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How to Repair Rotted Trim in Marysville, WA

exterior window trim

Identifying Rotted Trim

Before initiating any repair, it is crucial to assess the extent of the damage. Rotted trim can be the result of prolonged exposure to moisture, leading to structural deterioration and potential infestations. Inspecting your home annually, particularly the window sills, door frames, and skirting boards, helps catch early signs of rot. Symptoms include soft or discolored wood that easily crumbles upon touch.

Choosing the Right Materials

When repairing or replacing rotted trim, selecting materials that will endure the elements is key. For homes in Washington, where moisture can be a constant battle, opting for treated wood or composite materials offers longevity and resistance against future rot. KV construction LLC frequently recommends using cedar for its natural resistance to moisture and decay, making it an excellent choice for exterior trim.

Step-by-Step Repair Process

Removing the Damaged Trim

Begin by carefully removing the affected trim to prevent further damage to the surrounding areas. Use a pry bar and hammer gently to lift the trim away from the surface. If the wood breaks apart during removal, ensure all pieces are completely cleared out.

Preparing the Surface

Once the rotted trim is removed, the underlying surface must be prepared. Clean the area thoroughly, removing any lingering debris or mold with a stiff brush and mildew-resistant cleaner. Allow the surface to dry completely to ensure the new trim adheres properly.

Cutting and Installing New Trim

Measure the area to be covered and cut your new trim accordingly. If using cedar, ensure it is treated or sealed to enhance its durability. Attach the new trim using galvanized nails or screws, which offer additional resistance to rust and corrosion. For optimal results, KV construction LLC advises sealing the edges with a waterproof sealant, which prevents moisture penetration and secures the longevity of your repair.

Finishing Touches

After installation, apply a coat of paint or stain to match the existing trim. This not only enhances the appearance but also adds an extra layer of protection against the elements. Regular maintenance, including painting and sealing, can significantly extend the life of your trim.

Preventative Measures

To avoid frequent repairs, consider installing a water-resistant barrier beneath the siding during initial construction or when replacing large sections of trim. Additionally, ensuring proper gutter installation and maintenance diverts water away from your home’s exterior, reducing the risk of moisture-related damage.

KV construction LLC specializes in preventative solutions and repair for homes in the Marysville area, ensuring your property remains beautiful and durable for years to come.


Addressing rotted trim promptly and effectively not only preserves the structural integrity of your home but also enhances its aesthetic value. By following these detailed steps and choosing the right materials, homeowners can ensure a lasting repair. For expert advice and professional service, consider reaching out to KV construction LLC, your trusted partner in home maintenance and repair.