Cedar siding adds a natural beauty and timeless charm to any home. However, over time, dirt, mold, mildew, and environmental pollutants can dull its appearance, making it look weathered and worn. If left unchecked, these elements can cause permanent damage, impacting not only its aesthetics but also its longevity.
Proper cleaning of cedar siding isn’t just about keeping it looking good; it’s about preserving its integrity. Unlike other siding materials, cedar requires a gentle yet effective cleaning process to protect its delicate surface while removing buildup. Knowing the right techniques can save you from costly repairs and ensure your home maintains its curb appeal.
Whether you’re preparing for a new coat of stain or simply want to revive your home’s exterior, learning how to clean cedar siding properly is essential. This guide will walk you through everything you need to know, from choosing the right tools to handling stubborn stains, ensuring your cedar siding stays beautiful for years to come.

Contents
- 1 1. Why Cleaning Cedar Siding Is Essential
- 2 2. Tools and Materials You’ll Need
- 3 3. Step-By-Step Cleaning Process
- 4 4. How to Handle Stains and Mildew
- 5 5. Preventative Maintenance Tips
- 6 Conclusion
- 7 FAQs
- 7.1 How often should I clean cedar siding?
- 7.2 Can I use a pressure washer on cedar siding?
- 7.3 What should I do if my cedar siding has mold?
- 7.4 Can I use regular soap to clean cedar siding?
- 7.5 Should I seal my cedar siding after cleaning?
- 7.6 What’s the best way to prevent cedar siding from getting dirty?
1. Why Cleaning Cedar Siding Is Essential
Cedar siding is more than just a pretty exterior; it’s a durable material that offers excellent insulation and weather resistance. However, its natural properties make it susceptible to dirt, algae, and mildew buildup.
Neglecting cleaning can lead to discoloration, rot, and even structural damage over time. Regular maintenance not only protects the wood but also enhances its lifespan, keeping your home safe and energy-efficient.
Additionally, clean cedar siding improves your home’s aesthetic appeal and value. A well-maintained exterior creates a positive impression, whether you’re hosting guests or planning to sell your property.
2. Tools and Materials You’ll Need
To clean cedar siding effectively, you’ll need the right tools. Start with a soft-bristle brush or a sponge to avoid scratching the surface. Avoid using stiff brushes or harsh scrubbers, as these can damage the wood.
A mild detergent mixed with water is sufficient for most cleaning jobs. For deeper cleaning, consider a wood-safe cleaning solution specifically designed for cedar siding. You’ll also need a garden hose or a low-pressure power washer.
Don’t forget safety gear, such as gloves and protective eyewear, especially if you’re using chemical cleaners. A ladder may also be necessary for reaching higher areas of your siding.
3. Step-By-Step Cleaning Process
Start by rinsing the siding with a garden hose to remove loose dirt and debris. This pre-rinse helps prevent scratching when scrubbing.
Mix your cleaning solution according to the instructions. Apply it to the siding using a sponge or brush, working in sections. Be sure to scrub gently to protect the cedar’s natural texture.
Rinse the siding thoroughly with clean water. Avoid leaving any soap residue, as it can attract dirt and cause discoloration. Allow the siding to air dry before applying any treatments or finishes.
4. How to Handle Stains and Mildew
Mildew and stains require special attention. For mildew, use a mixture of water and oxygen bleach. Apply it to the affected area and let it sit for a few minutes before scrubbing gently.
For stubborn stains, consider using a wood brightener or a diluted vinegar solution. These products can restore the cedar’s natural color without causing damage.
Always test any cleaner on a small, inconspicuous area before applying it to the entire surface. This ensures it won’t cause discoloration or other unwanted effects.
5. Preventative Maintenance Tips
Regular maintenance goes a long way in keeping cedar siding clean. Trim back trees and shrubs near your home to prevent dirt and moisture buildup.
Apply a protective stain or sealant every few years to enhance the wood’s resistance to moisture and UV rays. This not only preserves its appearance but also prevents rotting.
Inspect your siding periodically for signs of damage, such as cracks or peeling paint. Addressing these issues promptly can prevent larger problems down the line.
Conclusion
Cleaning cedar siding doesn’t have to be a daunting task. With the right tools, techniques, and a bit of effort, you can keep your home’s exterior looking fresh and well-maintained. Regular cleaning not only enhances the siding’s beauty but also protects it from long-term damage, saving you money in repairs and replacements.
By following these steps and incorporating preventative maintenance into your routine, your cedar siding can continue to provide its natural charm and durability for years to come. Whether you’re a seasoned homeowner or tackling this task for the first time, a clean and well-cared-for exterior is always worth the investment.
Remember, taking care of your cedar siding is more than just a chore—it’s a way to preserve the warmth and character of your home for generations.
FAQs
How often should I clean cedar siding?
It’s recommended to clean cedar siding once a year or as needed, especially in areas prone to dirt and moisture buildup.
Can I use a pressure washer on cedar siding?
Yes, but use a low-pressure setting to avoid damaging the wood. Always test a small area first.
What should I do if my cedar siding has mold?
Use a mixture of oxygen bleach and water to remove mold. Scrub gently and rinse thoroughly with clean water.
Can I use regular soap to clean cedar siding?
No, it’s best to use a mild detergent or wood-specific cleaner to avoid harming the siding.
Should I seal my cedar siding after cleaning?
Yes, applying a protective stain or sealant every few years helps preserve the wood’s appearance and durability.
What’s the best way to prevent cedar siding from getting dirty?
Trim nearby vegetation, clean gutters regularly, and apply a protective finish to reduce dirt and moisture buildup.