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Can You Reuse Cedar Planks? A Comprehensive Guide to Cedar Reclamation

Yes, you can reuse cedar planks, and in many cases, it’s a highly desirable practice. Reusing cedar not only saves money but also adds character and a unique history to your projects. However, the suitability for reuse depends heavily on the condition of the planks and the intended application.

Understanding Cedar and Its Reusability

Cedar, particularly Western Red Cedar, is prized for its natural resistance to rot, insects, and decay. This inherent durability makes it a prime candidate for reuse, setting it apart from many other wood species. Its beautiful grain patterns and aromatic oils further enhance its appeal. However, successful reuse requires careful assessment and preparation.

Factors Influencing Reusability

Several factors determine whether a cedar plank is suitable for reuse:

Condition: Check for signs of rot, insect infestation, significant warping, or splitting. Minor imperfections may be acceptable, depending on the project.
Previous Use: Cedar used in high-moisture environments (e.g., directly on the ground as garden edging) will likely be more degraded than cedar used for siding.
Type of Cedar: Western Red Cedar is generally more durable than other cedar varieties, offering better longevity when reused.
Intended Application: A reclaimed cedar plank suitable for a rustic garden bench might not be appropriate for a finely crafted piece of furniture.

How to Assess and Prepare Cedar for Reuse

Before embarking on any project using reclaimed cedar, a thorough inspection is crucial. This process ensures you’re working with viable materials and minimizes potential problems down the line.

Inspection Process

Visual Inspection: Carefully examine each plank for signs of rot, insect damage (small holes or tunnels), excessive warping, or splitting. Discard any planks with significant decay.
Moisture Content Check: Use a moisture meter to determine the moisture content of the wood. Ideally, the moisture content should be below 15% for most interior applications. Excess moisture can lead to warping and shrinkage.
Structural Integrity: Test the wood’s structural integrity by applying gentle pressure to suspect areas. If the wood feels soft or brittle, it’s likely compromised and unsuitable for structural applications.

Preparation Techniques

Once you’ve identified reusable planks, proper preparation is essential:

Cleaning: Remove any dirt, debris, mold, or mildew with a stiff brush and soapy water. For stubborn mold, consider using a mild bleach solution (follow safety precautions).
Removal of Fasteners: Carefully remove any nails, screws, or staples. Use pliers or a nail puller to avoid damaging the wood.
Sanding: Sand the planks to remove any remaining finish, smooth out imperfections, and prepare the surface for a new finish. Start with a coarser grit sandpaper (e.g., 80-grit) and gradually move to finer grits (e.g., 120-grit, 220-grit).
Planing (Optional): If the planks are significantly uneven, consider planing them to create a uniform thickness. This requires specialized equipment and skill.
Treatment (Optional): If the cedar has been exposed to moisture or insects, consider treating it with a wood preservative to prevent future problems. Always follow the manufacturer’s instructions and safety precautions.

Project Ideas for Reclaimed Cedar

Reclaimed cedar offers a wealth of creative possibilities. Here are just a few ideas:

Rustic Furniture: Tables, benches, chairs, and headboards can be crafted from reclaimed cedar, showcasing its unique character.
Accent Walls: Cedar planks can be used to create stunning accent walls, adding warmth and texture to any room.
Garden Structures: Raised garden beds, planters, and trellises are perfect projects for utilizing the rot-resistant properties of cedar.
Birdhouses and Feeders: Small pieces of reclaimed cedar can be transformed into charming birdhouses and feeders.
Decorative Items: Picture frames, small boxes, and other decorative items can be created from reclaimed cedar scraps.

FAQs About Reusing Cedar Planks

Here are 12 frequently asked questions to further guide you in the art of reusing cedar:

1. Is it safe to reuse cedar treated with chemicals?

It depends on the specific chemicals used. Cedar treated with chromated copper arsenate (CCA) is generally not recommended for indoor use or projects where direct skin contact is likely, especially if the treatment occurred decades ago. Consider using cedar treated with newer, safer preservatives or opting for untreated reclaimed cedar. Always wear appropriate safety gear when handling any treated wood.

2. How can I identify if cedar is treated with CCA?

CCA-treated lumber typically has a greenish tint. However, the absence of this tint doesn’t guarantee the wood is untreated. Older cedar (pre-2004) is more likely to have been treated with CCA. If you’re unsure, err on the side of caution and treat the wood as if it’s been treated with CCA.

3. Can I use reclaimed cedar for food-related projects (e.g., cutting boards)?

No, unless you are absolutely certain of the source and that it has not been treated with chemicals. Even then, cedar’s porous nature makes it less ideal for surfaces that come into direct contact with food. Hardwoods like maple or cherry are better suited for cutting boards.

4. How do I prevent reclaimed cedar from warping after installation?

Proper acclimation is key. Before installing reclaimed cedar, allow it to acclimate to the humidity levels of its final environment for several days or weeks. This helps the wood adjust and minimizes warping after installation. Proper sealing and finishing can also help regulate moisture absorption.

5. What’s the best way to remove old paint or stain from cedar planks?

Chemical strippers, sanding, and heat guns are all effective methods for removing old paint or stain. Choose the method that best suits the type of finish and the condition of the wood. Always follow safety precautions when using chemical strippers or heat guns.

6. Can I use reclaimed cedar for outdoor projects even if it has some rot?

Minor surface rot can be removed by sanding or planing. However, if the rot is extensive or penetrates deeply into the wood, it’s best to avoid using the plank for outdoor projects, especially structural components.

7. Does reclaimed cedar require any special types of fasteners?

Using stainless steel or coated screws is highly recommended, especially for outdoor projects. These fasteners are resistant to corrosion and won’t react with the natural oils in cedar, preventing unsightly staining.

8. How does the age of the cedar affect its reusability?

Older cedar that has been well-maintained is often more durable than younger cedar. The aging process can increase the wood’s density and resistance to decay. However, it’s essential to carefully inspect older cedar for any signs of damage.

9. What is the best finish to use on reclaimed cedar?

The best finish depends on the intended application and the desired aesthetic. For outdoor projects, consider using a penetrating oil finish or a water-based sealant with UV protection. For indoor projects, a clear polyurethane or varnish can enhance the wood’s natural beauty while providing protection.

10. How can I tell the difference between Western Red Cedar and other types of cedar?

Western Red Cedar typically has a reddish-brown color, a distinct aromatic scent, and a straight grain. Other cedar varieties, such as Eastern Red Cedar, may have a lighter color and a different scent. The wood’s durability and resistance to decay are also key indicators.

11. Where can I find reclaimed cedar planks?

Reclaimed cedar planks can be found at architectural salvage yards, lumberyards specializing in reclaimed materials, online marketplaces, and even through deconstruction projects.

12. Is it more expensive to use reclaimed cedar than new cedar?

The cost of reclaimed cedar can vary depending on its source, condition, and availability. In some cases, it may be more expensive than new cedar, especially if it’s a rare or highly sought-after variety. However, the unique character and historical significance of reclaimed cedar often justify the higher cost. Plus, you’re helping the environment by reusing existing resources.