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Clapboard is considered to be eco-friendly, as it is mostly sourced from sustainable natural resources and it has insulating properties. Clapboard is more sustainable than vinyl siding materials, which are made of plastic. Clapboard made from fiber cement can also be considered environmentally friendly. This material mimics the look of wood without the impact of deforestation.

Mildew grows into porous wood, making it more difficult to remove than regular dirt (and more destructive). We suggest using a dedicated mildew and mold fungicide to remove mildew, which is found in any local home improvement store. Apply a dose of the fungicide to the siding and leave to work according to the instructions, usually for an hour or two. Then wash it thoroughly away and scrub the spot again. Repeat the process if necessary. If nothing is removing the mildew stains, you should plan on removing those clapboard planks in time, as their damage could cause future problems.

You should restain or refinish your home's cedar siding every three to seven years to maintain its appearance and ensure maximum protection. The precise frequency depends on several factors, including your local climate, the siding's exposure to severe weather like direct sunlight, rain, and wind, the quality of the initial stain application, the type of stain used, and the condition of the wood.

Homeowners in harsh climates with high humidity and significant direct sunlight should plan on restaining every three years, while those in milder locations can wait up to seven years. For the longest-lasting protection in particularly harsh environments, consider using an opaque stain.

If you're looking for a lower-maintenance alternative, vinyl or aluminum siding are options to consider. Although their installation cost may be higher, they don't require as much upkeep over time, which can provide more value, especially in areas with excessive rainfall or high humidity.

For homeowners looking for a less expensive alternative to metal siding, the most popular choice is vinyl siding. At just $3 to $12 per square foot, vinyl siding can cost much less than some types of metal siding. Other popular alternatives include fiber cement and engineered wood. Consult a local siding contractor to determine which type of siding will work best for your home.