Scandinavian design focuses on simplicity, functionality, and natural beauty. Under-deck treatments inspired by this style often feature light wood tones and clean, minimalist lines. The light colors and simple designs keep the space open and airy, ideal for creating a relaxing, Scandinavian-inspired retreat. This approach works particularly well in cooler climates and blends beautifully with other Scandinavian outdoor design elements like cozy seating and neutral décor.