Vinyl siding is virtually maintenance-free. The fade-resistant technology in high-quality vinyl siding will remove the need to ever paint your siding. In regards to cleaning, you may want to rinse your siding once a year with a garden hose or an all-natural cleaning solution of 70% water and 30% vinegar. You can also use a soft rag or a long-handled gentle bristle brush if needed.
Click here for additional tips to clean vinyl siding. On the flip side, wood requires repainting and caulking, washing and is prone to moisture degradation and fiber cement (Hardie siding) requires periodic caulking, repainting, it chips and scratches, and is also prone to moisture degradation.