Therma-Tru Classic-Craft Oak Collection fiberglass door. Enjoy the classic good looks of Traditional design. The Oak Collection brings renewed beauty and easy-to-live-with comfort to Traditional home styling. It embodies the distinct pattern and classic warmth of real Oak wood grain with all the benefits of fiberglass, thanks to AccuGrain technology. And, with Classic-Craft, you get more. Every detail — from wider glass to heavier construction — creates a more premium entryway.