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If you buy new cedar, the process of cutting it usually roughs up the surface enough that it doesn’t require sanding. However, if you buy older cedar or you’re repurposing it from another application, it’s a good idea to sand it. This helps the stain settle into the grain, and results in a more uniform appearance.

Choosing siding combinations that look good together comes down to finding textures and colors that complement each other. You want some contrast so that your home doesn’t look boring or too uniform, but you also want the materials to play off of each other so that each makes the other stand out. It’s a good idea to hire a siding professional to create 3D renderings for you so you can get a sense of what your home will look and feel like before you get started.

You can put new siding over clapboards, but it’s not recommended. Some sidings, like vinyl siding, can go over clapboards with sheathing like a foam layer in between. However, it’s best to remove clapboard siding if you plan on replacing it with new siding. Burying wood clapboards underneath new siding can create risks of rot and mold, or hidden insect damage. It can also create warping issues over time. Removing clapboards allows you to properly install a new sheathing, as well as clean up the exterior wall and look for any signs of damage.

You should plan to stain or refinish your home's cedar siding every three to seven years to maintain its appearance and provide maximum protection, though some estimates suggest a range of four to six years. The exact frequency depends on several factors, including your local climate, exposure to severe weather like direct sunlight, rain, and wind, the quality of the initial stain application, the type of stain used, and the overall condition and quality of the wood.

For homes in harsh climates with high humidity and significant sun exposure, you should plan on staining as often as every three years, while those in milder locations may only need to do so every seven years. For the longest-lasting protection in particularly harsh climates, consider using an opaque stain.

If you are looking for a lower-maintenance alternative, you might consider vinyl or aluminum siding. While the initial installation cost can be higher, they do not require as much upkeep and can offer more value over time, especially in areas with excessive rainfall or high humidity.