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The best types of siding to withstand hail are fiber cement siding and engineered wood siding. Fiber cement siding is known for impact resistance, while some brands of engineered wood siding can withstand hail as big as 1 and 3/4 inches with no marks. Vinyl and aluminum siding are the most susceptible to hail.

You cannot install clapboard siding on a bare, unprepared surface. Clapboard siding requires a clean, sturdy base made from plywood or similar materials, sometimes called backerboard. Then, it needs an underlayment or sheathing, a moisture membrane to help protect the exterior wall.

Note that sometimes clapboard siding is caulked as it’s installed for additional protection. We don’t suggest this: Caulking the siding can trap moisture inside the clapboards and lead to moisture damage over time. The siding needs some space to “breathe,” especially in rainy weather.

Yes, you can install siding over stucco, but it's crucial to ensure the stucco is in good condition first. Before proceeding, inspect the stucco for any signs of damage, leaks, or mold growth. If you discover water damage, mold, or have ongoing leak issues, it's recommended to remove the stucco completely. This step prevents future problems like mold and pest infestations and allows a professional to repair or replace any damaged sheathing underneath. If the stucco is sound, the installation process involves attaching furring strips to the wall's framing directly through the stucco. The new siding is then installed onto these furring strips. A professional may also need to adjust window and door openings to prevent them from being recessed behind the new siding, which can cause aesthetic issues and create potential leak points.

The lifespan of vertical siding depends on the type of material used and whether it’s properly maintained. For instance, vinyl siding can last between 20 and 30 years, while fiber cement siding can last up to 50 years. Remember that the type you choose will depend on how much maintenance it will require to prolong its longevity.