Sand the siding lightly with 80-grit sandpaper or a sanding block to remove loose bits of old paint. Scraping isn’t recommended as it can loosen chunks of unstable siding.

Can Masonite siding be sanded?

Sand the siding lightly with 80-grit sandpaper or a sanding block to remove loose bits of old paint. Scraping isn’t recommended as it can loosen chunks of unstable siding.

Is Masonite considered wood?

While masonite isn’t a solid wood product, it is still made of wood. And therefore, it’s also susceptible to insect activity. As the wood begins to soften, it can become very attractive to some types of insects including termites and carpenter ants.