What is vinyl siding made of? Vinyl siding is typically made from rigid polyvinyl chloride (PVC). This same material is commonly used to make doors, windows, and pipe. By ProMatcher Staff Updated: 08/11/2015 Get Free Quotes Today! Get Free Quotes Today! Find Local Pros Free Vinyl Siding Installation Cost Estimates Related Questions How Much Does It Cost to Reside a House? Should vinyl siding be caulked around windows?Top answer: Yes, always Does vinyl siding fade over time?Top answer: Yes, always Does Vinyl Siding Need to Be Repainted?Top answer: No, never Can vinyl siding be installed over brick?Top answer: Yes, always