HardiePanel® vertical siding provides value and long-lasting performance. As with all of our exterior products, HardiePanel® is engineered for climate and will stand up against your climate''s harshest conditions. When combined with HardieTrim® boards, HardiePanel vertical siding gives you a traditional board-and-batten look. HardiePanel vertical siding comes with our strongest warranty ever. It is protected by a 30-year nonprorated, transferable, limited warranty.