Laminate sails are made by bonding layers of materials together, typically including a reinforcing fiber such as polyester, aramid, or carbon, sandwiched between layers of Mylar or other films. These sails are designed to offer a higher performance by maintaining shape better under load and reducing stretch over time. The main types of laminate sails include:
Polyester Laminates:
These laminates are constructed using polyester fibers, which provide a balance of durability, cost-effectiveness, and good shape retention.
Aramid Laminates (e.g., Kevlar):
Known for their high strength-to-weight ratio, aramid laminates offer excellent performance but are less resistant to UV damage and can be more expensive.
Carbon Fiber Laminates:
Carbon laminates offer the best strength and stiffness characteristics, making them ideal for high-performance racing. However, they are the most expensive and least resistant to flex fatigue.
Dyneema/Spectra Laminates:
These laminates are extremely strong and resistant to UV and abrasion, but they can suffer from stretch over time, making them less ideal for maintaining sail shape.