fiberglass vs polycarbonate roof panels 15

https://fiberglassshinglesdaily.swiftnestly.com/posts/why-fiberglass-shingles-are-a-smart-choice-for-patio-covers-and-carports

Fiberglass panels let in soft, diffused light but can yellow over time, while polycarbonate is clearer and more impact-resistant, though it may scratch easier. Your choice really depends on whether you want durability against hail or a warmer, filtered daylight for a greenhouse or patio cover.