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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.

Siding and cladding are two popular exterior wall coverings that protect homes from the elements and provide insulation, but they differ in design and application. Siding is applied directly to a home’s exterior, providing some insulation and basic shielding from the elements. In contrast, cladding is installed indirectly over furring strips, creating a ventilated air gap for enhanced insulation and moisture control.

If you’re wondering how to make wood siding last longer, including Composite T1-11, inspect it annually or quarterly to spot and repair cracks, holes, or chipped areas. You’ll also want to re-stain the wood every 3 to 5  years or repaint every 7 to 10 years for protection (note that repainting requires stripping and sanding off old paint as well). Lastly, keep up with regular cleanings using a garden hose or low-pressure power washer to help prevent grime and discoloration.

Generally speaking, the thicker the siding, the higher the quality. Thicker siding provides a stronger resistance against extreme weather conditions. Thicker siding also tends to fade more slowly under the sun. Hardie boards, a popular fiber cement siding option, is usually 5/16 inches thick. Meanwhile, masonry-finished cement siding varies from 5/8 to 5/8 inches thick.