LP SmartSide Trim is an engineered-wood material that is available in widths from 1.5 to 11.2 inches and in lengths up to 16 feet. It’s backed by an industry-leading 5/50-year limited warranty that LP says covers replacement cost of labor and materials for first five years, and cost of materials thereafter. Like the siding, the trim is reportedly protected against weather impacts, freeze/thaw cycles, high humidity, and fungal decay by LP’s SmartGuard manufacturing process. Pricing varies by region. lpcorp.com