Strength, durability, style and innovation are standard features of all Milgard windows. The new Essence windows by Milgard offer a solid wood and natural interior but a strong fiberglass exterior, protecting your investment from rotting or warping over time. In addition, Essence Series windows are low-maintenance and user-friendly, even receiving an “Ease of Use” commendation from the Arthritis Foundation in recognition of its locking design. These really are the perfect San Diego fiberglass replacement windows!