How to Maintain and Renew Cedar Shingle Siding

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Cedar shingle siding is a popular choice for many homeowners due to its natural beauty and durability. However, over time, it can become weathered and worn. Restoring and maintaining cedar shingle siding is essential to prolong its lifespan and keep it looking its best. Here are some steps to follow:

1. Clean the siding: Use a mild detergent and water to wash away dirt, mildew, and other debris. Scrub gently with a soft brush or sponge.

2. Repair any damaged shingles: Replace any cracked or broken shingles to ensure the integrity of the siding.

3. Apply a protective coating: Use a high-quality sealant or stain to protect the wood from moisture, UV rays, and other elements. Follow the manufacturer’s instructions for application.

4. Regularly inspect and maintain: Check the siding annually for any signs of damage or wear. Make any necessary repairs promptly, and reapply the protective coating as needed.

By following these steps, you can restore and maintain the beauty of your cedar shingle siding for years to come.

Cedar shingle siding is known for its resistance to rot and pests, but it is also susceptible to damage due to its softness. If left untreated, cedar will weather to a natural gray color, commonly seen on beach homes and mountain cabins. However, replacing damaged shingles with new ones can result in an uneven appearance. The best solution is to clean and seal all shingles at once.

Maintaining Cedar Shingle Siding

If you prefer the gray look of cedar shingle siding, it requires minimal maintenance. Clean it periodically and apply a water-resistant preservative to protect against moisture damage. Clear preservatives will not prevent the wood from turning gray, but a pigmented sealer can offer some UV protection to delay the graying process.

Humid climates or beach locations require more frequent cleaning and reapplication of preservatives, usually every two to three years. Drier climates can extend the maintenance period to three to five years, depending on weathering.

Effective cleaning and maintenance can prolong the life of cedar shingle siding. Neglecting it can result in necessary replacement within a decade, while proper care can extend its lifespan to 40 or 50 years.

Warning

Avoid using oil-based sealers, paints, or stains on cedar shingles to prevent mildew and mold growth. These products contain ingredients that promote mold and mildew growth, which can be accelerated by the sun’s UV rays and weathering.

Cleaning Cedar Shingles

Cedar shingles can accumulate moss, algae, or iron stains that require cleaning. The US Department of Agriculture’s Forest Services Laboratory recommends using an oxidizing bleach instead of household chlorine bleach to avoid damaging the wood. Chlorine bleach can cause a chemical reaction that damages the wood’s surface.

How to Clean Cedar Siding with Oxygen Bleach

  1. Remove dirt and debris with a long-handled scrub brush or broom.
  2. Mix the oxygen bleach with water according to the product instructions.
  3. Pour the mixture into a lawn and garden sprayer.
  4. Apply the mixture to a 4 x 8-foot section and let it sit for 15 minutes.
  5. Scrub the area with a brush with a broom handle.
  6. Rinse with cold water and let dry.

Warning

High-pressure sprayers or pressure washers can damage cedar shingles, causing raised grains, pitting, and scarring. Low-pressure sprayers are a better option.

Water-Resistant Coating, Stains, and Paints for Cedar Shingles

If you plan to paint cedar shingles, be aware that removing peeling paint from individual shakes can be difficult. Instead, it’s recommended to use a water-resistant clearcoat product or a transparent/opaque water-based stain. Apply the clearcoat or stain using a lawn and garden sprayer, HVLP paint sprayer, or paintbrush/roller after the house has dried.

Process for Applying Wood Stripper and New Coating

Before applying a new clearcoat or stain, prepare the wood by cleaning and removing old coatings. If oxidized bleach was used and all traces of the old coating are gone, this step may be skipped. Follow these steps to apply new coating:

  1. Protect landscaping or wet the area down with a hose.
  2. Pour wood-stripping product into a low-pressure sprayer.
  3. Work on a 4-by-8 foot section for 20-30 minutes.
  4. Scrub area with a stiff-bristle brush (no wire brushes).
  5. Rinse with water and let dry for 48 hours.
  6. Apply clearcoat or stain with HVLP sprayer, lawn and garden sprayer, or manually.

FAQ

1. What is the best way to restore cedar shingle siding?

To restore cedar shingle siding, start by cleaning the surface with a mixture of mild detergent and water. Scrub the siding gently with a soft brush to remove dirt, mold, and mildew. Rinse the siding thoroughly with water and allow it to dry completely. Next, inspect the siding for any damaged or loose shingles. Replace or repair any shingles that are cracked, split, or missing. Once the repairs are done, apply a wood preservative or stain to protect the cedar from weathering. Use a brush or sprayer to evenly coat the shingles, following the manufacturer’s instructions. Allow the preservative or stain to dry completely before applying a second coat if necessary.

2. How often should cedar shingle siding be maintained?

Cedar shingle siding should be maintained every 3 to 5 years to keep it in good condition. Regular maintenance helps to protect the wood from moisture, UV rays, and other environmental factors. The frequency of maintenance may depend on the climate and exposure of the siding. Inspect the siding annually for any signs of wear or damage. If the shingles appear faded, cracked, or loose, it is time for maintenance. Cleaning, repairing, and reapplying a protective finish should be part of the maintenance routine. By maintaining cedar shingle siding regularly, you can extend its lifespan and keep it looking beautiful for years to come.

3. Can cedar shingle siding be painted?

Yes, cedar shingle siding can be painted if you prefer a different color or want to change the look of your home. However, it is important to note that painting cedar shingles requires proper preparation and maintenance. Start by cleaning the siding thoroughly to remove dirt and debris. If there are any mildew or mold spots, treat them with a mildew remover. Next, sand the shingles lightly to create a smooth surface for the paint to adhere to. Apply a primer specifically designed for cedar before painting. Finally, choose a high-quality exterior paint that is suitable for wood surfaces. Regular maintenance, including repainting every few years, will be necessary to keep the painted cedar shingle siding looking fresh and vibrant.

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