With three fundamentals connected in perfect harmony, Sovereign Select Trilogy delivers the top tier of “must haves” in home exteriors: beauty, durability and energy efficiency. Meticulously designed for impeccable performance, this premier laminated siding system blends an ultra-premium vinyl panel with energy-engineered insulation – creating a building envelope of superb quality. It’s luxurious, protective and lasting. It’s a smart choice for you, a healthy choice for the environment.