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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.

Vinyl can withstand many different cleaning methods, but there are two things you need to be wary of. First, particularly harsh chemicals will damage your vinyl siding and reduce its lifespan. Second, be careful about pressure washing your vinyl siding. Vinyl can resist powerful washing damage more than softer siding like wood, but high levels of pressure can still crack it. Use the lowest level of pressure for power washing vinyl, or hire a siding professional to do it.

Clapboard siding is traditionally made of wood, and is one of the most common types of wood siding in North America. When people talk about wood siding, they are usually talking about clapboard siding. However, not all wood siding is in the clapboard style: It can be tongue-and-groove, shake, and other designs. Also, clapboard siding can sometimes be made of different materials, like vinyl or fiber cement, so the terms are not interchangeable.

You should install your cedar shake siding with the rough side exposed. The smooth side is less resistant to weathering over the years, and the rough side gives your home a more rugged aesthetic. The rough side also takes to paint better and ensures any paint job will last longer before needing to be redone.