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 is lightweight, easy to install, durable, and long-lasting, and as long as a professional installs it, it should remain waterproof for several decades to keep your home protected. It can hold out against extreme weather conditions, and it doesn’t make a nice home for any sort of insects. Plus, vinyl is affordable and comes in a variety of looks and colors. When it comes to board and batten siding, vinyl is one of the most affordable material options.

Whether or not your homeowners insurance covers EIFS stucco siding depends on the insurance company and the specifics of the policy. Some insurance companies will not cover EIFS due to its susceptibility to moisture damage, and some companies will only cover EIFS manufactured and installed after a certain date, since newer systems mitigate potential damage concerns better than older ones.

The necessary frequency of mold cleaning in your home will depend on several factors, including the climate, the presence of moisture sources, and the type of siding. It's generally recommended to inspect your siding regularly and clean any mold growth as soon as it appears to prevent it from spreading or causing damage. If you’re not sure how often you should clean mold off siding, you can always contact a siding contractor near you to consult on what maintenance schedule will work best for your home.