use a stiff brush to remove any dirt, dust, and debris. If there are any spots or stains, you can remove them with a mild detergent and water.

2. Sand the surface: Once the surface is clean, use a sandpaper to lightly sand the surface of the wood fence. This will help remove any rough spots, rough up the surface, and create a better bond for the paint.

3. Fill any gaps or holes: If there are any gaps or holes in the wood fence, use wood filler to fill them. Make sure the wood filler is completely dry before you start painting.

4. Priming: Priming the wood fence before painting is a crucial step that should not be skipped. Primer helps the paint adhere better, ensures an even finish, and helps to hide any imperfections in the wood.

5. Painting: Follow the same steps for painting OSB wood, as outlined in the section “How to Paint OSB Wood: The Definitive Step-by-Step Guide.”

How To Paint Over Wood Veneer

Step 1: Preparing the Surface

The first step is to sand the surface of the veneer so that the paint will have something to grip onto. You don’t need to sand it down to the bare wood, but you do want to create a smooth surface for the paint to adhere to.

Step 2: Applying a Primer.

Once the surface is sanded, you’ll need to apply a primer. This will help the paint to stick to the veneer and create a smooth finish. You can use any type of primer, but make sure it is meant for use on wood surfaces.

Step 3: Painting the Veneer.

Once the primer is dry, you can start painting the veneer. Use any type of paint you like, but be sure to use thin coats so that the veneer doesn’t buckle under the weight of the paint. Allow each coat to dry completely before adding another.

Step 4: Finishing Up.

Once you’ve achieved the desired look, you can seal the veneer with a clear coat of polyurethane or varnish. This will protect the paint from wear and tear and make it easier to clean.

How To Paint OSB Plywood

Step 1: Cut the OSB plywood to the desired size using a saw.

Make sure to wear protective gear, such as gloves and a dust mask, when cutting the OSB plywood. This will help to prevent any injuries.

Step 2: Sand Down the OSB.

Use a piece of sandpaper to sand down the edges of the OSB plywood. This will help to create a smooth surface for painting.

Step 3: Apply a primer to the OSB plywood using a paintbrush or roller.

Be sure to use a primer that is designed for use with OSB plywood. The primer will help the paint to adhere to the surface of the plywood.

Step 4: Apply paint.

Once the primer is dry, apply a coat of paint to the OSB plywood. Be sure to use a paint that is designed for use with OSB plywood.

Step 5: Allow the paint to dry completely before using the OSB plywood.

This may take up to 24 hours. After the paint has dried, the OSB plywood can be used as normal. It is important to make sure that the paint is completely dry before using the plywood, as otherwise, the paint may not adhere properly.

How To Paint OSB Walls

Step 1: Prepare the surface.

If you’re painting OSB walls for the first time, start by sanding down the surface to create a smooth finish. This will help the paint to adhere better and give you a more even finish.

Step 2: Apply a primer to the walls.

This will help to protect the OSB from moisture and will also help the paint to adhere better. To apply the primer, use a paintbrush or roller and start at the top of the wall, working your way down.

Step 3: Painting the walls.

Once the primer is dry, you can start painting your OSB walls. Use a brush or roller to apply the paint evenly. Start at the top of the wall and work your way down.

Step 4: Apply a second coat.

After the first coat of paint is dry, apply a second coat. This will help to ensure that your walls are properly protected from moisture.

Step 5: Finishing.

Once the second coat of paint is dry, you can add any finishing touches you like. You may want to add some trim or molding to the edges of the walls, or you may just want to leave them plain.

Step 6: Sealing the paint.

Finally, seal the paint job with a clear sealer. This will help to protect the paint from chipping or peeling.

FAQs

Can OSB Be Painted?

Yes, OSB can be painted. However, it is important to use the right type of paint and primer. OSB is a porous material, so it will absorb paint differently than other materials.

How Often to Paint Wood Siding?

Paint can protect wood siding from the elements and keep it looking fresh, but over time paint can start to peel and chip. If you’re unsure how often to paint wood siding, a good rule of thumb is to repaint every three to five years. However, if you live in an area with harsh weather conditions, you may need to repaint more frequently.

Can You Pressure Wash OSB?

Yes, you can pressure wash OSB. However, you should be careful not to use too much pressure, as this can damage the material. It’s also important to use a mild detergent when pressure washing OSB.

What Type of Paint Should I Use on OSB?

Paint for OSB should be breathable and water-resistant. A good option is latex exterior paint. You may also need to use a primer specifically designed for OSB. Painting OSB is a great way to protect the material from the elements and keep it looking fresh. With the right type of paint and primer, you can achieve a beautiful finish that will last for years.

Conclusion

Painting OSB wood is a technical process that requires the use of proper painting techniques and products. Ensure you sand the surface first, use a primer designed for raw wood, and apply paint in even strokes. With the right preparation and execution, you can achieve a beautiful painted finish on OSB wood.

Reference: Theos Timber Limited